Looking for a large roof cargo box that can handle all your gear for family trips, outdoor adventures, or moving needs? The Thule Pulse 2 M stands out as the overall best for its balance of capacity, aerodynamics, and ease of installation. The Yakima SkyBox NX 18 offers a slightly larger volume and superior security features, making it ideal for those with serious storage demands. However, larger capacity models often come with tradeoffs in weight, price, and aerodynamics, which can impact fuel efficiency and handling. Keep reading for a detailed comparison to help you find the best fit for your vehicle and lifestyle.
Get business pricing on garage and car supplies
- Business-only prices and quantity discounts
- Tax-exempt purchasing
- Multiple users, one account, clear invoices
Complete the kit
Key Takeaways
- The top picks excel in capacity, with models like the Yakima SkyBox NX 18 offering up to 18 cubic feet of storage.
- Ease of installation and access varies; dual-side opening models greatly improve usability for larger boxes.
- Durability and security features such as locks and weatherproofing are consistent differentiators at this size range.
- Price differences reflect build quality, capacity, and brand reputation, with premium options offering better longevity.
- Size and weight are critical; larger boxes may fit most vehicles but can add significant wind resistance and fuel costs.
| Thule Pulse 2 M Roof-Mounted Cargo Box, 14 Cubic Ft |  | Best Overall Large Roof Cargo Box | Capacity: 14 Cubic Feet | Load Capacity: 75 kg | Material: ASA-ABS plastic | VIEW ON AMAZON | See Our Full Breakdown |
| Auto Dynasty Hard Shell Roof Top Mount Cargo Carrier Travel Luggage Box |  | Best Value for Budget-Conscious Buyers | Dimensions: 53″ L x 34″ W x 15″ H | Capacity: 11 Cubic Feet | Weight Limit: 110 lbs | VIEW ON AMAZON | See Our Full Breakdown |
| Garvee Rooftop Cargo Box Carrier, Dual-Side Opening Luggage Storage |  | Best for Universal Compatibility and Larger Capacity | Material: ABS plastic | Capacity: 14 cubic feet (390L) | Dimensions: 54.3″L x 31.5″W x 13.4″H / 62.2″L | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Motion 3 Rooftop Box |  | Best for Aerodynamics and Fuel Efficiency | Design: Wing-shaped profile with forward-leaning nose | Mounting System: PowerClick quick-mount with torque indicator | Locking System: SlideLock with separate lock and open functions | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Pulse 2 L Roof Mounted Box, 16 Cubic Ft, Dual-Side Opening |  | Best for Maximum Capacity and Practical Access | Capacity: 16 cubic feet | Load Capacity: 75 kg | Material: ASA-ABS plastic | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Motion 3 Rooftop Box |  | Best Overall for Aerodynamics and Convenience | Design: Wing-shaped profile with forward-leaning nose | Mounting System: PowerClick quick-mount with torque indicator | Locking System: SlideLock with separate locking and opening functions | VIEW ON AMAZON | See Our Full Breakdown |
| Yakima SkyBox NX 18 XLG Rooftop Cargo Carrier, 18 Cu Ft, SKS Lock, Black |  | Best for Spacious, Dual-Sided Access | Capacity: 18 Cu Ft | Fits Snowboards/Ski Length: up to 195cm | Locking System: SKS Lock | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Force 3 L Sport US |  | Best for Active Lifestyles with Secure Access | Capacity: 3 liters | Mounting System: Quick, secure, and intuitive | Locking System: SlideLock with separate locking and opening | VIEW ON AMAZON | See Our Full Breakdown |
| Hard Shell Roof Cargo Box, 26 Cu Ft |  | Best Large Capacity for Heavy-Duty Storage | Capacity: 26 Cu Ft | Load Capacity: 150 lbs | Material: ABS+PC composite | VIEW ON AMAZON | See Our Full Breakdown |
| GarbeeTech Rooftop Cargo Box Carrier |  | Best Budget-Friendly Dual-Side Carrier | Material: ABS | Capacity: 12 cubic feet | Weight Capacity: 165 lbs | VIEW ON AMAZON | See Our Full Breakdown |
| DNA Motoring Rooftop Cargo Box Carrier, 11 Cubic Feet, 53″ L x 34″ W x 15″ H, Glossy Black |  | Best Budget-Friendly Large Cargo Box | Capacity: 11 Cubic Feet | Max Capacity: 110 lbs | Dimensions: 53″ L x 34″ W x 15″ H | VIEW ON AMAZON | See Our Full Breakdown |
| Hard Shell Roof Top Cargo Carrier Waterproof Travel Luggage Box |  | Best Weather-Resistant Large Cargo Box | Material: ABS plastic | Capacity: 11 cubic feet | Dimensions: 53 x 34 x 15 inches | VIEW ON AMAZON | See Our Full Breakdown |
| SportRack Vista XL Rear Opening Cargo Box |  | Best for Maximum Capacity and Easy Access | Capacity: 18 cubic feet (510 L) | Material: UV-resistant ABS | Dimensions: 63 x 38 x 19 inches | VIEW ON AMAZON | See Our Full Breakdown |
| TUFFIOM 13.4 cu.ft. Rooftop Cargo Box with Keys, Waterproof Hard Shell Travel Roof Storage Carrier, 61″ L x 27.6″ W x 13.8″ H, Dual-Side Opening, for SUV, Car, Van, Black |  | Best for Secure, Weatherproof Travel Storage | Capacity: 13.4 cubic feet | Dimensions: 61″ L x 27.6″ W x 13.8″ H | Material: ABS | VIEW ON AMAZON | See Our Full Breakdown |
| Garvee Rooftop Cargo Box Carrier, Dual-Side Opening Hard-Shell Carriers |  | Best for Aerodynamic Efficiency and Versatile Compatibility | Material: ABS plastic | Capacity: 13.5 cubic feet | Dimensions: 67.7 x 31.5 x 13.8 inches | VIEW ON AMAZON | See Our Full Breakdown |
| roof cargo box large | Capacity | Material | Dimensions |
|---|---|---|---|
| Thule Pulse 2 M Roof-Mounted C | 14 Cubic Feet | ASA-ABS plastic | — |
| Auto Dynasty Hard Shell Roof T | 11 Cubic Feet | UV-protected, weather-resistant ABS | 53" L x 34" W x 15" H |
| Garvee Rooftop Cargo Box Carri | 14 cubic feet (390L) | ABS plastic | 54.3"L x 31.5"W x 13.4"H / 62.2"L |
| Thule Motion 3 Rooftop Box | — | — | — |
| Thule Pulse 2 L Roof Mounted B | 16 cubic feet | ASA-ABS plastic | — |
| Thule Motion 3 Rooftop Box | — | — | — |
| Yakima SkyBox NX 18 XLG Roofto | 18 Cu Ft | — | — |
| Thule Force 3 L Sport US | 3 liters | — | — |
| Hard Shell Roof Cargo Box | 26 Cu Ft | ABS+PC composite | — |
| GarbeeTech Rooftop Cargo Box C | 12 cubic feet | ABS | 54.3"L x 31.5"W x 13.4"H |
| DNA Motoring Rooftop Cargo Box | 11 Cubic Feet | Impact-resistant ABS | 53" L x 34" W x 15" H |
| Hard Shell Roof Top Cargo Carr | 11 cubic feet | ABS plastic | 53 x 34 x 15 inches |
| SportRack Vista XL Rear Openin | 18 cubic feet (510 L) | UV-resistant ABS | 63 x 38 x 19 inches |
| TUFFIOM 13.4 cu.ft. Rooftop Ca | 13.4 cubic feet | ABS | 61" L x 27.6" W x 13.8" H |
| Garvee Rooftop Cargo Box Carri | 13.5 cubic feet | ABS plastic | 67.7 x 31.5 x 13.8 inches |
More Details on Our Top Picks
Thule Pulse 2 M Roof-Mounted Cargo Box, 14 Cubic Ft
The Thule Pulse 2 M stands out for its balanced combination of large capacity, ease of installation, and weather resistance, making it a versatile choice for most users. It offers a generous 14 cubic feet of space, which surpasses many competitors like the Auto Dynasty, yet its tool-free setup with a torque indicator simplifies mounting. Compared to the Garvee, it may lack detailed dimensions, potentially limiting compatibility with smaller or uniquely shaped vehicles. Its durable ASA-ABS plastic ensures resilience against weather, but the absence of specific interior features or capacity details could be a downside for those needing precise fitment. This model is ideal for families or outdoor enthusiasts who prioritize straightforward installation and weatherproofing without the need for extra features.
Pros:- Large 14 cubic feet cargo capacity for versatile gear storage
- Easy tool-free installation with torque indicator improves setup speed
- Weather-resistant ASA-ABS plastic provides durability in various conditions
Cons:- Lack of specific dimensions makes precise vehicle fitment uncertain
- Potentially limited compatibility with certain vehicle sizes or shapes
Best for: Families needing a reliable, weather-resistant cargo box with ample capacity for weekend trips
Not ideal for: Owners of compact cars or those needing detailed dimension info for tight fitment
- Capacity:14 Cubic Feet
- Load Capacity:75 kg
- Material:ASA-ABS plastic
- Access:Dual-side opening
Our verdict“This cargo box suits users seeking a large, durable, and easy-to-mount solution for general outdoor use.”
Auto Dynasty Hard Shell Roof Top Mount Cargo Carrier Travel Luggage Box
Compared with higher-priced options like the Thule Pulse 2 M, the Auto Dynasty offers a solid 11 cubic feet of storage at a more accessible price point. Its UV-protected, weather-resistant ABS shell makes it suitable for outdoor adventures, and its simple mounting system is compatible with cross bars up to 13 inches wide. However, its slightly smaller capacity and the need to verify cross bar dimensions before purchase can be inconvenient for those with larger or non-standard racks. While it doesn’t feature the dual-sided opening of some premium models, it still provides secure locking and impact protection. This pick makes the most sense for budget-minded families or casual users who want reliable storage without extra bells and whistles.
Pros:- Affordable price point providing good capacity value
- Weather-resistant and impact-protected for outdoor durability
- Secure lock system enhances security of belongings
Cons:- Limited to cross bars up to 13 inches wide, restricting compatibility
- Requires checking dimensions prior to purchase to avoid fit issues
Best for: Budget-conscious families or casual travelers needing a straightforward, weatherproof cargo solution
Not ideal for: Those with very large gear or vehicle cross bars wider than 13 inches
- Dimensions:53″ L x 34″ W x 15″ H
- Capacity:11 Cubic Feet
- Weight Limit:110 lbs
- Material:UV-protected, weather-resistant ABS
Our verdict“This cargo box is a practical, budget-friendly choice for moderate outdoor trips on standard-sized roof racks.”
Garvee Rooftop Cargo Box Carrier, Dual-Side Opening Luggage Storage
The Garvee Rooftop Cargo Box offers a substantial 14 cubic feet of storage, matching the Thule Pulse 2 M in size but standing out for its dual-sided opening which enhances access convenience on busy trips. Its waterproof, UV-resistant shell and universal fit make it suitable for most roof racks, but verifying compatibility with your specific roof rack is advised. While it boasts a higher maximum weight capacity of 165 lbs, it may require additional verification for secure mounting on certain vehicle types. The included keys and straps add value, but the absence of insulation or temperature controls limits its use for temperature-sensitive gear. This model is excellent for road trips where quick, easy access and compatibility matter most.
Pros:- Large 14 cubic feet capacity for bulky gear
- Dual-sided opening for quick and easy access
- Waterproof and UV-resistant construction enhances durability
Cons:- Requires verification for roof rack compatibility
- Limited suitability for vehicles without roof racks
Best for: Road trippers needing large capacity with dual access and universal rack compatibility
Not ideal for: Owners of vehicles without roof racks or those needing temperature-sensitive storage
- Material:ABS plastic
- Capacity:14 cubic feet (390L)
- Dimensions:54.3″L x 31.5″W x 13.4″H / 62.2″L
- Max Capacity:165 lbs
Our verdict“This cargo box is ideal for travelers seeking high capacity and easy dual-side access on most roof racks.”
Thule Motion 3 Rooftop Box
The Thule Motion 3 emphasizes aerodynamic design, with a forward-leaning nose that reduces air drag, making it a smart choice for drivers concerned about fuel economy. Its easy one-handed opening and secure SlideLock system ensure quick access and peace of mind. While detailed capacity figures are not specified, it’s designed to fit a range of gear and is compatible with various accessories like interior lighting and protective liners, adding convenience for frequent travelers. The premium features come with a higher price tag, and the lack of precise interior size details may be a drawback for those with specific gear dimensions. This model makes sense for users who prioritize vehicle efficiency and sleek styling over maximum capacity or feature set.
Pros:- Aerodynamic design reduces drag and improves fuel efficiency
- One-handed opening with secure SlideLock for convenience
- Compatible with accessories like interior lighting and liners
Cons:- Lack of specific capacity or interior size details
- Higher price due to premium features
Best for: Drivers who want a large, aerodynamic cargo box that enhances fuel economy and has premium features
Not ideal for: Those needing detailed interior capacity or on a tight budget
- Design:Wing-shaped profile with forward-leaning nose
- Mounting System:PowerClick quick-mount with torque indicator
- Locking System:SlideLock with separate lock and open functions
- Accessories:Interior box light, protective liner, storage cover
Our verdict“This cargo box suits drivers seeking a stylish, aerodynamic solution that minimizes fuel consumption on long trips.”
Thule Pulse 2 L Roof Mounted Box, 16 Cubic Ft, Dual-Side Opening
The Thule Pulse 2 L is distinguished by its generous 16 cubic feet capacity, making it the largest in this selection and ideal for bulky gear such as skis, snowboards, or luggage. Its dual-side opening facilitates quick access from either side of the vehicle, a feature that surpasses many competitors like the Auto Dynasty. It is constructed from durable ASA-ABS plastic and features a tool-free attachment system with a torque indicator, simplifying installation. However, its size can be a hindrance for smaller vehicles, and the limited color options might be a concern for style-conscious buyers. This model is best suited for users needing maximum capacity and easy access on larger vehicles or for long trips with lots of gear.
Pros:- Largest capacity among these options at 16 cubic feet
- Dual-side opening allows for quick, convenient access
- Tool-free, torque-indicated mounting simplifies setup
Cons:- Bulky for smaller or compact vehicles
- Limited color options reduce aesthetic choices
Best for: Large vehicle owners or outdoor enthusiasts needing maximum cargo space and dual access
Not ideal for: Compact car owners or those seeking a lightweight, less bulky option
- Capacity:16 cubic feet
- Load Capacity:75 kg
- Material:ASA-ABS plastic
- Opening:Dual-side
Our verdict“This cargo box is best for those requiring maximum capacity paired with convenient dual access on larger vehicles.”
Thule Motion 3 Rooftop Box
The Thule Motion 3 Rooftop Box stands out for its aerodynamic wing-shaped design, which helps reduce drag and improve fuel efficiency—an important factor for long trips. Its PowerClick mounting system ensures quick, secure installation, surpassing the more manual mounting of the Yakima SkyBox NX 18 XLG. The inclusion of interior lighting and protective liners adds a layer of convenience that others, like the hard-shell options, lack. However, its premium price and limited capacity details make it less accessible for budget-conscious buyers. Compared with the Yakima, it offers a more refined look and added features but often costs more and can require extra tools for installation. This box is best suited for those prioritizing ease of use, fuel savings, and extra accessories, despite a higher price point.
Pros:- Aerodynamic design reduces wind drag and improves fuel economy
- Secure, quick-mount PowerClick system simplifies installation
- Includes interior lighting and protective liner for added convenience
Cons:- Higher cost compared to basic models
- Limited details on capacity and dimensions, which may affect planning
Best for: Advanced road trippers who want aerodynamic efficiency and premium features.
Not ideal for: Budget buyers or those needing a large, easily customizable cargo space without extra cost.
- Design:Wing-shaped profile with forward-leaning nose
- Mounting System:PowerClick quick-mount with torque indicator
- Locking System:SlideLock with separate locking and opening functions
- Accessories:Interior box light, protective liner, storage cover
Our verdict“This roof box excels for users seeking a blend of sleek design, ease of use, and extra features, accepting a higher investment.”
Yakima SkyBox NX 18 XLG Rooftop Cargo Carrier, 18 Cu Ft, SKS Lock, Black
The Yakima SkyBox NX 18 XLG offers a generous 18 cubic feet of storage, making it ideal for families or travelers with lots of gear. Its dual-sided access simplifies loading and unloading, especially when parking isn’t convenient for side access, outperforming many single-opening boxes. The durable nano-texture finish provides a sleek look and added scratch resistance. Despite these benefits, the box’s weight can make handling alone tricky, and its limited color options might not suit everyone’s aesthetic preferences. Compared to the 26 Cu Ft hard-shell model, it offers easier access but less capacity. It’s best for those who prioritize generous, secure space and easy access over ultra-lightweight or multi-color options.
Pros:- Large 18 Cu Ft capacity for substantial gear storage
- Dual-sided access simplifies loading and unloading
- Secure lock with full metal handle and durable finish
Cons:- Heavy and potentially difficult to handle alone
- Limited color choices could be a styling consideration
Best for: Families or groups needing large, accessible cargo space for road trips.
Not ideal for: Solo travelers or users seeking lightweight, minimal impact on fuel efficiency.
- Capacity:18 Cu Ft
- Fits Snowboards/Ski Length:up to 195cm
- Locking System:SKS Lock
- Color:Black
Our verdict“This carrier suits those requiring ample, easily accessible storage with a focus on security and durability.”
Thule Force 3 L Sport US
The Thule Force 3 L Sport US emphasizes durability, making it a reliable choice for active users needing quick, secure access from both sides. Its testing for safety and reliability surpasses many basic cargo boxes, adding peace of mind on rugged trips. The easy dual-side access enhances convenience, especially for frequent loading or tight parking. However, its limited capacity restricts it to smaller loads, making it less suitable for large families or extensive gear. Compared to larger models like the 26 Cu Ft hard shell, it excels in security and ruggedness but sacrifices volume. Best for adventure travelers who want a tough, secure, and easy-to-access cargo solution without excessive size.
Pros:- Durable build suited for active lifestyles
- Easy access from both sides of the vehicle
- Secure, intuitive mounting with safety locks
Cons:- Limited capacity restricts cargo size
- Not designed for large or bulky loads
Best for: Active adventurers needing a durable, easy-to-access cargo box for gear and smaller loads.
Not ideal for: Large families or those carrying bulky, high-volume luggage regularly.
- Capacity:3 liters
- Mounting System:Quick, secure, and intuitive
- Locking System:SlideLock with separate locking and opening
- Safety Features:Automatically locks and indicates when securely closed
Our verdict“Ideal for outdoor enthusiasts who prioritize durability and quick access over maximum volume.”
Hard Shell Roof Cargo Box, 26 Cu Ft
The Hard Shell Roof Cargo Box delivers a massive 26 cubic feet of storage, making it a clear choice for those with extensive gear needs. Its impact-resistant ABS+PC construction offers durability and weather resistance, surpassing lighter, less rugged models. The dual-side opening greatly eases access, especially when parking space is tight, similar to the Yakima but with a significantly larger volume. Its aerodynamic shape helps reduce wind noise, a common issue with bulky carriers. The main tradeoff involves handling: its weight and size can be challenging for solo installation, and specific dimensions are not provided, which may complicate planning. For users needing maximum capacity and durability, this box provides reliable, voluminous storage, though at the expense of maneuverability.
Pros:- Enormous 26 Cu Ft capacity for extensive gear
- Impact-resistant, weatherproof ABS+PC construction
- Dual-side opening for convenient access
- Aerodynamic design reduces wind noise
Cons:- Heavy and potentially difficult to handle alone
- No detailed dimensions may complicate fitting
Best for: Heavy-duty users requiring maximum storage capacity for gear, luggage, and equipment.
Not ideal for: Casual travelers or those with limited roof rack space or handling assistance.
- Capacity:26 Cu Ft
- Load Capacity:150 lbs
- Material:ABS+PC composite
- Opening:Dual-side
- Installation:Tool-free
- Color:Black
Our verdict“Best suited for users prioritizing maximum capacity and durability over ease of handling or installation simplicity.”
GarbeeTech Rooftop Cargo Box Carrier
The GarbeeTech Rooftop Cargo Box Carrier offers a practical solution with 12 cubic feet of weather-resistant storage, making it an attractive option for budget-conscious buyers. Its dual-side opening provides easy access, similar to premium models, but with a more modest size suitable for smaller loads. Compatibility with most roof racks ensures broad usability without extra modifications. While it’s less spacious than the 26 Cu Ft hard shell, its waterproof construction and sturdy ABS build make it resilient for varied weather conditions. The main tradeoff involves its limited capacity, which restricts large or bulky loads, and the one-year warranty might be less reassuring for long-term use compared to more established brands. This pick makes the most sense for those who want basic, reliable capacity at an affordable price.
Pros:- Durable, waterproof ABS construction
- Dual-sided opening for easy access
- Universal fit with most roof racks
Cons:- Limited to smaller loads
- Shorter warranty period of one year
Best for: Budget-conscious travelers seeking reliable, weatherproof storage for smaller loads.
Not ideal for: Heavy users or those with extensive gear who need maximum capacity or longer warranty coverage.
- Material:ABS
- Capacity:12 cubic feet
- Weight Capacity:165 lbs
- Dimensions:54.3″L x 31.5″W x 13.4″H
- Color:Black
- Warranty:1 year
Our verdict“This cargo box is well suited for budget buyers needing reliable weatherproof storage for moderate loads and easy access.”
DNA Motoring Rooftop Cargo Box Carrier, 11 Cubic Feet, 53″ L x 34″ W x 15″ H, Glossy Black
This cargo carrier excels in offering a generous 11 cubic feet of storage within a durable, impact-resistant ABS shell. Compared with larger options like the SportRack Vista XL, it provides a more compact footprint suitable for smaller roof racks, but it sacrifices some capacity and ease of access. Its lockable lid enhances security for valuables, making it a smart choice for budget-conscious travelers who prioritize durability and security. However, it requires cross bars for installation and lacks weatherproof features beyond impact resistance, so it’s less suited for harsh climates or vehicles without cross bars.
Pros:- Large 11 cubic feet storage capacity for its size
- Impact-resistant ABS construction enhances durability
- Secure lockable lid provides valuables protection
- Easy to install on vehicles with cross bars
Cons:- Requires cross bars for mounting, adding to setup complexity
- No explicit waterproofing, limiting outdoor use in rain or snow
- Limited color options, mostly glossy black
Best for: Small families or individuals seeking a large, secure cargo solution on a budget, with cross bars already installed or easily added.
Not ideal for: Owners of vehicles without cross bars or those needing a fully waterproof, weatherproof carrier, since it lacks specific waterproof features.
- Capacity:11 Cubic Feet
- Max Capacity:110 lbs
- Dimensions:53″ L x 34″ W x 15″ H
- Material:Impact-resistant ABS
- Finish:Glossy Black
Our verdict“This model makes sense for budget-conscious users with existing cross bars who want a durable, secure cargo solution without the need for weatherproofing.”
Hard Shell Roof Top Cargo Carrier Waterproof Travel Luggage Box
This cargo box offers a solid 11 cubic feet of weatherproof storage, making it comparable to the DNA Motoring carrier but with added protection against the elements. Its durable ABS plastic construction and universal crossbar fit make it suitable for various vehicles, yet it shares the same limitation: compatibility depends on having cross bars, and it may be challenging to open in cold weather due to material stiffness. While it lacks the security features of some premium models, its waterproof design makes it a better choice for outdoor adventures in rain or snow.
Pros:- Durable, weather-resistant ABS construction
- Universal mounting system for wide vehicle compatibility
- Large capacity for extra travel storage
- Supports up to 110 lbs
Cons:- Requires cross bars, limiting versatility
- No dedicated lock system for valuables
- Challenging to open in cold weather
Best for: Outdoor enthusiasts who need an affordable, weatherproof cargo solution for vehicles with cross bars, especially in wetter climates.
Not ideal for: Drivers without cross bars or those seeking a lockable, security-focused carrier, as it doesn’t specify a lock system or security features.
- Material:ABS plastic
- Capacity:11 cubic feet
- Dimensions:53 x 34 x 15 inches
- Weight Capacity:110 lbs
- Color:Black
Our verdict“Ideal for outdoor users prioritizing weatherproofing and durability over security and ease of access in cold conditions.”
SportRack Vista XL Rear Opening Cargo Box
The SportRack Vista XL stands out with a substantial 18 cubic feet of storage, surpassing the others in this lineup. Its rear-opening design and UV-resistant ABS make loading and longevity easier and more reliable. Compared to the smaller, top-opening options like the DNA Motoring, this cargo box is better suited for large families or trips with bulky gear. However, its larger size can be unwieldy for single-person installation, and its compatibility depends on roof rack dimensions, which might restrict some vehicles. Its high capacity is a clear advantage, but its weight and size are tradeoffs in handling and vehicle fit.
Pros:- Largest capacity at 18 cubic feet
- UV-resistant ABS for durability
- Rear opening for easy loading and unloading
- Tool-free mounting hardware
Cons:- Heavy and potentially hard to handle alone
- Size may not fit all roof rack systems
- Limited color options
Best for: Large families or groups needing maximum cargo space and easy rear access, with sufficient roof rack dimensions.
Not ideal for: Owners of smaller or compact vehicles with limited roof rack spacing or those seeking a lightweight carrier, as it can be heavy and bulky to handle alone.
- Capacity:18 cubic feet (510 L)
- Material:UV-resistant ABS
- Dimensions:63 x 38 x 19 inches
- Max Weight Capacity:100 pounds (45 kg)
- Includes:Key and lock, mounting hardware
Our verdict“This is best suited for users prioritizing maximum storage and easy rear access, especially for large or multiple travelers.”
TUFFIOM 13.4 cu.ft. Rooftop Cargo Box with Keys, Waterproof Hard Shell Travel Roof Storage Carrier, 61″ L x 27.6″ W x 13.8″ H, Dual-Side Opening, for SUV, Car, Van, Black
The TUFFIOM cargo box offers a balanced 13.4 cubic feet of waterproof storage with dual-side access, making it a versatile choice for travelers. Its streamlined design reduces drag and noise, unlike bulkier models like the SportRack Vista XL. The lockable system with keys provides an extra layer of security for valuables, and its durable ABS material offers weather protection. The main tradeoff involves specific crossbar width requirements, which may limit compatibility, and the peeling protective film must be removed before use. Still, its combination of security and weather resistance makes it an appealing option for road trips.
Pros:- Easy dual-side access for loading and unloading
- Secure locking system with keys
- Weatherproof ABS construction
- Streamlined design reduces noise and drag
Cons:- Requires specific crossbar width and spacing
- Peeling protective film needs removal before use
- Limited capacity compared to larger boxes like Vista XL
Best for: Travelers who want a secure, waterproof cargo box with easy dual-side access and a streamlined shape for reduced wind noise.
Not ideal for: Users with non-standard crossbar widths or those who prefer a larger capacity, as it supports up to 150 lbs but is slightly smaller overall than some competitors.
- Capacity:13.4 cubic feet
- Dimensions:61″ L x 27.6″ W x 13.8″ H
- Material:ABS
- Max Load Capacity:150 lbs
- Warranty:3 years
Our verdict“Perfect for road travelers seeking weatherproof security and easy access, especially on vehicles with compatible crossbars.”
Garvee Rooftop Cargo Box Carrier, Dual-Side Opening Hard-Shell Carriers
The Garvee cargo box provides 13.5 cubic feet of storage with a sleek, aerodynamic shape designed to reduce fuel consumption and noise during travel. Its dual-side opening makes loading straightforward, and it supports up to 135 pounds, fitting all roof racks with minimal fuss. While its moderate rating and limited warranty might raise questions about longevity, it offers a compelling balance of capacity, security (with included keys), and aerodynamic performance. Compared with bulkier options like the Vista XL or the waterproof TUFFIOM, it appeals to drivers looking for efficiency and ease of use in a secure, large-capacity package.
Pros:- Large 13.5 cubic feet capacity
- Aerodynamic shape reduces fuel consumption
- Dual-side opening for easy access
- Includes security keys
Cons:- Limited warranty period of 1 year
- Requires roof rack compatibility check
Best for: Road trip enthusiasts who prioritize aerodynamic efficiency, ease of access, and compatibility with a wide range of vehicles.
Not ideal for: Heavy users requiring maximum capacity or those who want a long warranty, as its moderate rating and shorter warranty may be a concern.
- Material:ABS plastic
- Capacity:13.5 cubic feet
- Dimensions:67.7 x 31.5 x 13.8 inches
- Max Load Capacity:135 pounds
- Warranty:1 year
Our verdict“This cargo box suits drivers seeking efficient, secure, and easy-to-access storage with versatile roof rack compatibility.”
How We Picked
These products were selected based on capacity, build quality, ease of installation, security features, and user convenience. Preference was given to models that balance large storage volume with manageable weight and aerodynamic design. We also considered customer reviews and brand reputation to ensure reliability and durability. The ranking reflects a combination of capacity-to-price ratio, ease of use, and overall value for different types of users—from casual drivers to outdoor enthusiasts with heavy gear needs.Factors to Consider When Choosing Roof Cargo Box Large
Choosing a large roof cargo box involves understanding several key factors beyond just capacity. The right model depends on your vehicle compatibility, typical usage, and budget. Considering these factors carefully can prevent common mistakes like overpaying for features you don’t need or selecting a size that doesn’t fit your vehicle properly. Here are the main considerations when selecting a roof cargo box large enough for your needs.Capacity and Size
Capacity is the most obvious factor, but size also matters for compatibility with your vehicle’s roof and garage storage. Large cargo boxes typically range from 14 to 26 cubic feet, so assess how much gear you need to carry regularly. Overestimating capacity can lead to unnecessary weight and wind resistance, while underestimating can leave you short for big trips. Measure your roof rack and check vehicle clearance to ensure the box fits comfortably without affecting door operation or aerodynamics.
Ease of Installation and Access
Ease of mounting and removing the cargo box is crucial, especially if you’ll swap it between vehicles or need quick access. Dual-side opening models provide better access from either side of the vehicle, reducing awkward maneuvers and time. Some models feature tool-free installation, which can save effort but may compromise security if not properly locked. Consider how often you’ll need to access your gear and choose accordingly.
Durability and Weatherproofing
Large roof cargo boxes are exposed to the elements, so weather resistance is essential. Look for models with a hard shell, weather-sealed lids, and strong locks that keep out water, dust, and debris. Higher-end materials like reinforced ABS or fiberglass tend to last longer and resist cracking or warping. Remember, a durable box protects your gear and maintains its appearance over years of use.
Security Features
Security matters when leaving your gear unattended, especially on long trips or in urban areas. Many large cargo boxes come equipped with integrated locks, often keyed for added security. Some brands also offer SKS lock systems that work with vehicle keys, simplifying access. Prioritize models with tamper-proof locks if you plan to leave your gear outside for extended periods.
Weight and Aerodynamics
While larger capacity often means more weight, it’s important to consider how that weight affects your vehicle’s handling and fuel efficiency. Aero-designed models reduce wind resistance, saving fuel and reducing noise. Be aware that the heavier the box, the harder it becomes to install or remove, and it may impact your vehicle’s handling, especially at higher speeds. Balance capacity with ease of handling for the best overall experience.
Frequently Asked Questions
Will a large roof cargo box fit on my vehicle’s roof rack?
Most large roof cargo boxes are designed to fit standard roof racks, but compatibility depends on your vehicle’s roof width, rack type, and weight limits. Always measure your roof rack’s crossbars and check the cargo box’s dimensions before purchasing. Some models include adjustable mounting systems to accommodate different rack sizes, but verifying compatibility in advance can save installation headaches.
How much does a large roof cargo box typically weigh?
The weight of large cargo boxes varies widely, from around 40 pounds for lighter plastic models to over 70 pounds for heavier, durable materials. Keep in mind that your vehicle’s roof weight capacity, usually specified in the owner’s manual, limits how much weight you can safely carry. For easier handling, consider models with lighter materials or those that include assist handles or mounting aids.
Are large roof cargo boxes weatherproof enough for winter conditions?
Most high-quality large cargo boxes are built with weatherproof materials and sealed lids to withstand snow, rain, and road salt. However, always check the manufacturer’s specifications for waterproofing and UV resistance. Some models have drain channels or desiccant bags to manage moisture inside. Proper installation and securing the lid tightly are key to ensuring your gear stays dry in winter weather.
Is it worth paying more for a larger capacity cargo box?
Paying more often means better materials, enhanced security features, and improved aerodynamics, which can save fuel over time. Larger capacity boxes also tend to last longer and resist damage better. However, if your needs are modest, a mid-sized model might suffice, saving money without sacrificing functionality. Consider your typical gear volume and frequency of use when deciding whether the investment is justified.
How do I maintain and clean my large roof cargo box?
Regular cleaning with mild soap and water keeps your cargo box looking new and prevents buildup of dirt and grime. Avoid harsh chemicals that can damage the surface or seals. Check locks, hinges, and mounting hardware periodically for signs of wear or corrosion, and lubricate moving parts as recommended by the manufacturer. Proper maintenance extends the life of your box and ensures safe, reliable access for years to come.
Conclusion
For most drivers seeking a large roof cargo box in 2026, the Thule Pulse 2 M offers an excellent blend of capacity, ease of use, and durability, making it the best overall choice. Those with more extensive gear needs or security concerns should consider the Yakima SkyBox NX 18 for its larger volume and premium features. Budget-conscious consumers might find the Garvee Rooftop Cargo Box Carrier or similar models satisfactory for occasional use. First-time buyers or those with smaller vehicles should prioritize models that are easier to install and access. For high-mileage or winter-heavy use, investing in a weather-resistant, durable model pays off in the long run.
