If your truck bed is already full, a roof cargo box can add secure, weather-resistant storage without sacrificing cabin comfort. The best options make road trips, camping, and gear hauling far easier.
Below, we focus on the best car roof cargo boxes for trucks with practical capacity, mounting compatibility, and day-to-day usability in mind.
Best 10 Car Roof Cargo Boxes for Trucks Picks for 2026
Universal hard-shell storage
- 11 cubic feet of locked rooftop space
- Tool-free installation with included hardware
- ABS hard shell with waterproof protection
Best For: Truck owners with cross bars who need simple, weather-protected cargo space
Premium dual-side access
- 18 cubic feet of storage capacity
- Access cargo from both sides
- SlideLock and quick-mount system
Best For: Frequent travelers who want a premium rooftop cargo box with easy access
Budget locking cargo box
- 11 cubic feet and 110 lb capacity
- Tool-free install with included brackets
- UV-protected ABS with key lock security
Best For: Budget-conscious shoppers who need secure, weather-resistant storage
High-capacity rear-access box
SportRack Vista XL Rear Opening Box
- 18 cubic feet of cargo space
- Rear-opening design for safer access
- Tool-free install with broad rack fit
Best For: Families and road-trippers who need large, easy-access rooftop storage
Heavy-Duty 17 Cu Ft Hard Shell Cargo Carrier
- 17 cu ft of rooftop storage for bulky gear
- Waterproof hard ABS shell with UV-resistant coating
- Dual-sided access and tool-free install
Best For: Large-capacity rooftop storage for trucks, SUVs, and vans
Durable Dual-Side Roof Box
- 16 cu ft capacity for luggage and sports gear
- Dual-side opening with tool-free mounting
- ASA-ABS shell resists sun, scratches, and weather
Best For: Easy-to-use roof storage for commuting and weekend trips
Compact Waterproof Roof Carrier
- 12.4 cu ft size is easier to fit on many vehicles
- Waterproof hard shell with lockable security
- Dual-sided access and tool-free installation
Best For: Smaller rooftop storage needs with weather protection
Compact Aero Box
INNO Wedge 660 Black 11 cu ft Roof Box
- 11 cu. ft. hard-shell cargo space
- Dual-side opening with safety key lock
- Low-profile, quieter aerodynamic design
Best For: Drivers wanting a slim, secure rooftop box with easy side access
Budget Long Cargo Case
DNA MOTORING 11 cu ft Rooftop Box
- 11 cu. ft. of added storage space
- Lockable ABS hard-shell construction
- Fits vehicles with cross bars only
Best For: Shoppers needing a basic, durable rooftop cargo box with a lock
High-Capacity Dual Access Box
GarveeTech 12 cu ft Cargo Carrier
- 12 cu. ft. storage with 165 lb capacity
- Dual-side opening for easier loading
- Waterproof, UV-resistant ABS hard shell
Best For: Drivers who want larger rooftop storage with weather protection
Universal hard-shell storage – 11 Cu Ft Waterproof Storage
If you’re comparing car roof cargo boxes for trucks, this hard-shell option is a straightforward way to add weather-protected storage without giving up cabin space. It’s designed for vehicles with cross bars only, and the tool-free mounting setup keeps installation simple for quick trips or seasonal use.
Best For: Truck owners with cross bars who want a universal, lockable rooftop storage box for extra luggage space.
Pros:
- 11 cubic feet of storage with a 53 x 34 x 15 inch footprint
- 110 lb weight capacity for travel luggage and gear
- ABS hard shell construction with waterproof protection
- Includes key lock, brackets, and mounting hardware
Cons:
- Fits vehicles with cross bars only
- Universal fit means you still need to confirm rack compatibility
This is a practical pick if you want a simple, durable rooftop box with basic security and weather resistance. It focuses on utility over extras, which makes it a good match for road trips and everyday hauling.
Premium dual-side access – Thule Force 3 XL US Cargo Box
For buyers comparing car roof cargo boxes for trucks, the Thule Force 3 XL US stands out with its large 18 cubic foot capacity and easy dual-side access. It’s built for regular use, and the quick mounting system plus SlideLock design are aimed at making attachment and secure closure more intuitive.
Best For: Drivers who want a premium, high-capacity rooftop box with convenient access from both sides.
Pros:
- Large 18 cubic foot capacity for gear-heavy trips
- Access from both sides of the vehicle
- Quick, secure mounting with an attachment indicator
- SlideLock system separates locking and opening functions
Cons:
- Water resistant rather than fully waterproof
- Higher-end design may be more than casual users need
This is the most refined option in the group if you value convenience and a premium fit-and-finish. The combination of dual-side access and secure locking makes it a strong choice for frequent travelers.
Budget locking cargo box – 11 Cu Ft Universal Carrier
If you want car roof cargo boxes for trucks without overcomplicating the setup, this Auto Dynasty model offers a useful middle ground. It provides 11 cubic feet of storage, a 110 lb weight limit, and a tool-free mounting system, making it a practical choice for extra luggage on road trips.
Best For: Budget-minded drivers who want a secure, weather-resistant rooftop box with easy loading.
Pros:
- 11 cubic feet of cargo space with a 110 lb limit
- Tool-free mounting brackets included
- Key lock system helps keep valuables secure
- UV-protected, weather-resistant ABS construction
Cons:
- Fits cross bars up to 13 inches wide only
- Passenger-side opening may be less convenient in some parking situations
This box is a solid value if you need dependable rooftop storage and want to keep installation simple. It doesn’t add premium extras, but it covers the core needs of secure, weather-ready hauling.
High-capacity rear-access box – SportRack Vista XL Rear Opening Box
Among car roof cargo boxes for trucks, the SportRack Vista XL is built for shoppers who want maximum space and easy access away from traffic. Its 18 cubic foot capacity, rear-opening lid, and tool-free mounting hardware make it a practical long-trip storage solution.
Best For: Families and road-trippers who want a large rooftop box with rear access and broad rack compatibility.
Pros:
- Large 18 cubic foot internal capacity
- Rear opening keeps access away from traffic
- Tool-free mounting hardware for easier setup
- Fits many rack types, including most factory racks
Cons:
- 100 lb max weight capacity is lower than some alternatives
- Check crossbar spacing and fit guide before buying
This is a strong pick if loading convenience and storage volume matter more than compact size. The rear-opening design also makes it appealing for frequent roadside unloading and family travel.
Heavy-Duty 17 Cu Ft Hard Shell Cargo Carrier – Garvee 17 Cu Ft Roof Box
If you need car roof cargo boxes for trucks that prioritize size and protection, this Garvee hard shell carrier is built for hauling bulky gear on road trips, camping runs, and family vacations. The 17 cu ft interior, waterproof shell, and dual-sided access make it a practical option for truck owners who want extra storage without crowding the cabin.
Best For: Truck, SUV, and van drivers who want a large, lockable roof box for travel gear and outdoor equipment.
Pros:
- 17 cu ft capacity gives you plenty of room for luggage, sports gear, and camping items.
- Hard ABS shell with UV-resistant coating is designed to handle weather exposure.
- Dual-sided opening makes loading easier from either side of the vehicle.
- Tool-free installation helps you get it mounted quickly on compatible roof bars.
Cons:
- At 43.7 pounds, it is a fairly heavy box to handle during installation.
- The large footprint may be more box than smaller vehicles need.
This is a straightforward high-capacity cargo box for buyers who want maximum rooftop storage and simple day-to-day usability. It stands out most when you need secure, weather-resistant hauling space for longer trips.
Durable Dual-Side Roof Box – Thule Pulse 2 L
For shoppers comparing car roof cargo boxes for trucks and other road trip vehicles, the Thule Pulse 2 L is a durable, streamlined roof box with 16 cubic feet of space. Its dual-side opening, tool-free mounting system, and torque indicator make it a convenient choice for loading gear securely and setting off without much hassle.
Best For: Drivers who want a durable, easy-to-use roof box for commuting, weekend escapes, and gear hauling.
Pros:
- 16 cubic feet of cargo space suits luggage, skis, snowboards, and other travel gear.
- Dual-side opening improves access when loading on either side of the vehicle.
- Tool-free system with torque indicator adds confidence during installation.
- Hardwearing ASA-ABS construction is designed to resist sun, scratches, and weather.
Cons:
- It is listed as not water resistant, so full weather sealing should not be assumed.
- The 16 cubic foot size may not be enough for very large family loads.
The Pulse 2 L focuses on ease of use and dependable everyday hauling rather than maximum capacity. It is a strong pick if you value quick setup, simple access, and a refined fit on modern vehicles.
Compact Waterproof Roof Carrier – Garvee 12.4 Cu Ft Cargo Box
If you want car roof cargo boxes for trucks that are easier to fit and still add real storage, this Garvee 12.4 cu ft hard shell carrier is the smaller sibling to the larger model. It keeps the same waterproof, lockable, tool-free formula, which makes it a sensible pick for lighter packing, shorter road trips, and everyday adventure use.
Best For: Drivers who want a more compact rooftop cargo box with waterproof protection and quick installation.
Pros:
- 12.4 cu ft capacity is useful for luggage, sports equipment, and travel essentials.
- Hard ABS shell with UV-resistant coating helps protect cargo from weather exposure.
- Dual-sided opening makes loading more convenient at either side of the vehicle.
- Tool-free install keeps setup simple on compatible SUV, truck, or van roof racks.
Cons:
- Smaller capacity may not suit big family vacations or oversized gear.
- At 35.1 pounds, it still has enough weight to make handling more involved.
This model makes sense when you want rooftop storage without stepping up to a very large box. It balances weather protection, security, and convenience in a size that may be easier to live with on a daily basis.
Compact Aero Box – INNO Wedge 660 Black 11 cu ft Roof Box
If you’re comparing car roof cargo boxes for trucks, the INNO Wedge 660 is a strong pick when you want a low-profile hard shell that still adds usable storage. Its 11 cu. ft. capacity, dual-side opening, and quiet aerodynamic shape make it a practical choice for hauling travel gear without adding unnecessary bulk.
Best For: Drivers who want a slim, quieter rooftop cargo box with dual-side access and secure locking.
Pros:
- Dual-side opening makes loading and unloading easier from either side of the vehicle.
- 11 cu. ft. capacity is suitable for luggage, camping gear, skis, or snowboards.
- Safety key lock helps secure cargo during travel.
- Memory mount works with aero bars, square bars, and many factory crossbars.
Cons:
- 11 cu. ft. is smaller than some other rooftop cargo boxes.
- At 80 inches long, it may be more box than some truck setups need.
- Best fit depends on compatible roof crossbars.
This model stands out if you value easier access and a quieter drive over maximum volume. The durable 3-layer construction and aerodynamic shape make it a well-rounded option for frequent travel.
Budget Long Cargo Case – DNA MOTORING 11 cu ft Rooftop Box
For shoppers comparing car roof cargo boxes for trucks, this DNA MOTORING box focuses on straightforward extra storage and a heavy-duty shell. It offers 11 cubic feet of space, a lockable lid, and a rugged ABS build for adding cargo room on vehicles with cross bars.
Best For: Buyers who want a simple, lockable rooftop cargo box with a durable textured finish.
Pros:
- 11 cubic feet of storage adds practical space for bulky items.
- Rugged ABS construction is built for long-lasting durability.
- Includes a lock and key for securing cargo.
- Designed for vehicles with cross bars and no tool assembly.
Cons:
- Not water resistant according to the listed details.
- Requires cross bars for fitment.
- Side-opening design may not suit every loading preference.
This is a functional, no-frills option if you want added storage and lockable security without extra complexity. The textured ABS shell and simple installation make it a practical everyday cargo carrier.
High-Capacity Dual Access Box – GarveeTech 12 cu ft Cargo Carrier
If you need car roof cargo boxes for trucks with a little more room, the GarveeTech rooftop cargo box is built around 12 cubic feet of storage and a higher 165 lb weight capacity. It also adds dual-side opening, waterproof protection, and a hard ABS shell for road-trip hauling.
Best For: Travelers who want a larger-capacity rooftop box with dual-side access and weather protection.
Pros:
- 12 cu. ft. of storage gives you more room than many compact boxes.
- 165 lb weight capacity supports heavier packed loads.
- Dual-sided opening improves access at the vehicle.
- Waterproof and UV-resistant construction helps protect luggage.
Cons:
- Requires a roof rack for compatibility.
- The larger footprint may be more than some drivers need.
- Warranty details are mixed between the product notes and listed details.
This model is a solid fit when capacity and convenient access matter most. With weather-resistant ABS construction and a useful dual-opening setup, it is aimed at users who want more flexibility on longer trips.
How We Picked the Best Car Roof Cargo Boxes for Trucks
We looked for cargo boxes that balance storage volume, load rating, weather protection, and mounting ease. For truck owners, the most useful boxes are the ones that work with common crossbars, open conveniently from the curb or road side, and stay secure at highway speeds.
We also favored models that offer a realistic fit for mixed use: family travel, camping gear, sports equipment, and seasonal cargo. That means paying attention to overall length and width, not just cubic-foot capacity.
Quick Comparison
When comparing Car Roof Cargo Boxes for Trucks, start with three basics: total capacity, opening style, and shape. Larger boxes are better for bulky luggage and tents, while lower-profile designs help reduce drag and garage clearance issues. Dual-side or rear-opening access can also make loading much easier depending on your truck and parking setup.
Key Buying Factors for Car Roof Cargo Boxes for Trucks
Capacity and Dimensions
Capacity is important, but length and height matter just as much. A box may offer good cubic feet yet still be awkward for long duffels, skis, or oversized cases. Measure your crossbar spread and total roof space before buying.
Weight Limit and Load Security
Check both the box’s rated load limit and your truck’s roof system limit. The safest setup is one where the box, crossbars, and roof can all handle the same trip without overloading any single part.
Opening Direction
Side opening is typically easiest for most drivers, especially when loading at curbside. Rear-opening designs can also be practical if your parking space or truck height makes side access less convenient.
Weather Resistance and Locking
Look for tight seams, secure latches, and a locking system that discourages tampering. A good lid seal helps protect luggage from rain, slush, and highway spray.
Fit for Daily Use
If you plan to leave the box installed, choose a profile that won’t interfere with overhead clearance too much. For frequent use, quick installation and smooth hinge action are worth prioritizing.
Who Should Buy Which Car Roof Cargo Boxes for Trucks?
Choose a larger box if you travel with family luggage, camping equipment, or bulky seasonal gear. Pick a compact or low-profile box if you want less wind drag, easier garage access, and simpler handling.
If you need frequent loading and unloading, prioritize dual-side access and reliable locks. If your main goal is occasional overflow storage, a more budget-friendly box with solid weather protection may be the best value.
In short, the right box depends on how often you haul, what you carry, and how much roof space your truck can comfortably support.