10 Best Cargo Boxes 2026 in the United States

The Thule Motion 3 XXL rooftop cargo box offers a large 21 cubic feet capacity, making it a great choice for families or anyone needing extra storage space on road trips. Its aluminum shell is sturdy and durable, but it’s not water-resistant, so it’s best to avoid heavy rain or snow exposure. The aerodynamic, wing-shaped design helps reduce drag, which can save fuel and reduce wind noise compared to bulkier boxes.

Installation is straightforward thanks to the PowerClick tool-free mounting system, which signals when it’s securely attached, making setup quick and stress-free. The wide handle and one-handed operation allow for easy opening and closing, and the SlideLock system adds a layer of security by automatically locking the lid and showing when it’s properly closed. However, at 35 kilograms, it’s quite heavy, so lifting it onto the roof might require some effort or an extra pair of hands.

This cargo box is well-suited for those who prioritize capacity, ease of use, and aerodynamic efficiency. If you need full water protection or a lighter option, you might want to explore other models. Accessories like an interior light and protective liner are available but sold separately.

The Thule Force 3 XL is a spacious cargo box offering 18 cubic feet of storage, making it ideal for families or active individuals who need extra room for gear during trips. Its size fits well on SUVs, trucks, cars, and even electric vehicles, thanks to its roof-mounted design and tool-free installation. The aerodynamic shape helps reduce wind resistance and noise while driving, which is a big plus for long journeys.

Made from durable plastic, it’s built to handle daily use and various weather conditions with a water-resistant design, although it may not be fully waterproof in heavy rain. One standout feature is the dual-sided opening, which makes loading and unloading cargo easier from either side of your vehicle. The mounting system is straightforward, and a simple click lets you know the box is securely attached. Security is well-covered through the SlideLock system, which locks the lid and clearly indicates when it’s closed properly, giving peace of mind that your belongings are safe. At 66 pounds, it is reasonably lightweight for its size, making installation manageable for most users.

The cargo box ranks well among hard-shell carriers and is known for strong customer satisfaction. Its large dimensions require checking your vehicle’s roof space and clearance, especially in garages or low areas. This cargo box suits those who want ample, secure, and easy-to-access storage with a sleek, durable design for everyday adventures.

The Yakima Cargo Carrier Box, SkyBox NX, in Extra-Large size, is designed to offer a substantial 18 cubic feet of storage space, making it ideal for family trips or camping excursions. This cargo box stands out for its sleek design, featuring an NX nano texture that adds a stylish touch. The dual-sided opening is a great convenience, allowing easy access to your gear from either side of the vehicle. Additionally, the carrier ensures secure installation and transit safety with its removable torque limiting knob, integrated tie-down points, and SKS locks.

Despite its attractive features, the cargo box has some limitations. While the product is constructed from plastic, which keeps it lightweight at 53 pounds, it may not offer the same durability as some metal options. It's important to note that the box is not water-resistant, which could be a drawback in rainy conditions. The box fits well with Yakima StreamLine or other aerodynamic crossbars, but compatibility with all car models might need verification.

The box accommodates gear for up to four campers and can handle snowboards and skis up to 76.77 inches, proving its usefulness for outdoor enthusiasts. Its unobstructed, flattened floor design maximizes internal space efficiently. However, for those who prioritize aerodynamics and fuel efficiency, the box's large dimensions (84'L x 36'W x 16.5'H) might slightly impact vehicle performance. Nonetheless, customers have generally rated it positively, appreciating its utility and stylish look.