10 Best Car Top Carriers 2025 in the United States

The Thule Motion 3 XXL is a large rooftop cargo box offering 21 cubic feet of storage, ideal for families or anyone needing extra space for trips. It can hold up to 165 pounds, supporting a substantial load for gear or luggage. Made from durable aluminum, it’s sturdy but relatively heavy at 35 kilograms.

Its wing-shaped, aerodynamic design helps reduce wind drag, potentially improving fuel efficiency compared to bulkier boxes. The box mounts easily with the PowerClick quick-mount system, which clicks to confirm secure installation—this tool-free setup is user-friendly, especially for those new to roof boxes. Opening and closing is smooth and can be done with one hand thanks to the wide handle. Security is enhanced with the SlideLock system, which automatically locks the lid and shows when it’s secured, helping keep belongings safe.

However, it is not water resistant, so it is advisable to avoid heavy rain or snow conditions or consider additional protective liners (available as accessories). Its large size means it might not fit all car roofs or low-clearance garages comfortably. This cargo box is suitable for users who prioritize easy mounting, good security, aerodynamic design, and plenty of capacity, while considering its weight and lack of water resistance when planning trips.

The Thule Motion 3 LTitan is designed for users looking for a reliable and efficient car-top carrier. One of its standout features is its aerodynamic wing-shaped profile, which reduces drag and contributes to better fuel efficiency—ideal for long trips. The sturdy lid design allows for easy one-handed operation, making loading and unloading a breeze. The PowerClick quick-mount system ensures a secure fit, with an audible ‘click’ that signals when it's properly attached, a comforting feature for those who may be new to mounting roof boxes.

In terms of capacity, this large carrier offers ample storage with a volume of 450 liters, suitable for families or anyone needing extra space for gear. It’s made from durable aluminum, promising longevity and good water resistance to protect your belongings from the elements.

On the downside, the weight capacity at 24.04 kilograms might limit how much you can pack, especially if you have bulky items. Some users might find the size a bit cumbersome, making it challenging to handle without assistance when not mounted on the vehicle. Additionally, while the SlideLock system provides added security, it’s crucial to ensure that the lid is locked correctly, as mishaps can occur if not checked. This product suits families and outdoor enthusiasts needing extra space for their adventures, balancing performance with user-friendly features.

The Thule 613 Pulse Cargo Box Alpine is a sturdy rooftop cargo carrier offering 11 cubic feet of extra space, which is ideal for families or outdoor enthusiasts needing to carry skis, snowboards, or luggage. Its external size (88.5" x 25.5" x 12.5") fits well on most cars without being overly bulky, and it can hold up to 110 pounds, making it suitable for medium loads. Weighing 30 pounds itself, it’s relatively easy to handle during installation or removal. Made from durable plastic, the box is water-resistant, helping to protect your gear from rain or snow.

The FastGrip quick-mount system simplifies installation, and the passenger-side opening makes loading and unloading more convenient, especially when parked on the curbside. Security is well thought out with a central locking system and a Comfort Key that only comes out when all locks are fully secured, reducing the risk of theft.

Though the design is rugged, it does not specifically highlight aerodynamic features to minimize wind noise or drag, which might slightly affect fuel efficiency on longer drives. This carrier is an excellent choice for those seeking reliable protection and ease of use, particularly for winter sports gear or general road trips. However, if you prioritize top aerodynamics or a higher maximum load, other models might be worth considering.