The interior space of most SUVs with 3 seat rows is pretty decent but not much room is left behind the 3rd seat rows. For instance, the GMC Acadia’s capacity behind the 3rd row is just 12.8 cubic feet.
Acquiring a roof box for your Acadia will undoubtedly increase your cargo capacity without compromising the comfortability of all those on board. GMC seems to have premeditated this as most Acadia models come with preinstalled roof bars making the mounting of a roof box easy.
We’ve scoured the market to provide you with a comprehensive shortlist of the best three roof boxes perfect for your GMC Acadia.
- Best Overall - Thule Motion XT Rooftop Cargo Carrier
Table of Contents
GMC Acadia Roof Boxes Overview
Last update on 2023-09-22 / Affiliate links / Images from Amazon Product Advertising API
Thule Motion XT Rooftop Cargo Carrier
With dimensions of 91.5 x 37.5 x 18 inches and a volume of 22 cubic feet, this roof box can provide you with much-needed storage space. The box weighs only 55 pounds; however, it can accommodate a maximum load capacity of 165 pounds.
Another impressive feature is the PowerClick Mount System which is optimized to ensure the box fits securely to your roof rack. Firmly tighten the lock tool-free, and a ‘click’ will alert you that the box is securely mounted.
Also, it has handles with firm grips and supporting lid lifters that ensure you can access the contents of the box from either side of the car.
Needless to say, you can also mount the roof box can on all other GMC models or even most cars with round or square roof bars. This makes Thule Motion XT the top pick when looking for a roof box for your Acadia.
INNO BRM466WH PHANTOM 466 Cargo Box
For instance, it has an SPM injection design that gives the box a tough waterproof exterior that provides optimum protection and convenience during transportation. It has a volume capacity of 18 cubic feet, which, is the largest among the INNO models.
The dimensions of the box are also ideal as they allow the rear hatch of the GMC Acadia to open even when the BRM466WH Phantom 466 roof box is mounted. You can easily fit the roof box on your own, without the help of any additional tools due to its effective memory mount system.
Lastly, this aerodynamic box comes with a diffuser design that reduces noise and hobbling when it’s windy giving you a pleasant riding experience.
SPORTRACK SR7095 Skyline XL Cargo Box
The most striking feature of this roof box is it has the same capacity as the INNO Phantom but is significantly shorter and lighter. Despite being lightweight, it is made from high-density plastic that boasts of UV resistant and waterproof features making it durable even under heavy-duty usage.
The cargo box opens from the passenger’s side, which ensures you can safely access your roof box without minding the oncoming traffic. Two side locks ensure the contents of your box are not tampered with.
Another impressive feature of the SportRack Skyline cargo box is the extensive roof racks it’s compatible with. It fits on all SportRack roof rack systems and most factory racks available in the market including those on the GMC Acadia.
The U bolts ensure the roof box is appropriately fastened onto the rack and just for extra caution, SportRack provides front and rear latches to ensure the box lids remain sealed even when driving through a storm.
When it comes to roof boxes, bigger is not always better. You ought to ensure that the dimensions of the roof box are proportional to your vehicle. The 3 featured products will not only provide additional space for your GMC Acadia but also give value for your money.