What 16-Cubic Foot (Or Larger) Cargo Box Fits My 2018 Audi Q7?  

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Expert Reply:

For a large cargo box for your 2018 Audi Q7, I recommend the Thule Motion XT Rooftop Cargo Box - 22 cu ft - Black Glossy # TH629906. The Thule Motion XT will fit crossbar dimensions up to 3-1/2 inches wide and up to 1-1/16 inches tall. The Thule Motion XT has the largest cubic feet of any cargo box we carry. In order to determine if the rear hatch of your vehicle will fully open without hitting the box, I recommend making sure that the measurement from the center of your front crossbar to the line where the roof and hatch meet is at least 55 inches.

If you want something with a bit less storage space, I recommend the Trunx Rooftop Cargo Box - 18 cu ft - Black # TRX34FR. The Trunx cargo box will fit crossbar dimensions up to 3-3/4 inches wide and up to 1-3/16 inches tall. The Trunx is a more economical option that still provides a lot of carrying capacity. It is also USA-made. In order to determine if the rear hatch of your vehicle will fully open without hitting the box, I recommend making sure that the measurement from the center of your front crossbar to the line where the roof and hatch meet is at least 35 inches.

If you need a roof rack system to mount your cargo box on your 2018 Audi Q7, I recommend the following parts:

- Thule WingBar Evo Crossbars - Aluminum - Silver - 53" Long - Qty 2 # TH711400 (silver) or # TH711420 (black)
- Rapid Podium Feet for Thule Crossbars - Fixed Point - Qty 4 # TH460R
- Fit Kit for Thule Podium-Style Roof Rack Feet - 3145 # THKIT3145

With the above roof rack system, you will be able to mount either the Thule Motion XT or the Trunx Cargo Box.

expert reply by: Bob C

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