Does Roof Mounted Cargo Bag Affect Gas Mileage  

Question:

Expert Reply:

When you place anything on the roof of your vehicle, like the Rightline Sport 3 XL Rooftop Cargo Bag, part # RL100S30 it will change the aerodynamics of the vehicle and, the fuel economy would be impacted. How much of a difference depends on several factors, such as weather, terrain, weight of cargo being carried by the vehicle, driving speed, etc.

If you are planning on using a cargo bag on a naked roof, I recommend using a protective pad like the Non-Skid Roof Protection Pad, part # RL100650. This is a 36 inch by 36 inch pad and is 3/16 inches thick that protects the roof of your vehicle from scratches and scuffs.

You will also need to consult your owners manual or your dealership to find out what the roof weight capacity of your vehicle is.

expert reply by: Jeffrey L

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