Mileage went from 41 mpg at 65 mph to 40 mpg.
Ski roof rack fuel efficiency.
Best ski snowboard roof racks.
Yes roof boxes and ski racks really do cut mpg.
Adding any rooftop carrier cargo box or ski rack to your car significantly cuts your highway mileage all the time it.
The best ski snowboard roof racks for 2020.
If you follow our coverage on fuel efficiency you know that real world mileage numbers don t always measure up to the official epa ratings.
The empty roof rack had a nearly 2 percent impact on fuel economy which translates to a little more than three quarters of a gallon of gas.
Ski snowboard roof rack reviews 1 thule pull top ski and snowboard carrier 2 yakima fatcat locking ski and snowboard rack 3 thule snowpack roof mounted ski and snowboard carrier 4 inno racks gravity snow rack 5 tms j bar ski and snowboard rack.
Yes more than you think.
He found that compared to the baseline of no roof rack the empty rack reduced his mpg by 12 7 and the roof rack with a bicycle reduced it by a whooping 27 3.