Do ski racks and roof boxes hurt fuel efficiency.
Ski roof rack fuel efficiency.
He compared the gas mileage of his car at 54 7 mph 88 kph with 1 no roof racks 2 an empty roof rack and 3 a mountain bike on the roof rack.
Yes more than you think.
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.
For comparison the additional fuel consumption caused by roof racks is about six times larger than anticipated fuel savings from fuel cell vehicles and 40 percent of anticipated fuel savings.
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.
Mileage went from 41 mpg at 65 mph to 40 mpg.