Roof Rack Gas Mileage

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.

Roof rack gas mileage.

Your fuel cost is ten cents mile or 1 500 year. The roof rack mpg experiment. Let s say that you drive 15 000 miles per year gas is 2 50 gal and your gets 25 mpg. Drag coefficient increases by speed squared.

Mileage went from 41 mpg at 65 mph to 40 mpg. Off the showroom floor the regal tourx gets 21 miles per gallon in the city and 29 mpg highway for a combined fuel economy of 24 mpg. 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. So if your car usually gets 30 mpg on the highway and you add a full roof rack your highway gas mileage will drop to 24 27 mpg.

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. The control test the tourx without roof rails. Generally adding a loaded roof rack to your car will lower your gas mileage by at least 10 percent.