Roof Rack Cross Bars Gas Mileage

40 mpg roof mounted thule xtender 739 ski carrier with skis.

Roof rack cross bars gas mileage.

Their study was published recently in the. 6 0 l 100 km approx. Your fuel cost is ten cents mile or 1 500 year. They found that in 2015 roof racks nationwide were responsible for 0 8 percent of light duty vehicle fuel consumption or 100 million gallons of gasoline.

5 9 l 100 km approx. 5 6 l 100 km approx. Mileage went from 41 mpg at 65 mph to 40 mpg. 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. Their study was published recently in the journal energy policy in a paper titled fuel consumption impacts of auto roof racks. 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 roof rack mpg experiment 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.

They found that in 2015 roof racks nationwide were responsible for 0 8 percent of light duty vehicle fuel consumption or 100 million gallons of gasoline. 39 mpg thus the cargo box on the roof increased fuel consumption by about 5 compared to the baseline. So it varies depending on the vehicle on the rack and on the driving highway or city but it s at least five percent and probably a lot more. The control test the tourx without roof rails.

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.