Roof Rack Cross Bars Gas Mileage

Their study was published recently in the.

Roof rack cross bars gas mileage.

42 mpg roof rack with thule dynamic 800 aerodynamic cargo box. 5 9 l 100 km approx. 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. 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.

Drag coefficient increases by speed squared. 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. The control test the tourx without roof rails. 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.

Your fuel cost is ten cents mile or 1 500 year. 40 mpg roof mounted thule xtender 739 ski carrier with skis. Mileage went from 41 mpg at 65 mph to 40 mpg. 39 mpg thus the cargo box on the roof increased fuel consumption by about 5 compared to the baseline.

This editor many years ago in a move across the country to oregon from michigan found that the highway mileage of a four cylinder accord dropped from more than 40 mpg down to 32 mpg with a. Their study was published recently in the journal energy policy in a paper titled fuel consumption impacts of auto roof racks. 5 6 l 100 km approx. 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.

6 0 l 100 km approx.