Fuel Efficiency With Roof Rack

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.

Fuel efficiency with roof rack.

But that s where you ve found a dilemma. Mileage went from 41 mpg at 65 mph to 40 mpg. That s why you ve decided to invest in a cargo carrier. 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.

That second run returned a fuel consumption of 7 06l 100km that s 0 6 litres more than our control run. A close second was the kayak with 28 percent or a. To find out how bike racks affect a car s fuel economy consumer reports tested a roof rack and a trailer hitch rack loaded with two adult sized bicycles on a 2019 nissan altima and a 2019 toyota. For some people the.

Hitch racks or roof racks which one should you choose. 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. Their study was published recently in the journal energy policy in a paper titled fuel consumption impacts of auto roof racks. The gear with the most impact were the dual mountain bikes strapped to the roof which impacted the fuel economy by 31 percent or 9 mpg.

Roof racks a drag on fuel economy by lawrence berkeley national laboratory both loaded and unloaded roof racks create drag reducing your vehicle s efficiency. Aerodynamics is the study of force and how an object moves through the air. Next we equipped a set of roof racks and a bike carrier attachment to the roof of the forester brimmed the tank once more and set off completing the exact same run a second time. Some original equipment roof rack designs are.

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. 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.