Roof Pod Fuel Economy

30 5mpg astra s baseline fuel economy 30 4mpg two front windows a third open 30 3mpg roof bars and laden roofbox 30 2mpg two front windows totally open 29 7mpg four tyres down to 20psi.

Roof pod fuel economy.

Adding a roof box means your car has to carve a bigger hole in the air which requires burning more fuel so your mpg will suffer. 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. 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. 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.

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. But if you. The control test the tourx without roof rails. Their study was published recently in the journal energy policy in a paper titled fuel consumption impacts of auto roof racks.

Mileage went from 41 mpg at 65 mph to 40 mpg. A control test was first completed with the roof of a petrol powered natural aspirated subaru forester unburdened by any racks or cargo only the factory installed roof rails remained. 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.

Their study was published recently in the. Mileage went from 41 mpg at 65 mph to 40 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. That 100km run chewed up 6 46 litres of petrol and was our baseline number.