Example buddies forester has the roof rails across and when he removed them noticed instant 50 60 more miles on a tank of gas.
Wrx roof rack gas miliage.
Some name brands ones get heavily tested and therefore don t do much bad or good.
Get it as soon as fri sep 18.
6 0 l 100 km approx.
Thule aeroblade edge flush mount rack 1 bar 4 2 out of 5 stars 103.
With two bikes 23 24 mpg.
39 mpg thus the cargo box on the roof increased fuel consumption by about 5 compared to the baseline.
Cross bars compatible with 2008 2011 subaru impreza 2008 2014 wrx factory style silver roof rack cross bars by ikon motorsports 2009 2010 2012 2013.
Over the roof is where the air stream is compressed after the hood and windscreen direct it upwards so the denser air creates even more drag.
We had all 3 rows up with a car full of kids teens and were able to pack everything we needed and still get 27 28 mpg on the drive.
While other ones are horrible for gas mileage.
5 6 l 100 km approx.
Generally adding a loaded roof rack to your car will lower your gas mileage by at least 10 percent.
42 mpg roof rack with thule dynamic 800 aerodynamic cargo box.
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.
The control test the tourx without roof rails.
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.
4 2 out of 5 stars 26.
Depends on roof rack design and the aerodynamics affect it has.
40 mpg roof mounted thule xtender 739 ski carrier with skis.
Some drivers may see their gas mileage drop by as much as 20 percent depending on vehicle type and type of roof rack.
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.
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.
According to a new study by yuche chen and alan meier published in the most recent issue of energy policy roof racks are responsible for 0 8 of light duty vehicle fuel consumption in 2015 corresponding to 100 million gallons of gasoline per year.
With hitch rack no mileage hit.
With empty roof racks 28 mpg.