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.
Mileage impact of roof bag.
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.
6 0 l 100 km 39 mpg thus the cargo box on the roof increased fuel consumption by about 5 compared to the baseline.
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.
I have heard of people taking a big hit in gas mileage and i have also heard of people who claim a zero loss in gas mileage.
Make sure that all smaller items are packed within larger boxes or bags so.
Prevent items from moving during a sudden stop by strapping down bags or boxes with cargo anchors.
Since suvs are already higher off the ground adding a roof carrier can mean more wind resistance added potential for swaying and lower gas mileage.
It really varies as to how much the mileage will suffer.
Roof rack with thule dynamic 800 aerodynamic cargo box.
The best roof cargo bag 10.
5 9 l 100 km 40 mpg roof mounted thule xtender 739 ski carrier with skis.
Your videos are great.
Mileage went from 41 mpg at 65 mph to 40 mpg.
A close second was the kayak with 28 percent or a change.
I have roof rails on my 2015 honda odyssey but to me its looks like the hitch cargo carrier is better.
Rightline gear roof duffle bag.
Hi do you guys prefer a hitch cargo carriers over a roof bag.
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.
Just wondering your recommendation.
Make sure if you re going to get a cargo box to go with thule not yakima.
Anytime you put some on the roof of your vehicle gas mileage will suffer.
With four cubic feet of storage space the rightline gear roof duffle bag isn t the biggest bag in the game but it will get the job done for smaller trips and the beauty of it is most vehicles will have enough space for two or even three.