39 mpg thus the cargo box on the roof increased fuel consumption by about 5 compared to the baseline.
Thule roof box fuel consumption.
If fuel consumption is a concern invest in a streamlined box which will cut through the air more efficiently.
In fact it significantly cuts your highway mileage all the time it s installed whether there s weight up there or not.
Beyond that the two items tested with the least impact on gas mileage were the paddle board and thule luggage carrier both of which caused about a 19 percent decrease in fuel economy or 5 5.
Opel vauxhall 1 9 cdti affect mileage increase fix and drive.
Thule roof box carrier repair rebuild patch holes and paint.
40 mpg roof mounted thule xtender 739 ski carrier with skis.
5 9 l 100 km approx.
Roof box how much does fuel consumption rise.
It has a distinctive shape that has been optimised using advanced computer simulation reducing the impact on fuel economy and providing a quiet ride.
With thule motion xt thule is setting a new standard for modern roof box design with a stylish silent and easy to use box that will make your car look even better.
Of course sticking an enormous roof box on the car can affect fuel consumption figures thule told driving that official mpg figures are likely to decrease by more than 5 but a study by whatcar.
Adding any rooftop carrier cargo box or ski rack doesn t come free.
Roof rack with thule dynamic 800 aerodynamic cargo box.
It s impossible to give an exact figure because it depends on so many factors but britain s biggest roof box manufacturer thule states that your mpg is unlikely to decrease by more than 5.
With thule motion xt thule is setting a new standard for modern roof box design with a stylish silent and easy to use box that will make your car look even better.
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.
30 5mpg astra s baseline fuel economy.
