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.
Thule roof box fuel consumption.
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.
It has a distinctive shape that has been optimized using advanced computer simulation reducing the impact on fuel economy and providing a quiet ride.
Roof rack with thule dynamic 800 aerodynamic cargo box.
If fuel consumption is a concern invest in a streamlined box which will cut through the air more efficiently.
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.
Suggested it can be reduced by over a third the aerodynamics of the box and roof bars are key to reducing the negative impact but it s a.
In fact it significantly cuts your highway mileage all the time it s installed whether there s weight up there or not.
Thule roof box carrier repair rebuild patch holes and paint.
Adding any rooftop carrier cargo box or ski rack doesn t come free.
Opel vauxhall 1 9 cdti affect mileage increase fix and drive.
30 5mpg astra s baseline fuel economy.
5 9 l 100 km approx.
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.
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.
Roof box how much does fuel consumption rise.
