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.
Thule roof box fuel consumption.
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.
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.
G with box d m g without box d m 3 d m 1 3 d m 3 1 4 so as long as you are observing more than 12 mpg normally it makes more sense to use a thule with 4 people.
5 6 l 100 km 42 mpg roof rack with thule dynamic 800 aerodynamic cargo box.
Thule roof box carrier repair rebuild patch holes and paint.
Opel vauxhall 1 9 cdti affect mileage increase fix and drive.
5 9 l 100 km 40 mpg roof mounted thule xtender 739 ski carrier with skis.
Roof box how much does fuel consumption rise.
So gallons used without the box per 3 passengers gallons used with the box per 4 passengers.