Drivers could be writing off thousands of pounds from their total car valuation by making a major mistake behind the wheel this summer.

Motorists may have lost thousands of pounds in car depreciation with values dropping up to 80% over ten years.

Experts have revealed some of the worst depreciating vehicles on the road with a popular British brand among those affected.

The "slowest depreciating car" on the market has been unveiled with a stunning sports SUV at the top of the list.