The Range Rover Sport we drove was three years old and had 41,579 miles on the clock. It came with a 4.2 litre supercharged engine and capable of reaching 0-62 mph in 7.2 seconds.

Watch the video below for more information on the challenge, and details on how the car was driven in a fuel-efficient manner.

Did you win the 1-Litre Challenge?

Congratulations to Sian Minns who won the first prize, and the runners-up: Michael Prodywus, Doreen Webb, Michelle Dolan, Emmanue Adamo and Christopher Bell.