The lowest fuel consumption rate for a petrol car travelling from Land's End to John-O'-Groats is 2.963 litres per 100 km (95.336 UK mpg; 79.38 US mpg) and was achieved by Fergal McGrath (Ireland) and Paul Clifton (UK) between 3-4 June 2017.

The duo drove a Honda Jazz 1.3 over the distance.