- Helen Taylor, John Taylor
- 3.13 litre(s) per 100 kilometres
- Australia (Melbourne)
The lowest fuel consumption driving the coast of Australia in a diesel car is 3.13 l/100 km (90.75 mpg) and was achieved by John Taylor and Helen Taylor (both Australia), from 3 to 26 February 2008.
John and Helen also hold the current record for Lowest fuel consumption during circumnavigation by driving.