I have an aux fuel tank, so that's probably cheating. About 2 years ago was able to just make it the 1200 kms from Ceduna, SA to Norseman, WA (showed 0 kms range left for the last 10 kms). Took 180 litres to fill so that was 15.0 l/100 km. This included rooftop tent, heavy load, strong headwind, rain, about 100km of muddy road under construction, so I was quite pleased with it. Less pleasing was the over $300 for the fill.