Trip computers average the last minutes, not the last tank. Three fill-ups are enough to see real L/100 km. Continue reading
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Oil, timing belt, and inspection dates fail because they live in a glovebox booklet. Put them on mileage and a date. Continue reading
Insurance, parking, tyres, and one repair often beat the fuel bill. A simple category log shows the real monthly number. Continue reading
Day 1: one vehicle. First fill-up: litres and km. First workshop visit: one note. That is enough to see a trend. Continue reading