10L / 100 Km
My average is 10L/100km.
When I fillup, I look at the odometer and divide by 10 to estimate how much fuel I need. EG 370km should be 37 litres of fuel.
If I've done a lot of stop/start city driving, economy could drop a bit - maybe 38.5 rather than 37 in the example above. On the...