I filled my car 4 times since I have it and I noticed a slight difference between what the computer gives me as the average fuel consumption and what I get when I use the data from the odometer and the liters required to fill the tank. I guess that this gap might be caused by the imprecision of the fuel gauge. If I forgot the first data (Breaking period) the difference represent a 4 to 6 % drift which is "acceptable". What is a little disturbing is that the last time I filled the tank, the computer estimated the "Distant Until Empty" to be 23 kilometers (which should represent 1 or 2 liters with a fuel consumption of 4.5 L/100Km) but It took 36,2 liters to fill the tank which has a 45 Liters capacity. I should have been able to drive for another 200 Km with the remaining 9 liters ! What might explain this gap and what should I do with it ?
Richard, There is a whole thread on this subject here. The difference you see is in line with what others report. I'm now at 4800 km (went to les ÃŽles-de-la-Madeleine on vacation) but still have to enter my gas receipts in a DB to see how it looks like.
