Country run: Did a near pure country run yesterday(200km, most at 80 or 110), filled up before and after on E10. Got 8.6l/100km I also took my Navman to test the speedo accuracy. It scales a bit, starting at about 1.5km/h slow at 60, getting up to 3km/h slow at 110. Basically, at 80 & 100km/h, to actually do that speed, the left edge of the needle needs to be on the number. To do 110, their needs to be about 2 mm gap between the needle and the indicator line.