At: www.honestjohn.co.uk/RealMpg/Results?manufacturer=...i the Hyundai i10 1.2 is showing a real life average fuel economy of 44.2mpg. That is the true figure and the only figure you should pay any attention to. EC lab test figures are for CO2 certification purposes alone and do not represent real life. The emissions equipment that modern engines have to carry can make them less fuel efficient, but this is countered by the fact that lower speed limits and increased enforcement mean that most of us drive more slowly these days.