In normal guise I got about 26mpg and now running mod X with RS injectors and over 300bhp I get around 30mpg,now mostly I drive like a sissy apart from the occasional blast,I only go 12 miles a day to work and that's at 2 in the morning doing 40-50mph so maybe why mines isn't to bad,u nail it and it drinks fuel other than that I think they're ok if ur sensible