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Originally Posted by NoShirtsNoShoes

My 335d has done 38.27 mpg in a year. I hear (i.e. read on here) that the 340i is doing low 30s. Even people with M3s are doing 30+!

25% I'd be fine with, 35% would piss me off. Hmmmm.

38 mpg could be viewed as very poor 335d mpg returns, with a lot having much higher averages.

So are you comparing low 335d returns to best case 340i returns?

Would you change your driving style to get 30's, if not could you accept say 28mpg?