Quote:
Originally Posted by AndreyATC
I dont think you can just use ratio
It's easy to convert UK to US mpg by simply comparing gallons
45.6 Imp = 38 US mpg
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You're using a ratio right now.
And you can't do it that way because you are using gallon conversion (1 Imperial Gallon = 1.20095 US gallons) to calculate miles per gallon. If we did it the way you described, you would see a MPG figure of 22.5 mpg US instead of 17 MPG US on the 50i. There is no way the 35d is getting 38mpg combined. 28.7 is much more realistic and will am going to say the BMW will rate it 27-28 mpg combined with the EPA rating it 26-27 combined.