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      04-19-2007, 06:30 AM   #5
Drives: 2010 BMW M3
Join Date: Apr 2006
Location: New Jersey

Posts: 73
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Originally Posted by e36jakeo View Post
According to this document the M3 uses 12.4 L/100km vs the Carrera which is rated at 11L/100 km, which is about 11% less than the M3. The Carrera's US mileage is rated at 18/26, so if you decrease this by 11% the M3's US figures should be 16/23.

Not great but not horrible for 420 HP.
How is the Carrera less fuel efficient than the M3 in SA but more fuel efficient in the US?? I think you converted in the wrong direction. The M3's US figures should be 20/29 according to your method. Am I wrong?
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