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      08-04-2014, 09:53 AM   #9
RichardP
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Drives: E39 M5 & M6 Gran Coupe
Join Date: Feb 2011
Location: North Yorkshire, UK

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Garage List
2013 BMW M6 Gran Coupe  [10.00]
1980 E26  [10.00]
2003 BMW M5  [10.00]
I can't see those figures being correct if tested under the same conditions.

The weight difference would have more effect at lower speed, but the 0-62mph (0-100 kph)times are identical. The drag differences are very small, but there is a 0.5 second difference in 62-124mph (100-200kph) and a whole second between 62-155mph (100-250kph), that's a very big difference and would indicate that the power in the Coupe was significantly up on the Gran Coupe (0-62 mph being traction limited anyway).
Appreciate 0