650xi GC 0-60 same as M5??
I know that it's an apples and oranges comparison for most of you, but I'm acutally going back and forth between ordering a 650xi GC and an M5.
As I looked at BMW's specs for the two cars (bmwusa.com), I was amazed that 0-60 acceleration is listed as 4.3 seconds for both (the 650i GC is listed as 4.5 seconds). Could that be remotely possible considering the M5 weighs 250 pounds less and has 115 more horses?
Now I know that BMW is infamous for understating acceleration times, but would they understate the M5 more than the 650 GC?
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