If you like to drive straight line really fast, C63 is the way to go.
If you like to take highway exit really fast, M3 is the way to go.
If you worry about eating up too much gas, get an M3.
The catch of C63 is, price of M3, gas consumption of M5/6.
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PAST: F80 M3 ZCP | 911.1 C2S | F10 M5 ZCP | E70 X5M | E90 M3 | E46 M3 | E36 M3
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