BMW M3 4-litre V8 comparison
Sep
14
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The 4-litre V8 tucked under the subtly bulging bonnet of has 414bhp, exactly the same as its arch rival, the Audi RS4, a car launched back in 2005. And when Mercedes joins the fray next year with the C63 AMG, the M3 could well find itself lagging behind by a breezy 86bhp.
It all depends on whether Mercedes decides to go with the ‘cooking’ 475bhp version of the 6.2-litre AMG V8, as fitted to the regular CLK63 AMG, or the 500bhp edition unveiled at last month’s New York motor show as the powerplant for the Black Series CLK63. Either way, AMG will top the firepower chart by a substantial margin – its customary position these days.
Probe deeper, though, and the M3’s new motor begins to look a whole lot more like the high-achiever we were expecting. Whereas the 4.2-litre Audi V8 relies on FSI ... 


