There is at least some significance to the single-digit increase. This M Series coupé is some 4671mm long, which represents a 53mm increase over the departing M3 coupé. It’s also 180mm longer than the generation before that, the E46, and 326mm – a full a foot and a bit – longer than the original E30 M3. This is a seriously large car.
Nonetheless, BMW says it targeted the weight of the last six-cylinder M3 when it set out to create the M4. Equipped with the standard M DCT seven-speed dual-clutch automatic transmission, our test M4 weighed in at 1610kg. That’s only 10kg lighter than the M3 we tested in 2007, but that was equipped with a manual transmission.
It’s also telling how difficult it is becoming for BMW to retain its trademark 50 percent front, 50 percent rear weight distribution. Removing weight from the rear of the car is easy enough (by using a composite tailgate, for example, as here), but it’s rather more expensive to remove it from the front.
Our test car was 52 percent biased over its nose, which is no bad result given that a 3.0-litre straight six engine with two turbochargers resides there.
Ah, the engine. The capacity has dropped by a full litre over that of its 2007 predecessor, yet power is up from 414bhp to 425bhp, while torque rises from 295lb ft to a fairly whopping 406lb ft. If you add the Competition Pack the M4 gains an additional 19bhp while its torque remains the same. The newest addition to the range is the M4 CS, which gets a peak 453bhp driven through its rear wheels, while heading the range is the limited edition GTS which produces a monstrous 493bhp.