That 1540 kg kerb weight (in the Targa 4), 110
kg over the coupe, is the same as having a fully grown adult and child on board.
The Roadster has lost 75
kg over the coupe, now weighing in at 1100 kg.
Not exact matches
The increase in power is masked by the additional 60
kg weight penalty the Roadster has
over the
coupe, but while you don't get G - inducing forces you do get a much more characterful and engaging experience.
With bespoke bodywork, an improved interior and an 80
kg weight advantage
over the
coupe, we expect the Roadster to be a shining carbonfibre star at this years show.
Perhaps most surprisingly, the Roadster actually represents an 80
kg weight saving
over the
coupe, achieved through the refinement of its Carbo - Titanium tub and a significant 25 % weight reduction in the glorious forged suspension.
It's 60
kg lighter, too, though given how bulky the old car was that's not as exciting as it may seem — the M4 cabrio still weighs 1750
kg,
over 250
kg more than the
coupe.
Despite the 115
kg weight penalty
over the S63
coupe, the new Cabriolet, all 2110
kg of it, completes the 0 - 62mph sprint in an identical 4.2 sec (the 4Matic four - wheel - drive version is three - tenths quicker at 3.9 sec, two - tenths quicker than an S65
coupe) and is artificially limited to 155mph.