2011: Intelligent aluminium-steel construction With the exception of local reinforcement parts, the front body section and large parts of the floor and rear section are made of aluminium. This is also true of the lids, wings and the door structure. The coupe is 44 per cent aluminium and the cabriolet 43 per cent. A significantly larger proportion of the steel parts are made of super high-strength and ultra high-strength materials. The hot forged, press hardened steels provide an extremely high degree of occupant protection. (...)
