The system of the Audi AS is placed on an one brand system with mixed aluminum components. The part by weight accounted for by plastics and the exercise of the lightweight materials aluminum and magnesium is significant.

A far important standard with a first vehicle weight in idea is the impressive exercise of high-strength and really high-strength sheet-metal panels, which make upward a whole of 45 percentage of the system case weight.

These specific plane panels are used mainly in the first last of the other A4, where the important priority is to draw shock vitality equally effectively as potential in a front clash.

As a careful cage, the resident cubicle must too be certain that deformations and intrusions are understated in a wreck. Part of this job is performed by three important cut blanks contained into the level country. The fence thickness of each of these blanks varies. They are linked jointly by laser weld seams.