Audi A3: Mixed Materials Leads to Lighter Weight

The current model Audi A3 is 80 kg lighter than the prior version, resulting from “relatively thin-walled, form-hardened steels that make up 26% of an A3’s body materials, many aluminum parts including the hood and fenders, plastic for the front passenger airbag housing, and magnesium for the MMI human-machine interface monitor bracket.”
http://www.sae.org/mags/aei/11143

http://www.sae.org/servlets/dlymags/dailymag/articleImage.jsp?imgsrc=/dlymagazineimages/11143_14204_ACT.jpg&alttxt=Audi%20A3%20Materials%202.jpg

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