This year Audi is celebrating 40 years of quattro. The four-wheel drive system debuted at the 1980 Geneva Motor Show on the Audi Quattro coupe model.

In order to celebrate this anniversary, the German car manufacturer has prepared some special events and cars. The newest project developed by Audi is named RS6 GTO.

As the name suggest, the car was inspired by the old racer 90 Quattro IMSA GTO. The car run in the 1989 IMSA season and it was equipped with a 2.2 liter five cylinder engine. The car was still in the development process when the 1989 IMSA season started, so Audi missed the first two races (Daytona and Sebring). But the Germans managed to come stronger and won 7 out of the 13 races (still not enough to claim the title).

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The current Audi RS6 GTO has the same livery as the 90 Quattro IMSA GTO, a full rollcage and also side exhaust pipes. The project was developed by the company’s apprentices in Neckarsulm under the guidance of March Lichte, Audi’s design boss.