1976 Audi 100, powered by the first gas-powered 5-cylinder from Audi
(August 30, 2016) INGOLSTADT, Germany — Forty years ago, Audi presented the first five-cylinder gas engine in the second-generation Audi 100. Enhancements and new developments followed, with turbocharging, emissions control and four-valve technology, rally engines and five-cylinder diesel units. Today, the 2.5 TFSI in the Audi TT RS Coupé and Roadster carries on the great tradition of five-cylinder powerplants.