The Audi RS3 is a bit of an oddball. It has 401 hp under the hood, a serious number for a car weighing around 3600 pounds. But that power comes from the last five-cylinder engine on the market, making ...

The turbocharged 2.5-liter five-cylinder engine from the Audi RS3 and now retired Audi TT-RS is one of the most charismatic ...

Euro 7 emissions standards will stop sales of the RS3 in its homeland later this year. Could an electric boost bring it back?

Euro 7 regulations will end Audi's beloved 2.5-liter engine at home shortly after its 50th anniversary.

We’ve had the party, now it’s time to clear away the mess. Fresh from celebrating the 50th anniversary of its iconic five-cylinder engine with the limited-run RS3 Competition, Audi is preparing to ...

This year marks 50 years of Audi’s five-cylinder petrol engine, which made its debut in the Audi 100 sedan in 1976 with a 2.1-litre displacement, producing 136hp. Various iterations found their way ...