I believe I'm not mistaken in saying that with the previous generation TT RS and RS3, the 2.5-liter engine was the same, sounded the same and produced the same horsepower. But between the 2017 TT RS ...

The 2012 Audi TT RS brings the RS brand back to the U.S., and though it's pricey at $56,850, it delivers the goods when it comes to performance--on paper, anyway. A 2.5-liter turbo five-cylinder ...

The power: 360 horsepower and 343 pound-feet of torque from a 2.5-liter, turbocharged five-cylinder TSFI engine; six-speed manual transmission; quattro all-wheel drive The details: Audi’s RS line is ...

Is the Audi TT-RS’s 360-hp and 174 mph top speed not enough for you? German powerhouse tuner MTM decided it clearly wasn’t enough for them and their customers. The result is a 472-hp turbocharged ...