The 2014 Audi TTS is available as a 2-door, 4-seat coupe. Starting at $51,700, the 2014 Audi TTS quattro Roadster is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 31-mpg on the highway. The top of the line 2014 Audi TTS quattro Coupe, priced at $48,700, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 31-mpg on the highway.