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 2014AudiTTSquattro 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.