The 2012 Audi TT is available as a 2-door, 4-seat coupe. Starting at $41,300, the 2012 Audi TT Premium Plus (S tronic) quattro Roadster is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 31-mpg on the highway. The top of the line 2012 Audi TT Premium Plus (S tronic) quattro Coupe, priced at $38,300, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 31-mpg on the highway.