The 2016 Audi TT is available as a 2-door, 4-seat coupe. Starting at $46,400, the 2016 Audi TT quattro Roadster is powered by a 2.0L, 4-cylinder engine that returns an EPA estimated 23-mpg in the city and 30-mpg on the highway. The top of the line 2016 Audi TT quattro Coupe, priced at $42,900, is powered by a 2.0L, 4-cylinder engine that returns an EPA estimated 23-mpg in the city and 30-mpg on the highway.