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 2016AudiTTquattro 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.