The 2012 Audi R8 is available as a 2-door, 2-seat coupe. Starting at $196,800, the 2012 Audi R8 GT (R tronic) quattro Coupe is powered by a 5.2L, 10-cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 19-mpg on the highway. The top of the line 2012 Audi R8 GT (R tronic) quattro Spyder, priced at $210,300, is powered by a 5.2L, 10-cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 19-mpg on the highway.