The 2006 Scion tC is available as a 2-door, 5-seat coupe. Starting at $16,300, the 2006 Scion tC (M5) is powered by a 2.4L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 22-mpg in the city and 29-mpg on the highway. The top of the line 2006SciontC(A4) , priced at $ 17,100 , is powered by a 2.4L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 30-mpg on the highway.