The 2012 Scion xD is available as a 4-door, 5-seat hatchback. Starting at $15,345, the 2012 Scion xD Base (M5) is powered by a 1.8L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 27-mpg in the city and 33-mpg on the highway. The top of the line 2012ScionxDRelease Series 4.0 (A4) , priced at $ 17,050 , is powered by a 1.8L , 4 - cylinder engine that returns an EPA estimated 27-mpg in the city and 33-mpg on the highway.