The 2012 Lincoln MKX is available as a 4-door, 5-seat sport utility. Starting at $39,545, the 2012 Lincoln MKX FWD is powered by a 3.7L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2012LincolnMKXAWD , priced at $ 41,395 , is powered by a 3.7L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 23-mpg on the highway.