The 2011 Acura TSX is available as a 4-door, 5-seat sedan. Starting at $29,610, the 2011 Acura TSX 2.4 (M6) Sedan is powered by a 2.4L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 21-mpg in the city and 29-mpg on the highway. The top of the line 2011AcuraTSXw/Technology Package Sport Wagon , priced at $ 34,610 , is powered by a 2.4L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 30-mpg on the highway.