The 2016 Subaru Legacy is available as a 4-door, 5-seat sedan. Starting at $21,745, the 2016 Subaru Legacy 2.5i is powered by a 2.5L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 26-mpg in the city and 36-mpg on the highway. The top of the line 2016SubaruLegacy3.6R Limited , priced at $ 29,945 , is powered by a 3.6L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 29-mpg on the highway.