Starting from $21,090, the 2014 Subaru Legacy is equipped with a 2.5-liter Boxer four-cylinder engine as standard with with 173 hp and 174 lb-ft of torque. Available as an option is a more powerful 3.6-liter six-cylinder Boxer engine with 256 hp and 247 lb-ft of torque. The four-cylinder is good for 24 mpg in the city and 32 mpg on the highway while the six-cylinder nets a 18-mpg city, 25-mpg highway rating.