Base Boxster models get a 2.7-liter, 24-valve, dual overhead cam, six-cylinder Boxer engine mounted mid-ship. Horsepower rates 245 at 6,400 rpm and torque comes in at 201 lb.-ft. at 4,700 rpm, all of which is pushed to the rear tires through a standard five-speed manual transmission or one of two optional gearboxes: a five-speed automatic or a six-speed manual. The Boxster S houses a 3.4-liter, 24-valve, dual overhead cam, six-cylinder Boxer engine, with 295 horsepower and 252 lb.-ft. of torque. Buyers can choose from a six-speed manual or five-speed automatic transmission. EPA-rated fuel economy ranges between 23 mpg city and 32 mpg highway for the base model with the five-speed stick to 20/27 mpg for the S with the automatic.