http://FremontFord.com 888-244-9105 With the 3.7-liter V6, the 2013 Ford Mustang produces 305 hp and 280 pound-feet of torque. The 2013 Ford Mustang GT steps up to a 5.0-liter V8 good for 420 hp and 390 lb-ft of torque. Both have a standard six-speed manual transmission, while a six-speed automatic with manual shift control is optional. As if this isn't enough, the Boss 302's 5.0-liter V8 ups power output to 444 hp and 380 lb-ft of torque.