The Ford Mustang comes standard with a 2.3-liter EcoBoost turbocharged four-cylinder engine that produces 310 horsepower and 350 pound-feet of torque. An optional performance package raises horsepower output to 330. The Mustang GT has a 5.0-liter V8 engine that puts out 460 horsepower and 420 pound-feet of torque. The Mustang Bullitt employs this engine, but...