A 2015 stock Ford Mustang GT has an engine that outputs 435 horsepower on 93-octane fuel. The engine is a 5.0L, Ti-VCT V-8 with eight cylinders. It produces 400 pounds-foot of torque at 4250 revolutions per minute with the same fuel.
A variation of the 2015 Ford Mustang is the V6, which has a 3.7L V-6 engine that outputs 300 horsepower and 320 pounds-foot of torque at 4000 revolutions per minute. This model sacrifices power relative to the Mustang GT, but is more fuel-efficient on the road. The 2015 Mustang EcoBoost has a 2.3L I-4 engine, and outputs 310 horsepower and 320 pounds-foot of torque at 3000 revolutions per minute. It is the most fuel-efficient of the listed Fords.