2025 Mustang Gt Horsepower Specs. Structurally, the 2025 5.0l coyote v8 is extremely similar to previous iterations of this famed powerplant. Compared to the 2nd and 3rd generation coyotes in the s550, the 2025 mustang’s engine is designed to produce more horsepower in its stock form.

Also available is the active valve dual exhaust. In the three dyno runs, the coyote v8 produced the most horsepower in the first test when it pumped out 408.75 hp at 7,250 rpm.