The 2026 Ford Mustang® Dark Horse® is the pinnacle of naturally aspirated performance in the S650-generation Mustang lineup, powered by a modified Gen-4 5.0L Coyote™ V8 engine delivering 500 horsepower and 418 lb-ft of torque. Built as a street-legal, track-focused evolution of the previous generation's Mach 1, it bridges the gap between the standard GT and Ford's extreme race cars.Core Performance SpecsEngine: Gen-4 5.0L Coyote V8 (Naturally Aspirated).Output: 500 hp / 418 lb-ft of torque (US spec) (Note: UK/EU models are tuned to 453 PS due to local emissions regulations).Transmission: Standard TREMEC® 6-speed manual with rev-matching or an optional 10-speed automatic.Acceleration: 0–62 mph (0–100 km/h) in 4.4 seconds.