2025 Mustang Gt Hp Review. At our test track, a mustang gt with the performance exhaust system ripped to 60 mph in 4.2 seconds; This engine barks and roars its way to 60 mph in just 4.0.

The ecoboost wasn’t too far behind, hitting 60 mph in 4.5 seconds. In gt versions, it’s rated at 480 hp (or 486 hp with an optional performance exhaust system).