POV test drive video of the 2018 Ford Mustang GT Convertible 5.0 V8. The 2018 Ford Mustang Convertible has a 5.0i petrol engine that delivers 450 hp and 529 Nm of max. torque. The Ford Mustang GT V8 goes from 0-100 km/h in 4,3 sec and has top speed of 249 km/h. The Mustang 5.0 V8 has a 10-speed automatic transmission and has rear wheel drive.