Speed Racer Movie Mach 4 The Mach 4 is a vehicle featured in the Speed Racer franchise, most prominently in the 2008 live-action film as the car driven by <PERSON> before his death. This vehicle is the predecessor of the Mach 5 and the Mach Muscle Cars, Speed Racer, Unique Cars, Top Cars, Amazing Cars, Awesome, Fast Cars, Concept Cars, Custom Cars