1991 Ferrari F40
Twin Turbo V8 / 478.0 bhp @ 7000 rpm / 425.0 ft lbs @ 4500 rpm
Top Speed 196.0 mph / 0 - 30 mph 1.6 seconds
0 - ¼ mile 11.8 seconds / 0 - 60 mph 3.8 seconds / 0 - 100 mph 8.0 seconds

F50
 

1997 F50
513.0 bhp @ 8500 rpm / 347.0 ft lbs @ 6500 rpm
Top Speed 203.0 mph / 0 - 30 mph 1.8 seconds
0 - ¼ mile 12.1 seconds / 0 - 60 mph 3.6 seconds
Lateral Acceleration 1.03g / 0 - 100 mph 8.0 seconds
 

1998 Ferrari F50 GT
V12 / 680.0 bhp @ 10500 rpm / 383.5 ft lbs @ 8000 rpm
Top Speed est 236.0 mph

        
1999 Ferrari Koenig F50
Twin Turbo V12 / 828.0 bhp @ 7500 rpm / 587.0 ft lbs @ 7000 rpm
Top Speed 231.0 mph / 0 - 60 mph 3.0 seconds
Adjustable turbo boost from interior with 3 settings 600HP, 700HP & 828HP
Lower Copression Pistons to accomidate up to .72 bar of boost.
Two new ducts near the rear spoiler ram air into the fitted intercoolers.