Honorable mention: 1991 GMC Syclone - Car & Driver got 0-60 in 4.6 Seconds (Nov '90) and later 5.3 Seconds (Sep '91), Sport Truck (Jan '91) got 4.8 seconds, Off Road magazine (Feb '91) got 4.3 Seconds (Feb '91), and Autoweek got 5.2 seconds but quoted GMC's estimate of 4.6 seconds and cited unfavorable temperature and track conditions.
Honorable mention: 9.4 seconds - 2006 Ultima GTR-720[6] - (Note: production numbers for GTR-720 are not available and the GTR's status as a "production car" is disputed.)
Honorable Mention: 391.1 km/h (240.14 mph) - McLaren F1 held the title of "worlds fastest production car" for more than a decade.
Honorable Mention: 409.9 km/h (254.76 mph) - Callaway SledgeHammer Corvette holds the record for the world's fastest street-legal car, though it's not a production vehicle.
Honorable mention: 350 km/h* (217.6 mph) - 2005 Brabus EV12 BiTurbo and Brabus Rocket (tuner cars) (350 km/h is electronically limited, but both are likely capable of higher speeds)