Recommended The Movie: Despite being numbered, Death Race 2 and 3 are prequels to 2008’s Death Race , which was based on 1975’s Death Race 2000 (produced by the great Roger Corman, who has been executive producer on the current Death Race movies). Death Race 3: Inferno picks up shortly after Death Race 2 ends.
See the article here:
Death Race 3: Inferno (Blu-ray)