1991 Life Grand Prix of Western United States

The 1991 Life Grand Prix of Western United States was held at Caesars Palace on May 26, 1991. Nobuhiko Yazaki won his first Grand Prix after his team-mate Yuki Yoshino was banned for the remainder of the season for dangerous driving in the previous race and replaced by Eddie Pulaski. This race also featured the first non-European podium in the history of Life GP, with Will Roberts and Marky Howard finishing in second and third respectively.