For 2001, Lazier drove the No. 91 Dallara IR01-Oldsmobile for Hemelgarn Racing. At the season-opening Pennzoil Copper World Indy 200 at Phoenix, Lazier started in 6th place and finished in 3rd place. At the Infiniti Grand Prix of Miami at Homestead-Miami Speedway, Lazier started in 3rd place and finished in 20th place, after crashing on lap 177 in turn 4. At the following race, the zMax 500 at Atlanta, Lazier started in 9th place and finished in 6th place, one lap down. At the Indianapolis 500, Lazier gained additional sponsorship from Life Fitness for the race and qualified in 10th place. In the race, Lazier came into the pits after 9 laps saying that his engine was running on only seven cylinders. Lazier would eventually rejoin the race and finished in 18th place, eight laps down.