The 1991 Budweiser 500 was the 11th stock car race of the 1991 NASCAR Winston Cup Series and the 23rd iteration of the event.

At race's end, Hendrick Motorsports driver Ken Schrader, after making a late-race pass for the lead with 78 laps to go in the race, would manage to hold onto the lead for the rest of the race to take his fourth and to date, final career NASCAR Winston Cup Series victory and his second and final victory of the season.

In addition to NASCAR, the track also hosted USAC and the NTT IndyCar Series.

For this specific race, positions 21-40 would be decided on time,[4] and depending on who needed it, a select amount of positions were given to cars who had not otherwise qualified but were high enough in owner's points; up to two provisionals were given.

Michael Waltrip, driving for Bahari Racing, would win the pole, setting a time of 25.106 and an average speed of 143.392 miles per hour (230.767 km/h) in the first round.