The 2003 UAW-GM Quality 500 was the 31st stock car race of the 2003 NASCAR Winston Cup Series season and the 44th iteration of the event. The race was held on Saturday, October 11, 2003, before a crowd of 160,000 in Concord, North Carolina, at Lowe's Motor Speedway, a 1.5 miles (2.4 km) permanent quad-oval. The race took the scheduled 334 laps to complete. At race's end, Tony Stewart, driving for Joe Gibbs Racing, would make a late race pass on Penske Racing South driver Ryan Newman with eight to go to win his 17th career NASCAR Winston Cup Series victory and his second and final win of the season. To fill out the podium, Ryan Newman and Hendrick Motorsports driver Jimmie Johnson would finish second and third, respectively.