The 2003 UAW-DaimlerChrysler 400 was the third stock car race of the 2003 NASCAR Winston Cup Series season and the sixth iteration of the event. The race was held on Sunday, March 2, 2003, in North Las Vegas, Nevada at Las Vegas Motor Speedway, a 1.5 miles (2.4 km) permanent D-shaped oval racetrack. The race took the scheduled 267 laps to complete. At race's end, Matt Kenseth of Roush Racing would dominate the late stages of the race to win his seventh career NASCAR Winston Cup Series win and his first and only win of the season. To fill out the podium, Dale Earnhardt Jr. and Michael Waltrip of Dale Earnhardt, Inc. would finish second and third, respectively.