The 1998 NAPA Autocare 500 was the 27th stock car race of the 1998 NASCAR Winston Cup Series season and the 50th iteration of the event. The race was held on Sunday, September 27, 1998, in Martinsville, Virginia at Martinsville Speedway, a 0.526 miles (0.847 km) permanent oval-shaped short track. The race took the scheduled 500 laps to complete. Battling immense heat, Rudd Performance Motorsports driver Ricky Rudd would manage to dominate the late stages of the race to take his 20th career NASCAR Winston Cup Series victory and his only victory of the season. To fill out the podium, Hendrick Motorsports driver Jeff Gordon and Roush Racing driver Mark Martin would finish second and third, respectively.