What is the fewest number of cars to finish a NASCAR race?

The fewest number of cars to finish a NASCAR race is seven. Only seven drivers out of 32 finished the 1966 Southeastern 500. Dick Hutcherson, who drove the No. 29 car, won the race.

The race took place on Sunday, March 20, 1966, in Bristol, Tennessee, and 25,000 people were in attendance. The average speed of the cars that day was 69.952 mph, while the pole speed was 86.248 mph.

David Pearson was the pole-sitter. While Pearson led the most laps that day, Hutcherson won the race. The Southeastern 500 was NASCAR Grand National race No. 7 of 49. The race lasted just over three and a half hours.