The 1983 Pepsi Challenge 200 was a Grand American Stock Car Series event held at Nashville Speedway USA on August 6, 1983. It was the season and ultimately series finale. The series morphed into the All-American Challenge Series for the 1984 season. Mike Alexander ended the series on a personal high note, grabbing his third straight victory and claiming the championship. Jerry Sisco was the runner-up with Jody Ridley, Tony Cunningham, and local native Sterling Marlin rounding out the top-five.