The 2023 Quaker State 400 was a NASCAR Cup Series race held on July 9, 2023, at Atlanta Motor Speedway in Hampton, Georgia.
The frontstretch and backstretch were swapped, and the configuration of the track was changed from oval to quad-oval.
Aric Almirola scored the pole for the race with a time 31.261 of and a speed of 177.346 mph (285.411 km/h).
Rick Allen, Jeff Burton, Steve Letarte, and 2004 Atlanta winner Dale Earnhardt Jr. called the race from the broadcast booth.
On pit road, PRN was manned by Brad Gillie, Brett McMillan, Doug Turnbull and Wendy Venturini.