The 2018 AAA Texas 500 was a Monster Energy NASCAR Cup Series race that was held on November 4, 2018, at Texas Motor Speedway in Fort Worth, Texas. Contested over 337 laps – extended from 334 laps due to an overtime finish – on the 1.5-mile (2.4-kilometre) intermediate quad-oval, it was the 34th race of the 2018 Monster Energy NASCAR Cup Series season, the eighth race of the Playoffs, and the second race of the Round of 8.