The 2018 O'Reilly Auto Parts Challenge was the 31st stock car race of the 2018 NASCAR Xfinity Series season, the second race in the Round of 12, and the 18th iteration of the event. The race was held on Saturday, November 3, 2018, in Fort Worth, Texas at Texas Motor Speedway, a 1.5 miles (2.4 km) permanent tri-oval shaped racetrack. The race took the scheduled 200 laps to complete. A wild finish would see Cole Custer of Stewart-Haas Racing with Biagi-DenBeste best JR Motorsports driver Tyler Reddick with a last-lap pass on the backstretch to win his second career NASCAR Xfinity Series race, his first and only win of the season, and a guaranteed spot in the Championship 4. To fill out the podium, Austin Cindric of Team Penske would finish third.