2018 Auto Club 400

The 2018 Auto Club 400 was a Monster Energy NASCAR Cup Series race that was held on March 18, 2018, at Auto Club Speedway in Fontana, California. Contested over 200 laps on the two-mile (3.2 km) D-shaped oval, it was the fifth race of the 2018 Monster Energy NASCAR Cup Series season.

2018 Auto Club 400

The 2018 Auto Club 400 was a Monster Energy NASCAR Cup Series race that was held on March 18, 2018, at Auto Club Speedway in Fontana, California. Contested over 200 laps on the two-mile (3.2 km) D-shaped oval, it was the fifth race of the 2018 Monster Energy NASCAR Cup Series season.