Buick Regal TourX Light Bulb Size Chart

The Buick Regal TourX uses light bulb sizes including H7, H8, 12961, 7440, and 921. A replacement chart covers 2018 to 2020 model years across 11 lighting locations. Each location entry specifies applicable model years and corresponding bulb size.

Select a light bulb location for Buick Regal TourX to view detailed replacement information.