Buick Regal Sportback bulb size chart
Headlight, fog, signal, and interior bulb sizes for the Buick Regal Sportback (2018 – 2019). Pick a year for the full chart, or scan the position matrix below.
Select year
2018 – 2019 Buick Regal Sportback light bulb chart
Years with the same bulb layout are grouped into columns. Cells link to bulb type pages; open a year for the full position list.