Buick Regal Sportback Bulb Size Guide | Exterior & Interior Lights

What is the correct light bulb size for Buick Regal Sportback? It is a popular question as Buick Regal Sportback lamps tend to fade out and dim off over time due to the limited life span.

Our comprehensive chart will guide you through Buick Regal Sportback light bulb sizes for all interior and exterior lamp types like headlights, fog lights, turn signals, brake lights, tail lights, license plate, dome lights, trunk lights and many more.

You will learn how to upgrade Buick Regal Sportback with LED lights or install HID headlight conversion instead of spending countless hours trying to figure out the needed light bulb size.