2021 Audi Q3 Bulb Size

Decision: This page compiles a bulb size chart intended to help you identify compatible replacement lamps for a 2021 Audi Q3, so you can choose parts with confidence. Constraints: model variations, factory options, and lighting packages create evidence gaps that mean a single part number may not fit every trim or region. Options: the list compares common OEM and aftermarket choices for headlights, turn signals, brake lights, and fog lamps, noting typical fitments and any notable limitations. Comparison: the chart is arranged so you can contrast bulb types side by side and interpret likely compatibility before purchase, reducing trial-and-error. Recommendation: verify the chart against your owner’s manual and vehicle inspection before ordering. Affiliate disclaimer: some links on this page are affiliate links, and I may earn a commission if you buy through them at no extra cost to you. Risks: selecting the wrong bulb can reduce visibility or violate local regulations, which is the primary practical risk to consider.