Factory bulb sizes and relevant BulbFacts-tested replacement evidence for the 2023 Cadillac XT6.
Source-listed fitment data supplied by CarBulbGuide. Confirm the installed bulbs and configuration before ordering.
These products were physically tested by BulbFacts, but the tests were not performed in this exact vehicle unless a card explicitly says otherwise.
High/Low Beam Combined: 9012 / HIR2
High/Low Beam Combined 9012 / HIR2
The SilverStar Ultra sits just behind the Night Breaker 200 among normal-wattage reflector picks, but it remains a strong practical choice because it is easy to find and has a whiter beam appearance than many basic halogen bulbs.
High/Low Beam Combined 9012 / HIR2
The glare-control recommendation for reflector housings, and also the easiest pick when your vehicle needs an LED that can properly dim for DRL use.
High/Low Beam Combined 9012 / HIR2
The Morimoto XB Elite remains the premium performance benchmark from the current HID recommendations. It tested as one of the strongest 35W projector-focused HID kits and is the better fit when you want a complete, higher-quality conversion kit instead of a generic marketplace option.
A matching bulb size identifies fitment; it does not by itself prove optical compatibility or make a conversion a vehicle-specific recommendation. Use the LED upgrade path only with a reflector housing and confirm beam pattern and glare after installation. Use the HID upgrade path only with a projector housing; it is not a reflector-housing recommendation.
Confirm the installed bulb, connector, housing, and factory system before ordering.
| Position | Bulb or system | Fitment status |
|---|---|---|
| High/Low Beam CombinedLighting: halogen | 9012 / HIR2 | Bulb size confirmed |
Fitment note: Verify the installed bulb, connector, housing, and factory system before ordering. A bulb-size match is not automatically a conversion recommendation or proof of vehicle-specific testing.
