Choose the factory headlight system below to see the correct bulb and recommendation path for this 2006 Toyota Prius.
Choose the factory system installed in this vehicle. Bulb sizes and recommendations change with that selection.
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: 9003 / H4
High/Low Beam Combined 9003 / H4
The Night Breaker 200 is the top standard-wattage reflector recommendation at the time of review. Anything scoring higher in the reflector chart uses much higher wattage, while the NB200 keeps the simple drop-in halogen format.
General BulbFacts housing testA matching bulb size identifies fitment; it does not by itself prove optical compatibility or make a conversion a vehicle-specific recommendation.
Support independent testing: BulbFacts may earn a commission from qualifying purchases through these links, at no extra cost to you. Affiliate relationships do not determine test results or recommendations.
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: D2R
High/Low Beam Combined D2R
The DDM Ultra Xenon is the value pick because the 5500K version delivers strong low-beam performance at a much lower price than the major premium brands.
General BulbFacts housing testA matching bulb size identifies fitment; it does not by itself prove optical compatibility or make a conversion a vehicle-specific recommendation.
Support independent testing: BulbFacts may earn a commission from qualifying purchases through these links, at no extra cost to you. Affiliate relationships do not determine test results or recommendations.
Available exterior and interior lighting data for this model year.
Fitment, factory-system research, and BulbFacts product tests remain separate evidence. A matching bulb size does not by itself make a conversion a vehicle-specific recommendation.
| Position | Bulb or system | Evidence status |
|---|---|---|
| High/Low Beam CombinedLighting: halogen | 9003 / H4 | Likely fitment |
| High/Low Beam CombinedLighting: HID | D2R | Likely fitment |
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.
