- Bentley Onyx LC9X2014–2024Also sold as Deep Black Perleffekt · Black
- Citroen Onyx AC4201969
- Dodge Onyx B1993–1994 · Viper, Sprint, Colt, Vista, Stealth
- Lotus Onyx A121983–1987
- Mercury Onyx A (1964)1964
- Mercury Onyx A (1965-1966)1965–1966
- Mercury Onyx A (1967)1967
- Nissan Onyx GL11986–1996 · Maxima, Sentra, Stanza, 200SX, 300ZXAlso sold as Black · Midnight Black
- Subaru Onyx 2221992–1994Also sold as Dark Gray Metallic · Dark Gary Metallic