Is a car gray or grey?

A car can be described as gray or grey, both spellings are correct and mean same color, choice depends on regional spelling convention. In American English, car color is spelled gray car, which is standard in US, so if you are in United States or writing for American audience, use gray. In British English, including UK, Australia, Canada, India, and Commonwealth, car color is spelled grey car, which is standard in those regions, so if you are in India where British English is taught in schools, grey car is expected. Pronunciation is identical, only written form differs. For official documents like registration, spelling follows country's standard, US DMV uses gray, UK DVLA uses grey. In car manufacturer paint codes, you may see both, for example Toyota may have paint named Magnetic Gray in US market and Magnetic Grey in UK market for same shade. For resale listings, use spelling that matches your audience to appear professional. Neither spelling is wrong, both refer to color between black and white. If asking which is more common for cars, gray car is more common globally due to American English dominance in automotive industry, but grey car is more common in British-influenced countries. So answer, car can be gray or grey, choose based on your location, use gray in America, grey in Britain and India, both are correct and understood worldwide.