Question To register a vehicle in New Jersey, you must be age ____ or older. Answers 17 25 18 21 Explanation To register a motor vehicle in New Jersey, you must be at least 17 years old. You must have proof of identity and proof of vehicle ownership. Pass your DMV Written Test with flying colors Take me to the cheat sheet New Jersey This questions appears in the following tests: New Jersey Practice Test 28 New Jersey Practice Test 12