You can call it a vehiclist
The word 'racers' is a noun, the plural form of the noun 'racer', a word for someone who drives racing cars at high speeds or a fast car that competes in races; a word for a person and a thing.
I'd have a few select names that would be in violation of WikiAnswers' terms of use if I posted them, but the general term is "joyrider".
USA is the country drives the most cars
Motorist.
basls
cars drive on it
Mechanic
A car mechanic.
RICH
A car collector?
He/she is called a car dealer.