In the realm or purely possible, yes you could use a heli radio for a car. you would only need 2 or three of the channels, and the reciever would probobly dominate the interior of the car, but it could be done. is ti legal? that you would have to look into for your country.

www.towerhobbies.com is great about letting you know what you will need to complete a kit. there is a link on each kit page called required accesories, or something like that. tells you everything you need to know.