petrolhead

noun4

1. •
   (informal, disapproving) A bogan who is overly fond of their car or motorbike and enjoys showing it off and making noise with it.

   • There were four of them, old-style petrolheads, with greasy jeans and leather jackets. Each had a rifle trained on the pair. They looked barely out of their teens. — 2000
2. •
   (Commonwealth, informal) A person involved in motor racing as either participant or dedicated spectator.
3. •
   (UK, informal) A car enthusiast.
4. •
   (informal) A person who is overly reliant on the use of their car, resisting any suggestion to use other means of transport.