petrolhead

/P EH1 T R OW0 L HH EH0 D/
noun
  1. 1

    A person who is overly reliant on the use of their car, resisting any suggestion to use other means of transport.

  2. 2

    A bogan who is overly fond of their car or motorbike and enjoys showing it off and making noise with it.

  3. 3

    A person involved in motor racing as either participant or dedicated spectator.

  4. 4

    A car enthusiast.

Source: https://en.wiktionary.org/wiki/petrolhead