- Buying the car
- Insurance (mandatory sometimes)
- Repairs
- Long term parking spot (garage)
- Street parking
- parking tickets (sorta)
- Fuel
- Windshield wiper fluid
- Oil change
- car cleaning (sometimes)
- Wheels (seasonal)
Anything else?
Indirectly: The burden on the environment, and if you drive long distances every day, your mental and physical health.
Car tax is one of the biggest expenses. May not exist in all countries though. Otherwise fuel, insurance and the bi-yearly or yearly mandatory checks.