West Sussex Fire and Rescue Service was called to the incident on the A2032 Littlehampton Road today, December 17, at around 1.20am.
One person was treated for minor smoke inhalation.
A cloud of smoke billowing from the car (Image: Sussex News and Pictures) The fire is thought to have been started accidentally.
Pictures show smoke billowing from the car with its bonnet alight.
A spokeswoman for West Sussex Fire and Rescue Service said: “Upon arrival firefighters wearing breathing apparatus quickly got to work to extinguish the fire, which was of accidental ignition, using hose reels and thermal imaging cameras.”