One crew from West Ashland attended.
One car was well alight when they arrived, with the fire effecting three other vehicles.
The incident generated multiple calls to Thames Valley Police.
The firefighters used one set of breathing apparatus and two hose reel jets.
The car which was involved in the initial fire was 100 per cent damaged. Two further cars were around 50 per cent damaged by fire, and the fourth around 30 per cent damaged by fire.
Thames Valley Police also attended.