A 72-year-old man was taken to Peel Health Campus after his car rolled down an embankment and caught fire in Dawesville.
About 9.40pm on Thursday, the man allegedly lost control of his vehicle in Dawesville on Old Coast Road, near The Cut Golf Course.
The front end of the car caught fire.
Emergency crews from Mandurah and Falcon attended the scene to control the blaze.
The man – who was helped out of the car by passersby – sustained minor injuries.