Fire crews were called to Lane Ford on Pinjarra Road to extinguish a big blaze on Wednesday afternoon.
The alarm was raised about 2.20pm with a vehicle in the caryard’s workshop engulfed in flames.
Mandurah fire crews called for back up with thick black smoke blanketing the area at the peak of the emergency.
There were no reports of critical casualties, although one man is understood to have been taken to hospital.
The fire was contained within the hour.
Investigations are under way.