Two cars burned at Firle

South Australia police are investigating two car fires at Firle late last night.

Emergency services and police officers were called to the fires, which were burning side by side on Sullivan Street at Firle.

Metropolitan Fire Service firefighters put out the fires and early investigations have suggested they are suspicious, according to police.

Any members of the public with information about the fires have been asked to contact Crimes Stoppers on 1800 333 000 or visit online at https://sa.crimestoppers.com.au