Watch: Stolen Porsche in flames near Watt Rd, Kialla

When he went to see if he could help, Mr Irwin instead saw a car fully alight at Riverview Dve, just off Watt Rd.

Police said the Porsche had been stolen from Echuca and two people were allegedly seen running from it.

Fire Rescue Victoria firefighters put out the blaze and police are investigating.

Anyone who witnessed the fire or the lead up to it should call Detective Senior Constable Scott Begbie at Shepparton Crime Investigation Unit on 5820 5777 or Crime Stoppers on 1800 333 000 or crimestoppersvic.com.au.