Keilor Downs police are investigating following a petrol drive-off in Calder Park.
A man attended a Calder Freeway service station where he filled up a Ford Courier utility with fuel on Saturday 5 November about 10.55am
Police believe the vehicle’s front registration plates do not match the car and the rear registration plate is stolen.
The utility has a distinctive tank on the rear tray.
Investigators have released images of the vehicle and a man they believe may be able to assist with their enquiries.