Airedale and North Bradford police are appealing for witnesses to a road traffic collision, which happened at 12.40pm on Tuesday 17th May 2011 at the junction of Bingley Road and Hillings Lane, Menston.
A silver Porsche Carrera collided with a stone wall and the occupants made off from the vehicle.
The car had previously been reported as stolen earlier in the day in a burglary in Gilstead, Bingley.
Detectives are keen trace a member of the public who spoke with a uniformed police officer on Thorpe Lane having seen people running through the fields.
They would urge that person or any anyone else who may have witnessed the accident to contact Airedale and North Bradford CID on 01535 617085.