Major Collision Investigation Unit detectives are investigating a fatal collision in Pakenham yesterday afternoon.
It is understood a silver Audi, believed to be stolen, collided with a Subaru station wagon on Princes Highway near Windermere Boulevard just after 4pm.
The Audi then rolled and struck nearby trees and a power pole.
The front seat passenger of the Audi, a 16-year-old Cranbourne East boy, was taken to hospital where he sadly died.
The driver of the Audi, a 16-year-old Pakenham boy, was transported to hospital with life-threatening injuries.
The rear seat passenger of the Audi, a 15-year-old Pakenham boy, was taken to hospital with non-life-threatening injuries.
Police are investigating reports the Audi was seen driving erratically on the Princess Highway prior to the collision.
It is believed the Audi was stolen during an aggravated burglary in Cranbourne North on Sunday, 17 November.
Anyone who witnessed the collision or has dashcam/CCTV footage of the vehicle on the Princes Highway prior to the incident is urged to contact Crime Stoppers on 1800 333 000 or visit www.crimestoppersvic.com.au