Fire crews were called to Giffard Park in the early hours of Sunday morning.
Fire Crew attended a call-out to Giffard Park at around 2:55am on Sunday 14th November.
Attending the scene from Buckinghamshire Fire & Rescue Service was one appliance and crew from Newport Pagnell station.
Firefighters used one breathing apparatus and one hose reel jet to put out the car fire.
A spoeksperson for Buckinghamshire Fire and Rescue has said they suspect the fire was arson.