Thieves broke into a house in a village near Northampton and stole the car keys.
Burglars got into the house in Meadow Lane, Little Houghton, at the weekend via a window and stole the keys to the car - a Mazda 6.
They then took the 5-door saloon with distinctive grey alloy wheels. The registration is PA03 ANG,
A Bose solo 5 TV sound system was also stolen in the burglary, which happened overnight between Saturday, June 25 and Sunday, June 26.
Police would like to speak to anybody who was aware of any suspicious activity in Little Houghton at the weekend or anybody who has seen the stolen car.
Witnesses or anyone with information can contact police on 101 or Crimestoppers, anonymously, on 0800 555 111.