At 8.30pm on August 11, a man drove a red Toyota into Budgens in Crudwell Road and filled up with just over £60 of fuel. He then left without making payment.
The vehicle is believed to have been on cloned plates.
CCTV images of the man that police like to speak to in connection with the incident and the vehicle involved are attached.
If you recognise this man or have any information on the car then please call police on 101 and quote crime reference number 54180075712.