It follows a robbery in South Wales last week.
The group of four demanded cash from a man in Swansea before driving off in his convertible Mercedes.
It happened on Wednesday 2nd September and police believe 2 of the men, who are all believed to be Polish, may now be in Exeter.
Officers are looking in particular for a 28-year old man called Konrad Kolbuszeusk and a white Vauxhall Zafira.
Newton Abbot leisure centre could be relocated to make way for housing.
Body found in Bideford fire investigation
Three teenagers currently on bail
Royal Clarence Hotel redevelopment to start
Work to start on historic city centre building
Road closures for Tar Barrels event
Organisers list road closures and residents-only access.
More redundancies at Devon shipbuilder
Redundancies could include managerial roles.
Devon's fire service change alarm response
Changes could save hundreds of thousands of pounds.
