Thieves stole three vehicles from the district in just two days.
Nurse Catherine Ball, 49, of Poplar Grove, Burnham, woke last Wednesday to find her new £9,000 silver Ford Fiesta, registration RV60 XKL, missing from the driveway.
Police are also investigating the theft of a white Transit van, registration BKW0 9WL, in Lower Burnham Road, Latchingdon.
It was taken between 10.30pm last Tuesday and 1.30am the next day.
A white Mercedes C180 was taken from Washington Road, Maldon between 8pm last Tuesday and 6.15am the next day.
It was later found burnt out in Warwick Crescent, Maldon.
Anyone with any information should call Maldon Police Station on 101.