The red vehicles was taken from the remote property between Thursday and Saturday and an unusual vehicle was seen in the area.
Constable Natalie Wilson at Lockerbie said: “We are keen to hear from anyone who may have seen anything suspicious in the Corrie area over Thursday to Saturday.
“In particular we are keen to trace the occupants of a car which is described as being either a Mini Countryman or a Nissan Quashqai car which is a 64 or 65 plate with the letters LZR in in the registration.
“This car was seen near the scene of the theft at around 11.30 pm hours on Friday November 4.
“Anyone with any information should call us at Lockerbie on 101.”