Does my bumper look big in this?
The fitting room is in a curtained-off area on a south London dealership's forecourt. It features a turntable on which the car is placed and three giant mirrors, so car buyers can admire themselves from every angle.
Chevrolet's Susan Kalair said: 'With 95% of motorists saying they have no idea what they look like in their car, we think it could prove a drive-away hit.'
If the scheme is a success, Chevrolet has said it will extend its use to other dealerships.