Oldtimer Galerie Toffen, Switzerland
Not strictly speaking a motor museum, but as the name suggests, a 'galerie' of classic motor cars. The exhibits are for sale and there are usually around 100 cars in stock. Auctions are held regularly.
The address is: Oldtimer Galerie Toffen, Gurbelstrasse 1, CH-3125 Toffen.
Web site: www.oldtimergalerie.ch