RM Auctions: The Bruce Weiner Microcar Museum Automobile Magazine At 4 feet, 6 inches long, the P50 holds the title as the smallest production car ever built. Claimed to get 100 mpg (imperial); ... Imagine yourself in line at the DMV as the clerk tries to register somebody's Zündapp. 4. 1949 Crosley Farm-O-Road SOLD ... |