Tatra 603

Manufactured and marketed from 1956 to 1975 by the Czechoslovak company Tatra, the 603 was a large rear-engined luxury car and often used to transport high ranking officials in communist Czechoslovak. It had an odd body shape that made it kind of a London cab crossed with a spider.

Apart from the above list, some of the ugliest cars also include Ford Pinto, Subaru Brat, Aston Martin Lagonda, AMC Matador, 1977 Lincoln Versailles, 2010 Acura ZDX, 1985 Cadillac Deville, etc.