Hard to believe it was built in the beginning of the auto industry. The one, other than the Buick verson, is Mr Bean's Nemesis.
http://en.wikipedia.org/wiki/Regal_(automobile)
http://en.wikipedia.org/wiki/Reliant_Regal
http://en.wikipedia.org/wiki/Regal_(automobile)
http://en.wikipedia.org/wiki/Reliant_Regal