1982 Buick Regal coupe, 1982 Buick Regal Difference between 1982 Buick Regal Sport Coupe Limited Grand National Sport Coupe, 1982 Buick Regal Limited, 1982 Buick Regal Sedan, 1982 Buick Regal Estate Wagon, 1982 Buick Regal Grand National. The 1982 Buick Regal, a nameplate that evokes images of sleek lines and, for some, muscular performance than