Chevrolet introduced a longer El Camino in 1968, based on the Chevelle station wagon/four-door sedan wheelbase (116 in (2,946 mm), overall length: 208 in (5,283 mm)); it also shared Chevelle Malibu exterior and interior trims. ... Third generation (1968–1972) Model yearTotal production 197047,707 197141,606 197257,147 2 more rows