Model year production was curtailed by labor disputes and peaked at 188,537 units. The new models were introduced September 29, 1970. For the first time ever, Cadillac built cars outside of Detroit, Michigan. Some 1971 Coupe and Sedan DeVilles were built at a GM Assembly Division (GMAD) factory in Linden, New Jersey. Sales, for calendar 1971, hit a new high of 267,868 units. Hints of a forthcoming downsized Cadillac line were heard in Detroit.
For 1971, there were five models: Calais (two-door hardtop coupe and four-door hardtop sedan), DeVille (two-door coupe and four-door hardtop sedan), Fleetwood Sixty-Special (four-door brougham), Fleetwood Seventy-five (four-door sedan, four-door limousine, and commercial chassis used in hearses and ambulances, etc.), and Fleetwood Eldorado (two-door hardtop coupe and two-door convertible)