Chevy Oldsmobile Pontiac GM Body Code's

1961-65 Body Codes
A-Body
Buick: 1964-65 Special, Skylark, Sportwagon
Chevrolet: Chevelle, Malibu/Malibu SS, El Camino
Oldsmobile: 1964-65 F-85/Cutlass, Vista Cruiser
Pontiac: 1964-65 Tempest, LeMans, GTO
B-Body
Buick: LeSabre, 1965 LeSabre Custom, Invicta, 1962-65 Wildcat
Chevrolet: Biscayne, Bel Air, Impala/Impala SS
Oldsmobile: Eighty-Eight, Starfire, Jetstar
Pontiac: Catalina, Star Chief, Bonneville, Ventura, Grand Prix
C-Body
Buick: Electra/Electra 225
Cadillac: Series 60 Special, Fleetwood/Fleetwood 60 Special, Deville, Calais, Eldorado, Series 6200
Oldsmobile: Ninety-Eight
D-Body
Cadillac: Fleetwood 75/Series 6700 Fleetwood 75
E-Body
Buick: Riviera
X-Body
Chevrolet: Chevy II, Nova/Nova SS
Y-Body
Buick: Special (1961-63), Skylark (1962-63)
Oldsmobile: F-85 (1961-63), Jetfire (1962-63)
Pontiac: 1961-63 Tempest/LeMans

1966-70 Body Codes
A-Body
Buick: Special, Skylark, Sportwagon
Chevrolet: Chevelle, Malibu/Malibu SS, El Camino
Oldsmobile: F-85 and Cutlass, Vista Cruiser
Pontiac: Tempest, LeMans, GTO
B-Body
Buick: LeSabre, Wildcat
Chevrolet: Biscayne, Bel Air, Impala/Impala SS, Caprice
Oldsmobile: Eighty-Eight, Starfire, Jetstar
Pontiac: Catalina, Star Chief Executive, Bonneville, 1966-68 Grand Prix
C-Body
Buick: Electra/Electra 225
Cadillac: Fleetwood/Fleetwood 60 Special, Deville, Calais
Oldsmobile: Ninety-Eight
D-Body
Cadillac: Fleetwood 75
E-Body
Buick: Riviera
Cadillac: Eldorado
Oldsmobile: Toronado
F-Body
Chevrolet: Camaro
Pontiac: Firebird
G-Body
Chevrolet: 1970 Monte Carlo
Pontiac: 1969-70 Grand Prix
X-Body
Chevrolet: Chevy II, Nova/Nova SS

1971-75 Body Codes
A-Body
Buick: Skylark and Century, Regal, Sportwagon
Chevrolet: Chevelle, Malibu, Laguna, Monte Carlo
Oldsmobile: F-85 and Cutlass
Pontiac: Tempest, LeMans, Grand Am, 1971-72 GTO, Grand Prix
B-Body
Buick: LeSabre and Centurion
Chevrolet: Biscayne, Bel Air, Impala, Caprice
Oldsmobile: Delta Eighty-Eight
Pontiac: Catalina, Bonneville, Grand Ville
C-Body
Buick: Electra 225
Cadillac: Fleetwood Brougham, Deville, Calais
Oldsmobile: Ninety-Eight
D-Body
Cadillac: Fleetwood 75
E-Body
Buick: Riviera
Cadillac: Eldorado
Oldsmobile: Toronado
F-Body
Chevrolet: Camaro
Pontiac: Firebird
H-Body
Buick: Skyhawk
Chevrolet: Vega, Monza
Oldsmobile: Starfire
Pontiac: Astre
X-Body
Chevrolet: Nova
Pontiac: Ventura, 1974-75 GTO

1976-80 Body Codes
A-Body
Buick: Century (1976-77), Regal
Chevrolet: Malibu and Laguna, Monte Carlo
Oldsmobile: Cutlass
Pontiac: LeMans and Grand Am, Grand Prix
B-Body
Buick: LeSabre, 1977-78 Riviera
Chevrolet: Impala, Caprice
Oldsmobile: Delta Eighty-Eight
Pontiac: Catalina and Bonneville
C-Body
Buick: Electra/Electra 225
Cadillac: Fleetwood Brougham, Deville, Calais
Oldsmobile: Ninety-Eight
D-Body
Cadillac: 1976 Fleetwood 75, 1977-80 Fleetwood Limousine
E-Body
Buick: Riviera (1976 RWD, 1979-80 FWD)
Cadillac: Eldorado
Oldsmobile: Toronado
F-Body
Chevrolet: Camaro
Pontiac: Firebird
H-Body
Buick: Skyhawk
Chevrolet: Vega, Monza
Oldsmobile: Starfire
Pontiac: Astre, Sunbird
X-Body
Buick: Skylark (1976-79 RWD, 1980 FWD)
Chevrolet: Nova (1976-79), Citation (1980)
Oldsmobile: Omega (1976-79 RWD, 1980)
Pontiac: Ventura (1976-77), Phoenix (1977-79 RWD, 1980 FWD)

1981-85 Body Codes
A-Body
Buick: 1981 Century and Regal
Chevrolet: 1981 Malibu, El Camino, Monte Carlo, 1982-85 Celebrity
Oldsmobile: 1981 Cutlass, 1982-85 Ciera
Pontiac: LeMans, 1981 Grand Prix
B-Body
Buick: LeSabre
Chevrolet: Impala, Caprice Classic
Oldsmobile: Delta Eighty-Eight
Pontiac: 1981 Catalina, Bonneville, Grand Safari, 1982-85 Parisenne
C-Body
Buick: Electra
Cadillac: Fleetwood/Fleetwood Brougham and Deville (all models to 1983), 1985 Fleetwood Limousine
Oldsmobile: Ninety-Eight
D-Body
Cadillac: 1984-85 Deville and Fleetwood Brougham, 1981-84 Fleetwood Limousine
E-Body
Buick: Riviera
Cadillac: Eldorado
Oldsmobile: Toronado
F-Body
Chevrolet: Camaro
Pontiac: Firebird
G-Body (1982-85)
Buick: Regal
Chevrolet: Malibu, El Camino, Monte Carlo
Oldsmobile: Cutlass
Pontiac: Bonneville and Grand Prix
J-Body (1982-85)
Buick: Skyhawk
Cadillac: Cimarron
Chevrolet: Cavalier
Oldsmobile: Firenza
Pontiac: J2000 and Sunbird