Cadillac Eldorado Engines by Year

The Eldorado began as a 1953 limited-edition convertible and became Cadillac's personal luxury car. It switched to front-wheel drive for 1967, carried the 500 V8 in the early 1970s, was downsized for 1979 and 1986, and ended with the Northstar V8 in 2002. The Seville has its own page. Ratings are gross through 1971 and SAE net from 1972.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

1953: 1953

1954–1956: 1954 · 1955 · 1956

1957–1958: 1957 · 1958

1959–1960: 1959 · 1960

1961–1962: 1961 · 1962

1963–1964: 1963 · 1964

1965–1966: 1965 · 1966

Front-drive (1967–1970): 1967 · 1968 · 1969 · 1970

1971–1978: 1971 · 1972 · 1973 · 1974 · 1975 · 1976 · 1977 · 1978

1979–1985: 1979 · 1980 · 1981 · 1982 · 1983 · 1984 · 1985

1986–1991: 1986 · 1987 · 1988 · 1989 · 1990 · 1991

1992–2002: 1992 · 1993 · 1994 · 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002

1953

The 331.

1953 Eldorado engines

Engine	Rated	Offered in
331 V8	210 hp gross	Eldorado convertible

1954–1956

The 331 and 365.

1954 Eldorado engines

Engine	Rated	Offered in
331 V8	230 hp gross	Eldorado convertible

1955 Eldorado engines

Engine	Rated	Offered in
331 V8	270 hp gross	Eldorado convertible

1956 Eldorado engines

Engine	Rated	Offered in
365 V8	305 hp gross	Eldorado Biarritz, Eldorado Seville

1957–1958

The 365.

1957 Eldorado engines

Engine	Rated	Offered in
365 V8	325 hp gross	Eldorado Biarritz, Eldorado Seville, Eldorado Brougham

1958 Eldorado engines

Engine	Rated	Offered in
365 V8	335 hp gross	Eldorado Biarritz, Eldorado Seville, Eldorado Brougham

1959–1960

The 390.

1959 Eldorado engines

Engine	Rated	Offered in
390 V8	345 hp gross	Eldorado Biarritz, Eldorado Seville, Eldorado Brougham

1960 Eldorado engines

Engine	Rated	Offered in
390 V8	345 hp gross	Eldorado Biarritz, Eldorado Seville, Eldorado Brougham

1961–1962

The 390.

1961 Eldorado engines

Engine	Rated	Offered in
390 V8	325 hp gross	Eldorado Biarritz convertible

1962 Eldorado engines

Engine	Rated	Offered in
390 V8	325 hp gross	Eldorado Biarritz convertible

1963–1964

The 390 and 429.

1963 Eldorado engines

Engine	Rated	Offered in
390 V8	325 hp gross	Eldorado Biarritz convertible

1964 Eldorado engines

Engine	Rated	Offered in
429 V8	340 hp gross	Eldorado Biarritz convertible

1965–1966

The 429.

1965 Eldorado engines

Engine	Rated	Offered in
429 V8	340 hp gross	Fleetwood Eldorado

1966 Eldorado engines

Engine	Rated	Offered in
429 V8	340 hp gross	Fleetwood Eldorado

Front-drive (1967–1970)

The 429, 472 and 500.

1967 Eldorado engines

Engine	Rated	Offered in
429 V8	340 hp gross	Fleetwood Eldorado

1968 Eldorado engines

Engine	Rated	Offered in
472 V8	375 hp gross	Fleetwood Eldorado

1969 Eldorado engines

Engine	Rated	Offered in
472 V8	375 hp gross	Fleetwood Eldorado

1970 Eldorado engines

Engine	Rated	Offered in
500 V8	400 hp gross	Fleetwood Eldorado

1971–1978

The 500 and 425.

1971 Eldorado engines

Engine	Rated	Offered in
500 V8	365 hp gross	Fleetwood Eldorado coupe, Fleetwood Eldorado convertible

1972 Eldorado engines

Engine	Rated	Offered in
500 V8	235 hp net	Fleetwood Eldorado coupe, Fleetwood Eldorado convertible

1973 Eldorado engines

Engine	Rated	Offered in
500 V8	235 hp net	Fleetwood Eldorado coupe, Fleetwood Eldorado convertible

1974 Eldorado engines

Engine	Rated	Offered in
500 V8	210 hp net	Fleetwood Eldorado coupe, Fleetwood Eldorado convertible

1975 Eldorado engines

Engine	Rated	Offered in
500 V8	190 hp net	Fleetwood Eldorado coupe, Fleetwood Eldorado convertible
500 V8	215 hp net	Fleetwood Eldorado (option)

1976 Eldorado engines

Engine	Rated	Offered in
8.2L / 500 V8	190 hp net	Fleetwood Eldorado coupe, Fleetwood Eldorado convertible
8.2L / 500 V8	215 hp net	Fleetwood Eldorado (option)

1977 Eldorado engines

Engine	Rated	Offered in
7.0L / 425 V8 (L35)	—	Eldorado (option)
7.0L / 425 V8 (L33)	180 hp net	Fleetwood Eldorado, Eldorado Biarritz

1978 Eldorado engines

Engine	Rated	Offered in
7.0L / 425 V8 (L33)	180 hp net	Fleetwood Eldorado, Eldorado Biarritz

1979–1985

The 350, 368, V8-6-4, V6, HT4100 and diesel.

1979 Eldorado engines

Engine	Rated	Offered in
5.7L / 350 V8 diesel (LF9)	125 hp net	Eldorado (option)
5.7L / 350 V8	170 hp net	Eldorado, Eldorado Biarritz

1980 Eldorado engines

Engine	Rated	Offered in
5.7L / 350 V8	—	Eldorado (California)
5.7L / 350 V8 diesel (LF9)	105 hp net	Eldorado (option)
6.0L / 368 V8 (L61)	145 hp net	Eldorado, Eldorado Biarritz

1981 Eldorado engines

Engine	Rated	Offered in
4.1L / 252 V6 (LC4)	125 hp net	Eldorado (credit option)
5.7L / 350 V8 diesel (LF9)	105 hp net	Eldorado (option)
6.0L / 368 V8 (L62)	—	Eldorado, Eldorado Biarritz

1982 Eldorado engines

Engine	Rated	Offered in
4.1L / 249 V8 (LT8)	—	Eldorado, Eldorado Biarritz, Eldorado Touring Coupe
4.1L / 252 V6 (LC4)	125 hp net	Eldorado (credit option)
5.7L / 350 V8 diesel (LF9)	105 hp net	Eldorado (option)

1983 Eldorado engines

Engine	Rated	Offered in
4.1L / 249 V8 (LT8)	—	Eldorado, Eldorado Biarritz, Eldorado Touring Coupe
5.7L / 350 V8 diesel (LF9)	105 hp net	Eldorado (option)

1984 Eldorado engines

Engine	Rated	Offered in
4.1L / 249 V8 (LT8)	—	Eldorado, Eldorado Biarritz, Eldorado Touring Coupe
5.7L / 350 V8 diesel (LF9)	105 hp net	Eldorado (option)

1985 Eldorado engines

Engine	Rated	Offered in
4.1L / 249 V8 (LT8)	—	Eldorado, Eldorado Biarritz, Eldorado Touring Coupe
5.7L / 350 V8 diesel (LF9)	105 hp net	Eldorado (option)

1986–1991

The 4.1, 4.5 and 4.9.

1986 Eldorado engines

Engine	Rated	Offered in
4.1L / 249 V8 (LT8)	130 hp net	Eldorado, Eldorado Biarritz

1987 Eldorado engines

Engine	Rated	Offered in
4.1L / 249 V8 (LT8)	130 hp net	Eldorado, Eldorado Biarritz

1988 Eldorado engines

Engine	Rated	Offered in
4.5L / 273 V8	155 hp net	Eldorado, Eldorado Biarritz

1989 Eldorado engines

Engine	Rated	Offered in
4.5L / 273 V8	155 hp net	Eldorado, Eldorado Biarritz

1990 Eldorado engines

Engine	Rated	Offered in
4.5L / 273 V8 (LW2)	180 hp net	Eldorado, Eldorado Biarritz, Eldorado Touring Coupe

1991 Eldorado engines

Engine	Rated	Offered in
4.9L / 300 V8 (L26)	—	Eldorado, Eldorado Biarritz, Eldorado Touring Coupe

1992–2002

The 4.9 and the Northstar.

1992 Eldorado engines

Engine	Rated	Offered in
4.9L / 300 V8 (L26)	200 hp net	Eldorado, Eldorado Touring Coupe

1993 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	270 hp net	Eldorado Sport Coupe (ESC)
4.6L / 279 V8 (L37)	295 hp net	Eldorado Touring Coupe (ETC)
4.9L / 300 V8 (L26)	200 hp net	Eldorado

1994 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	270 hp net	Eldorado (base), Eldorado Sport Coupe
4.6L / 279 V8 (L37)	295 hp net	Eldorado Touring Coupe (ETC)

1995 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

1996 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

1997 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

1998 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

1999 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

2000 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

2001 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

2002 Eldorado engines

Engine	Rated	Offered in
4.6L / 279 V8 (LD8)	275 hp net	Eldorado, Eldorado (base coupe)
4.6L / 279 V8 (L37)	300 hp net	Eldorado Touring Coupe (ETC)

Working on one of these engines?

• Engine displacement from bore and stroke
• Static and dynamic compression ratio
• Which camshaft for your build
• What size carburetor
• Horsepower to torque at any RPM
• Torque converter stall speed

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