The average asking price for a used 1978 Cadillac Eldorado is $24,646, with 40,347 miles on average, across 35 cars for sale at U.S. dealers as of Nov 10, 2026.
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.
| 1989 |
| $8,249 |
| 134,125 |
| 7 |
| 1988 | $13,532 | 9,046 | 7 |
| 1986 | $10,500 | 53,458 | 2 |
| 1985 | $21,159 | 58,718 | 36 |
| 1984 | $16,653 | 64,614 | 16 |
| 1983 | $17,870 | 47,282 | 10 |
| 1982 | $14,948 | 75,193 | 5 |
| 1980 | $17,698 | 149,566 | 3 |
| 1979 | $34,181 | 49,211 | 11 |
| 1978 | $24,646 | 40,347 | 35 |
| 1977 | $27,133 | 36,553 | 11 |
| 1976 | $33,960 | 40,307 | 73 |
| 1975 | $23,212 | 62,727 | 38 |
| 1974 | $21,538 | 64,147 | 11 |
| 1973 | $31,214 | 32,366 | 12 |
| 1972 | $25,123 | 49,260 | 15 |
| 1971 | $22,932 | 56,640 | 9 |
| 1970 | $29,439 | 0 | 2 |
| 1969 | $22,751 | 72,934 | 9 |
| 1968 | $20,314 | — | 7 |
| 1967 | $64,478 | 75,348 | 14 |
| 1966 | $52,089 | 0 | 4 |
| 1965 | $40,570 | 52,550 | 7 |
| 1964 | $49,078 | 98,550 | 5 |
| 1963 | $36,250 | — | 2 |
| 1962 | $94,737 | 56,900 | 4 |
| 1961 | $18,000 | — | 1 |
| 1960 | $110,158 | 15,000 | 5 |
| 1959 | $512,000 | — | 2 |
| 1958 | $139,243 | 33,875 | 18 |
| 1957 | $124,112 | 60,574 | 22 |
| 1956 | $157,007 | 43,219 | 7 |
| 1955 | $94,250 | — | 2 |
| 1954 | $57,995 | 80,000 | 2 |
| 1953 | $173,079 | 42,618 | 6 |