Other things play into that factor - such as - does it have rust? Has it been flooded? modified? All electrical items in proper working order? Vibrations? Records? Timing chain rattles (is up to date)? Also depends on where the car is sold. In some areas, you cannot even give these cars away, elsewhere, they still command a premium.

I would say $2500-$3500 if all is well with it.

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2004 Toyota Sequoia Limited 4wd
1991 Lincoln Town Car Executive
1991 Cadillac Sedan DeVille
1988 Mercedes 300SEL
1972 Chevrolet Caprice Kingswood Estate 9-passenger wagon
1973 Pontiac Grand Ville
(Prior MB's: 1974 240D, 1985 380SE, 1984 190D, 1993 400SEL)