# Used 1978 Mercury Grand Marquis prices

> The average asking price for a used 1978 Mercury Grand Marquis is $16,588, across 2 cars for sale at U.S. dealers as of Nov 10, 2026.

Data as of Nov 14, 2026 · [ottoquest.com](https://ottoquest.com/models/mercury-grand-marquis/1978) · [all Mercury Grand Marquis model years](https://ottoquest.com/models/mercury-grand-marquis.md)

- Average asking price: $16,588 (median $16,588)
- Average miles: —
- For sale now: 2

## 1978 Mercury Grand Marquis prices by state

Too few cars in any one state yet.

## Other Mercury Grand Marquis years

| Year | Average asking | Miles | For sale |
| --- | ---: | ---: | ---: |
| [2011](https://ottoquest.com/models/mercury-grand-marquis/2011.md) | $11,158 | 81,318 | 8 |
| [2010](https://ottoquest.com/models/mercury-grand-marquis/2010.md) | $9,523 | 86,913 | 27 |
| [2009](https://ottoquest.com/models/mercury-grand-marquis/2009.md) | $9,565 | 88,754 | 13 |
| [2008](https://ottoquest.com/models/mercury-grand-marquis/2008.md) | $9,337 | 92,824 | 14 |
| [2007](https://ottoquest.com/models/mercury-grand-marquis/2007.md) | $10,634 | 81,842 | 14 |
| [2006](https://ottoquest.com/models/mercury-grand-marquis/2006.md) | $8,442 | 94,774 | 15 |
| [2005](https://ottoquest.com/models/mercury-grand-marquis/2005.md) | $7,392 | 124,604 | 9 |
| [2004](https://ottoquest.com/models/mercury-grand-marquis/2004.md) | $5,753 | 128,619 | 17 |
| [2003](https://ottoquest.com/models/mercury-grand-marquis/2003.md) | $5,909 | 128,375 | 16 |
| [2002](https://ottoquest.com/models/mercury-grand-marquis/2002.md) | $7,398 | 100,302 | 9 |
| [2001](https://ottoquest.com/models/mercury-grand-marquis/2001.md) | $5,352 | 116,044 | 11 |
| [2000](https://ottoquest.com/models/mercury-grand-marquis/2000.md) | $9,961 | 91,864 | 10 |
| [1999](https://ottoquest.com/models/mercury-grand-marquis/1999.md) | $4,606 | 130,221 | 11 |
| [1998](https://ottoquest.com/models/mercury-grand-marquis/1998.md) | $6,443 | 120,295 | 6 |
| [1997](https://ottoquest.com/models/mercury-grand-marquis/1997.md) | $4,695 | 127,130 | 6 |
| [1996](https://ottoquest.com/models/mercury-grand-marquis/1996.md) | $4,114 | 158,998 | 2 |
| [1995](https://ottoquest.com/models/mercury-grand-marquis/1995.md) | $10,150 | 106,976 | 4 |
| [1994](https://ottoquest.com/models/mercury-grand-marquis/1994.md) | $8,633 | 71,579 | 3 |
| [1992](https://ottoquest.com/models/mercury-grand-marquis/1992.md) | $5,900 | 57,491 | 1 |
| [1991](https://ottoquest.com/models/mercury-grand-marquis/1991.md) | $6,344 | 229,023 | 1 |
| [1990](https://ottoquest.com/models/mercury-grand-marquis/1990.md) | $6,000 | 95,000 | 1 |
| [1989](https://ottoquest.com/models/mercury-grand-marquis/1989.md) | $9,895 | 107,000 | 2 |
| [1988](https://ottoquest.com/models/mercury-grand-marquis/1988.md) | $13,080 | — | 1 |
| [1987](https://ottoquest.com/models/mercury-grand-marquis/1987.md) | $12,500 | 54,817 | 1 |
| [1985](https://ottoquest.com/models/mercury-grand-marquis/1985.md) | $20,195 | 23,028 | 2 |
| [1984](https://ottoquest.com/models/mercury-grand-marquis/1984.md) | $38,028 | 11,000 | 3 |
| [1979](https://ottoquest.com/models/mercury-grand-marquis/1979.md) | $5,795 | 85,000 | 2 |
| **1978** | $16,588 | — | 2 |
| [1977](https://ottoquest.com/models/mercury-grand-marquis/1977.md) | $18,495 | 106,000 | 6 |

## Used 1978 Mercury Grand Marquis prices: common questions

### How does the 1978 Mercury Grand Marquis compare with the 1977?

The 1978 asks $16,588 on average; the 1977 asks $18,495 with 106,000 miles.

## More

- Check one car's price: https://ottoquest.com/deal-check.md?vin=<VIN>&price=<price>&mileage=<miles> (markdown; the page is https://ottoquest.com/deal-check)
- Value a car by model, trim, year and mileage: https://ottoquest.com/value
- Free alerts for new listings and price drops: https://ottoquest.com/deals

Used and certified cars for sale at U.S. 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.

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OttoQuest · [this page](https://ottoquest.com/models/mercury-grand-marquis/1978). Prices are asking prices of cars for sale in the U.S. and recorded sold prices; a guide to the price, not to a car's condition.