4 for sale · 55 auction results · latest Sep 24, 2026
Over the last three years, the median sold price of a Buick Grand National GNX was $200,000, across 19 sales with a median model year of 1987.
Where Buick Grand National GNX sold prices are heading, quarter by quarter.
Every sale and listing by mileage, the middle 50% of prices and how much 10,000 miles take off.
| Trim | Years | Sold · 3y | Median sold | For sale | Median ask |
|---|---|---|---|---|---|
| Regal | 1984–1987 | — | — | 7 | $65k |
The state map, Buick Grand National GNXs listed below market now, every model year's sales and asking prices, and the latest results.
