10 for sale · 78 auction results · latest Oct 24, 2026
The median auction sale for the Buick GS was $41,153 over the last three years. The median asking price is $65,553.
Where Buick GS 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 | For sale | Median ask | Sold | Median sale |
|---|---|---|---|---|---|
| 400 | 1967–1969 | 2 | $97k | 26 | $33k |
| 455 | 1970–1972 | 6 | $83k | 16 | $41k |
| 455 Stage 1 | 1970–1972 | — | — | 11 | $54k |
| 350 | 1968–1974 | 1 | $35k | 4 | $33k |
| 400 Stage 1 | 1969 | 1 | $45k | 4 | $39k |
| Stage 1 | 1970–1971 | — | — | 3 | — |
| Custom | 1965 | — | — | 2 | — |
The state map, Buick GSs listed below market now, every model year's sales and asking prices, and the latest results.
