6 for sale · 12 auction results · latest Oct 16, 2026
The median auction sale for the Buick Series 90 was $15,488 over the last three years. The median asking price is $29,995.
Where Buick Series 90 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 |
|---|---|---|---|---|---|
| 90 Sport | 1931 | — | — | 5 | $110k |
The state map, Buick Series 90s listed below market now, every model year's sales and asking prices, and the latest results.