United States · verified sold prices only
Buick GNX auction results.
Every confirmed Buick GNX sale we track in the United States — 7 results from 15 Jan 2023 to 24 Sept 2026, aggregated across the major auction platforms. No asking prices, no unsold lots.
Verified sales
7
Median
US$192,500
Lowest
US$110,000
Highest
US$427,000
| Sold | Lot | Price | Mileage | Source |
|---|---|---|---|---|
| 24 Sept 2026 | 30-Mile 1987 Buick GNX | US$427,000 | 30 mi | Bring a Trailer |
| 6 Jul 2026 | 8k-Mile 1987 Buick GNX | US$225,000 | 8,000 mi | Bring a Trailer |
| 18 Jan 2026 | 1987 Buick GNX | US$192,500 | — | Mecum |
| 7 Sept 2024 | 1987 Buick GNX | US$143,000 | — | Mecum |
| 27 Jul 2024 | 1987 Buick GNX | US$110,000 | — | Mecum |
| 20 May 2023 | 1987 Buick GNX | US$121,000 | — | Mecum |
| 15 Jan 2023 | 1987 Buick GNX | US$192,500 | — | Mecum |
Indicative only — not investment advice. Past performance is not a reliable indicator of future value.