1988 GMC Sierra Value
Updated November 2026 · Based on asking prices from past and current listings
Median market value: $20,695 · Average: $24,823
What the range means
Driver-quality cars with paint, trim, or mechanical work needed. 25th percentile of comparable asking prices: what survivors with deferred maintenance are listed for.
Solid driver-condition examples with documented maintenance. The middle of the market, where most cars are priced.
Concours-quality, numbers-matching, documented provenance. 75th percentile: what well-sorted, restored examples are listed for.
Similar past listings
| Vehicle | Last Asking Price |
|---|---|
| 1989 GMC Sierra | $9,895 |
| 1988 GMC Sierra | $14,495 |
| 1990 GMC Sierra | $26,995 |
| 1989 GMC Sierra | $28,495 |
| 1986 GMC Sierra | $15,995 |
| 1987 GMC Sierra | $44,495 |
| 1990 GMC Sierra | $40,895 |
| 1989 GMC Sierra | $8,995 |