1979 GMC K20 Value
Updated June 2026 · Based on real sold prices and current market data
Median market value: $21,995 · Average: $23,439
What the range means
Driver-quality cars with paint, trim, or mechanical work needed. 25th percentile of comparable sales — what survivors with deferred maintenance bring.
Solid driver-condition examples with documented maintenance. The middle of the market — where most transactions happen.
Concours-quality, numbers-matching, documented provenance. 75th percentile — what well-sorted, restored examples actually trade for.
Recent comparable sales
| Vehicle | Sold For |
|---|---|
| 1980 GMC K20 | $19,995 |
| 1978 GMC K20 | $21,995 |
| 1980 GMC K20 | $28,495 |
| 1978 GMC K20 | $19,495 |
For sale right now
Dealer
United States