Valuation Estimate

1977 GMC Sierra Value

Updated June 2026 · Based on real sold prices and current market data

Estimated value range High confidence
$6,495 $21,295

Median market value: $10,145 · Average: $15,182

Sample size
118
Sold sales
53
Active listings
12
Year window
±2 years

What the range means

$6,495 — Low end

Driver-quality cars with paint, trim, or mechanical work needed. 25th percentile of comparable sales — what survivors with deferred maintenance bring.

$10,145 — Median

Solid driver-condition examples with documented maintenance. The middle of the market — where most transactions happen.

$21,295 — High end

Concours-quality, numbers-matching, documented provenance. 75th percentile — what well-sorted, restored examples actually trade for.

Recent comparable sales

Vehicle Sold For
1975 GMC Sierra $7,995
1978 GMC Sierra $27,900
1978 GMC Sierra $24,995
1978 GMC Sierra $7,995
1978 GMC Sierra $27,900
1978 GMC Sierra $25,495
1976 GMC Sierra $37,995
1978 GMC Sierra $27,900
View all GMC Sierra sales →

For sale right now