1979 GMC C15 Sierra Classic Pickup
Sold at Mecum Auctions on Sept. 23, 2026.
$19,250Confirmed
The price as reported by the house. Hammer price $17,500, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 1979
- Make and model
- GMC C/K trucks (1960 to 1998)
- Generation
- C/K 1973 to 1987 (square body)
- Version
- C/K 1973 to 1987 (square body)
- Gearbox
- Automatic
- Chassis
- TCL1491514863
- Condition
- Good (3)Likely
Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.
Against comparable sales
Inside the middle half of 59 comparable sales.
Middle half of sales$17,125 to $32,250
Median$22,250
Sales behind it59Likely
From 59 sales of the GMC C/K trucks (1960 to 1998) C/K 1973 to 1987 (square body) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $17,125 and $32,250.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1979 GMC C10 PICKUPBarrett-Jackson, Jan. 20, 2026 | Barrett-Jackson | Jan. 20, 2026 | $25,000 |
| 1980 GMC K1500 High Sierra 4×4Bring a Trailer, Oct. 23, 2026 | Bring a Trailer | Oct. 23, 2026 | $12,750 |
| 1979 GMC K1500 Sierra Grande 4×4 4-SpeedBring a Trailer, Aug. 17, 2026 | Bring a Trailer | Aug. 17, 2026 | $23,500 |
| 1979 GMC C1500 Sierra Fenderside 3-SpeedBring a Trailer, Aug. 8, 2026 | Bring a Trailer | Aug. 8, 2026 | $9,201 |
| 1979 GMC K2500 High Sierra 4×4 4-SpeedBring a Trailer, July 1, 2026 | Bring a Trailer | July 1, 2026 | $17,250 |
| 1978 GMC K1500 High Sierra 4×4Bring a Trailer, April 15, 2026 | Bring a Trailer | April 15, 2026 | $24,500 |
| 1980 GMC C10 PickupMecum, Jan. 15, 2026 | Mecum | Jan. 15, 2026 | $34,000 |
| 1980 GMC C1500 Sierra ClassicBring a Trailer, Nov. 1, 2025 | Bring a Trailer | Nov. 1, 2025 | $25,650 |