1978 GMC K1500 Royal Sierra 4×4
Sold at Bring a Trailer on Sept. 1, 2026.
$18,000Confirmed
The price as reported by the house. Read from the house's results Oct. 25, 2026.
The car
- Year
- 1978
- Make and model
- GMC C/K trucks (1960 to 1998)
- Generation
- C/K 1973 to 1987 (square body)
- Chassis
- TKL148Z520364
- 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 109 comparable sales.
Middle half of sales$14,250 to $32,000
Median$22,000
Sales behind it109Likely
From 109 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 $14,250 and $32,000.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 6.0L-Powered 1978 GMC C1500 Sierra ClassicBring a Trailer, June 6, 2026 | Bring a Trailer | June 6, 2026 | $25,250 |
| 1978 GMC K1500 High Sierra 4×4Bring a Trailer, April 15, 2026 | Bring a Trailer | April 15, 2026 | $24,500 |
| Modified 1978 GMC C1500 Sierra GrandeBring a Trailer, Jan. 24, 2026 | Bring a Trailer | Jan. 24, 2026 | $18,500 |
| 1978 GMC K2500 Sierra Classic 4×4Bring a Trailer, April 25, 2025 | Bring a Trailer | April 25, 2025 | $17,500 |
| 1977 GMC K1500 Sierra Classic 4×4Bring a Trailer, Oct. 10, 2026 | Bring a Trailer | Oct. 10, 2026 | $22,250 |
| 1979 GMC C15 Sierra Classic PickupMecum, Sept. 23, 2026 | Mecum | Sept. 23, 2026 | $17,500 |
| 1979 GMC K1500 Sierra Grande 4×4 4-SpeedBring a Trailer, Aug. 17, 2026 | Bring a Trailer | Aug. 17, 2026 | $23,500 |
| 1977 GMC 1500 Sierra Classic PickupMecum, Aug. 13, 2026 | Mecum | Aug. 13, 2026 | $13,000 |