1978 GMC
1978 GMC sold for a median of $18,250 over the last 12 months, based on 8 auction sales; the middle 50% sold between $14,940 and $24,688. 145 currently for sale.
1978 GMC against nearby years
| Year | Median (3 yrs) | Middle 50% | Sales (3 yrs) | For sale now |
|---|---|---|---|---|
| 1975 | $31k | $18k–$44k | 15 | 54 |
| 1976 | $19k | $12k–$34k | 25 | 86 |
| 1977 | $20k | $14k–$26k | 30 | 99 |
| 1978 | $20k | $17k–$25k | 30 | 145 |
| 1979 | $24k | $13k–$36k | 26 | 148 |
| 1980 | $21k | $12k–$25k | 11 | 91 |
| 1981 | $28k | $17k–$39k | 21 | 108 |
Auction sales in the last 3 years; prices leave out salvage and other branded titles.
Recent 1978 GMC auction sales
| Sold | Car | Price | Miles | Where |
|---|---|---|---|---|
| Sep 24, 2026 | 1978 GMC Sierra Pickup Sep 24, 2026, Mecum | $34,100 | 67,514 | Mecum |
| Sep 1, 2026 | 1978 GMC GMC Motorhome Royale 26' Sep 1, 2026, Bring a Trailer | $17,078 | 87,000 | Bring a Trailer |
| Sep 1, 2026 | 1978 GMC C1500 Sierra Grande Pickup Sep 1, 2026, Hagerty | $8,524 | 49,200 | Hagerty |
| Sep 1, 2026 | 1978 GMC K1500 Royal Sierra 4×4 Sep 1, 2026, Bring a Trailer | $18,000 | – | Bring a Trailer |
| Jun 6, 2026 | 1978 GMC C1500 Sierra Classic Jun 6, 2026, Bring a Trailer | $25,250 | – | Bring a Trailer |
| Apr 15, 2026 | 1978 GMC K1500 High Sierra Apr 15, 2026, Bring a Trailer | $24,500 | 86,000 | Bring a Trailer |
| Apr 14, 2026 | 1978 GMC Caballero Diablo Apr 14, 2026, Bring a Trailer | $6,400 | – | Bring a Trailer |
| Jan 24, 2026 | 1978 GMC C1500 Sierra Grande Jan 24, 2026, Bring a Trailer | $18,500 | – | Bring a Trailer |
| Apr 25, 2025 | 1978 GMC K2500 Sierra Classic Apr 25, 2025, Bring a Trailer | $17,500 | – | Bring a Trailer |
| Mar 26, 2025 | 1978 GMC Jimmy High Sierra 4x4 Mar 26, 2025, Bring a Trailer | $21,500 | 63,000 | Bring a Trailer |
| Mar 18, 2025 | 1978 GMC Cabellero Mar 18, 2025, Mecum | $16,500 | 49,892 | Mecum |
| Feb 28, 2025 | 1978 GMC Jimmy High Sierra 4x4 Feb 28, 2025, Bring a Trailer | $42,000 | 51,000 | Bring a Trailer |
| Feb 6, 2025 | 1978 GMC Jimmy High Sierra 4x4 Feb 6, 2025, Bring a Trailer | $27,000 | 18,000 | Bring a Trailer |
| Jan 22, 2025 | 1978 GMC 3500 Roll Back Wrecker Truck Jan 22, 2025, Barrett-Jackson | $22,000 | – | Barrett-Jackson |
| Dec 19, 2024 | 1978 GMC K1500 Sierra Classic Half-Ton Pickup Dec 19, 2024, Hagerty | $11,000 | 91,834 | Hagerty |
Listings
338 1978 GMC vehicles have been tracked across auctions and listings on Hypercars, with 145 currently live.
Data sourced from auction results and dealer and private listings, including Bring a Trailer, Cars & Bids, Mecum, RM Sotheby’s and eBay Motors. Updated daily.
Frequently Asked Questions
How much does a 1978 GMC cost?
Over the last 12 months, 1978 GMC sold for a median of $18,250 across 8 auction sales tracked on Hypercars; the middle 50% sold between $14,940 and $24,688. There are 145 currently for sale.
How many 1978 GMC listings are for sale right now?
There are 145 1978 GMC listings currently live across auctions, dealers, and marketplaces tracked by Hypercars.