1999 GMC Sierra Classic SLE Pickup
Sold at Mecum Auctions on May 8, 2026.
$19,800Confirmed
The price as reported by the house. Hammer price $18,000, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 1999
- Make and model
- GMC C/K trucks (1960 to 1998)
- Generation
- C/K 1988 to 1999 (GMT400)
- Gearbox
- Automatic
- VIN
- 1GTEK19R6XR509622
- 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 117 comparable sales.
Middle half of sales$10,750 to $20,250
Median$15,500
Sales behind it117Likely
From 117 sales of the GMC C/K trucks (1960 to 1998) C/K 1988 to 1999 (GMT400) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $10,750 and $20,250.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1999 GMC Suburban K2500 SLT 7.4L 4×4Bring a Trailer, Oct. 9, 2026 | Bring a Trailer | Oct. 9, 2026 | $4,500 |
| 1999 GMC Sierra K3500 SLT 4×4 DuallyBring a Trailer, Sept. 21, 2026 | Bring a Trailer | Sept. 21, 2026 | $20,500 |
| 1999 GMC Suburban K1500 SLE 4×4Bring a Trailer, Aug. 6, 2026 | Bring a Trailer | Aug. 6, 2026 | $23,000 |
| 1999 GMC Suburban K1500 SLT 4×4Bring a Trailer, May 15, 2026 | Bring a Trailer | May 15, 2026 | $18,000 |
| 1999 GMC Suburban K2500 SLT 7.4L 4×4Bring a Trailer, May 14, 2026 | Bring a Trailer | May 14, 2026 | $26,000 |
| 1999 GMC SUBURBAN K2500Barrett-Jackson, April 16, 2026 | Barrett-Jackson | April 16, 2026 | $12,000 |
| 1999 GMC Sierra K3500 4×4 Dually Fire TruckBring a Trailer, April 6, 2026 | Bring a Trailer | April 6, 2026 | $18,333 |
| 1999 GMC Suburban K1500 SLT 4×4Bring a Trailer, March 25, 2026 | Bring a Trailer | March 25, 2026 | $14,250 |