2018 GMC Sierra
2018 GMC Sierra against nearby years
| Year | Median (3 yrs) | Middle 50% | Sales (3 yrs) | For sale now |
|---|---|---|---|---|
| 2015 | $17k | $13k–$24k | 9 | 238 |
| 2016 | $35k | – | 3 | 226 |
| 2017 | $21k | $17k–$26k | 7 | 312 |
| 2018 | $43k | $33k–$80k | 7 | 399 |
| 2019 | $38k | $32k–$40k | 6 | 260 |
| 2020 | $46k | $41k–$51k | 9 | 319 |
| 2021 | $53k | $35k–$59k | 10 | 476 |
Auction sales in the last 3 years; prices leave out salvage and other branded titles.
2018 GMC Sierra by version
- Sierra 4th Gen
- $40k median, 6 sales in 3 years, 376 for sale
- Sierra Heavy Duty 4th Gen
- $110k median, 1 sale in 3 years, 21 for sale
Recent 2018 GMC Sierra auction sales
| Sold | Car | Price | Miles | Where |
|---|---|---|---|---|
| Sep 25, 2026 | 2018 GMC Sierra 1500 Denali Sep 25, 2026, Bring a Trailer | $36,050 | 39,000 | Bring a Trailer |
| Jul 25, 2026 | 2018 GMC Sierra 1500 SLE Pickup Jul 25, 2026, Mecum | $49,500 | 19,764 | Mecum |
| Jun 26, 2026 | 2018 GMC Sierra 1500 SLT Double Cab Jun 26, 2026, Hagerty | $23,250 | 42,200 | Hagerty |
| Jan 23, 2026 | 2018 GMC Sierra 1500 K1500 SLT Jan 23, 2026, eBay | $30,650 | 67,000 | eBay |
| Oct 18, 2025 | 2018 GMC Sierra 1500 Denali Oct 18, 2025, Barrett-Jackson | $220,000 | – | Barrett-Jackson |
| Mar 25, 2025 | 2018 GMC Sierra 1500 SLE Mar 25, 2025, Cars & Bids | $43,000 | 930 | Cars & Bids |
| Jan 11, 2025 | 2018 GMC Denali 3500 Jan 11, 2025, Mecum | $110,000 | 87,053 | Mecum |
| Oct 14, 2023 | 2018 GMC Sierra Oct 14, 2023, Mecum | $38,500 | 272,679 | Mecum |
| Sep 11, 2021 | 2018 GMC Sierra 1500 Sep 11, 2021, Mecum | $80,000 | – | Mecum |
| Feb 18, 2021 | 2018 GMC Sierra 3500HD Denali Crew Cab 4x4 Feb 18, 2021, Cars & Bids | $56,055 | 13,500 | Cars & Bids |
Listings
547 2018 GMC Sierra vehicles have been tracked across auctions and listings on Hypercars, with 401 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 many 2018 GMC Sierra listings are for sale right now?
There are 401 2018 GMC Sierra listings currently live across auctions, dealers, and marketplaces tracked by Hypercars.
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© 2026 Hypercars Technologies Inc. All rights reserved.
Hypercars Technologies Inc. is not affiliated with the companies or individuals mentioned on its site. Third-party trademarks and logos belong to their respective owners; use does not imply endorsement or affiliation. Data is provided "as is" without warranty of accuracy, completeness, or timeliness.
© 2026 Hypercars Technologies Inc. All rights reserved.
Hypercars Technologies Inc. is not affiliated with the companies or individuals mentioned on its site. Third-party trademarks and logos belong to their respective owners; use does not imply endorsement or affiliation. Data is provided "as is" without warranty of accuracy, completeness, or timeliness.