2018 GMC Sierra 3500HD market value, prices & key facts
What dealers are asking for the 2018 GMC Sierra 3500HD right now, from 29 current listings at 27 dealerships across 18 states, with EPA fuel economy, NHTSA safety ratings and recalls for this model year.
Asking prices of current listings · AutosXchange live dealer listings, November 9, 2026 · not sold prices
2018 GMC Sierra 3500HD overview
AutosXchange has 29 listed now, with a median asking price of $38,900 and median 128,485 miles.
2018 GMC Sierra 3500HD: the market right now
Half of the 29 listings ask between $36,398 and $46,776.
New vs. used (by odometer)
Top cities by supply
2018 GMC Sierra 3500HD: asking price vs. mileage
On the trend line, every 10,000 more miles goes with about $1,000 lower asking price.
2018 GMC Sierra 3500HD: how asking prices are spread
Half of listings ask between $36,398 and $46,776; the most common band is $35,000–$37,500 (7 listings).
2018 GMC Sierra 3500HD: listings by state (top 10)
Tennessee has the most, with 4 listings (14% of 29).
2018 GMC Sierra 3500HD for sale now: best value first
2018 GMC Sierra 3500HD price activity & trends
Tracked daily since Nov 5, 2026; data as of Nov 8, 7:35 PM PST. ▲ ▼ show the direction of change.
Latest market activity
- Country Chevrolet Inc. cut prices on 6 GMC Sierra 3500 HD by $989 eachNov 7, 3:54 AM PST
- Price-cut activity: #1061 of 4,245 models nationally over 7 days (3.3% of 30 listings cut).
- Price-cut activity: #1061 of 4,245 models nationally over 30 days (3.3% of 30 listings cut).
Since Nov 5: 3.3% of 30 listings cut (average $1,046), 0 new, 0 removed from sale.
Compare by location
| Location | Listings | Median asking | vs. national | Cut in 7 days | Avg cut | Same cars, 7-day change | New / removed 7d |
|---|---|---|---|---|---|---|---|
| United States | 30 | $41,931 | — | 3.3% | $1,046 | — | 0 / 0 |
Daily trend chart: one point per day since tracking began; it appears after the second day of tracking.
Method terms: "same cars" is the median asking price of the same listings on both dates (a same-store median), so changes in the mix of cars do not move it; a "model" is a model year, make and model with at least 30 listings from 5 dealers (a cohort); a "group of states" is a U.S. Census division.
Latest price changes: 2018 GMC Sierra 3500HD
2 cuts and 0 raises in the last 30d; median cut −2.4%.
- ▼ Cut−$1,459 (−3.4%) · 2018 GMC Sierra 3500 HD Denali$43,326 → $41,867 · Carl Cannon Chevrolet, Jasper, AL · 1 d ago
- ▼ Cut−$632 (−1.4%) · 2018 GMC Sierra 3500 HD Denali$43,958 → $43,326 · Carl Cannon Chevrolet, Jasper, AL · 2 d ago
Source: AutosXchange Intel Hub, autos-xchange.com/market, 2026-11-09.
GMC Sierra 3500HD market data by model year
- 2026 Sierra 3500HD58 · $84.7k
- 2025 Sierra 3500HD48 · $75k
- 2024 Sierra 3500HD87 · $64.9k
- 2023 Sierra 3500HD45 · $53.7k
- 2022 Sierra 3500HD41 · $50.9k
- 2021 Sierra 3500HD40 · $49.2k
- 2020 Sierra 3500HD42 · $46k
- 2019 Sierra 3500HD39 · $42.9k
- 2018 Sierra 3500HD29 · $38.9k
- 2017 Sierra 3500HD19 · $29.9k
- 2016 Sierra 3500HD27 · $35k
- 2015 Sierra 3500HD46 · $30.2k
- 2014 Sierra 3500HD7 · $33k
- 2013 Sierra 3500HD21 · $22k
- 2012 Sierra 3500HD8 · $24.3k
- 2011 Sierra 3500HD17 · $23.6k
- 2010 Sierra 3500HD2 · $22.2k
- 2009 Sierra 3500HD8 · $15.7k
- 2008 Sierra 3500HD7 · $21.4k
- 2007 Sierra 3500HD3 · $23k
2018 GMC Sierra 3500HD for sale by city
- GMC Sierra in Houston, TX352
- GMC Sierra in Billings, MT96
- GMC Sierra in Everett, WA71
- GMC Sierra in Oklahoma City, OK32
- GMC Sierra in Knoxville, TN29
- GMC Sierra in Covington, VA29
- GMC Sierra in South Salt Lake, UT23
- GMC Sierra in Glasgow, KY16
- GMC Sierra in Winchester, VA16
- GMC Sierra in Franktown, CO14
- GMC Sierra in Gaylord, MI14
- GMC Sierra in Brighton, CO12
- GMC Sierra in Bozeman, MT12
- GMC Sierra in Columbia, TN11
- GMC Sierra in Mabel, MN7
- GMC Sierra in Traverse City, MI5
- GMC Sierra in Troy, OH5
- GMC Sierra in White Pine, TN5
- GMC Sierra in Auburn, WA5
- GMC Sierra in Clinton, IN4
- GMC Sierra in Bridgton, ME4
- GMC Sierra in Klamath Falls, OR3
- GMC Sierra in Collierville, TN3
- GMC Sierra in Winter Haven, FL1
- GMC Sierra in Anacoco, LA1
- GMC Sierra in Detroit Lakes, MN1
- GMC Sierra in Morehead City, NC1
Frequently asked questions
- What is the average asking price of a 2018 GMC Sierra 3500HD?
- Across 29 current listings on AutosXchange, the median asking price of a 2018 GMC Sierra 3500HD is $38,900. Most listings (10th to 90th percentile) ask between $30,256 and $49,045. These are dealer asking prices, not sold prices.
- How many GMC Sierra 3500HD are for sale?
- AutosXchange currently lists 29 vehicles from 27 dealerships in 18 states.
- What mileage is typical for a 2018 GMC Sierra 3500HD?
- The median odometer reading is 128,485 miles; the middle half of listings show between 95,241 and 170,472 miles (29 listings with a published odometer).
- What is a fair asking price for a 2018 GMC Sierra 3500HD?
- Half of current listings ask between $36,398 and $46,776 (25th to 75th percentile), around a median of $38,900. Compare mileage, trim, condition and the vehicle history report before deciding; AutosXchange figures are asking prices, not sold prices.
- Where are the most GMC Sierra 3500HD for sale?
- Tennessee has the most current listings (4), followed by Colorado (3).
AutosXchange market data is calculated from the asking prices of current dealer listings on AutosXchange, refreshed as dealers update their inventory. These are not sold or transaction prices and not appraisals. Listings with an asking price under $500 (placeholder prices) are excluded. Confirm price, fees and availability with the selling dealer.