2021 GMC Sierra 3500HD market value, prices & key facts
What dealers are asking for the 2021 GMC Sierra 3500HD right now, from 38 current listings at 35 dealerships across 27 states, with EPA fuel economy, NHTSA safety ratings and recalls for this model year.
Asking prices of current listings · AutosXchange live dealer listings, November 8, 2026 · not sold prices
2021 GMC Sierra 3500HD overview
AutosXchange has 38 listed now, with a median asking price of $49,242 and median 93,187 miles.
2021 GMC Sierra 3500HD: the market right now
Half of the 38 listings ask between $42,174 and $54,749.
New vs. used (by odometer)
Top cities by supply
2021 GMC Sierra 3500HD: asking price vs. mileage
On the trend line, every 10,000 more miles goes with about $1,220 lower asking price.
2021 GMC Sierra 3500HD: how asking prices are spread
Half of listings ask between $42,174 and $54,749; the most common band is $47,500–$50,000 (7 listings).
2021 GMC Sierra 3500HD: listings by state (top 10)
North Carolina has the most, with 4 listings (11% of 38).
2021 GMC Sierra 3500HD for sale now: best value first
2021 GMC Sierra 3500HD price activity & trends
Tracked daily since Nov 5, 2026; data as of Nov 8, 12:35 PM UTC. ▲ ▼ show the direction of change.
Latest market activity
- Country Chevrolet Inc. cut prices on 6 GMC Sierra 3500 HD by $989 eachNov 7, 11:54 AM UTC
- Price-cut activity: #2306 of 4,055 models nationally over 7 days (1.6% of 61 listings cut).
- Price-cut activity: #2306 of 4,055 models nationally over 30 days (1.6% of 61 listings cut).
Since Nov 5: 1.6% of 61 listings cut (average $3,505), 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 | 61 | $49,488 | — | 1.6% | $3,505 | — | 0 / 0 |
Median asking price per day
What this means for you: The typical 2021 GMC Sierra 3500HD asking price fell 1.5% over the last 1 day (not seasonally adjusted).
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: 2021 GMC Sierra 3500HD
1 cuts and 0 raises in the last 30d; median cut −10.5%.
- ▼ Cut−$3,505 (−10.5%) · 2021 GMC Sierra 3500HD SLT Crew Cab$33,500 → $29,995 · The Trading Post, San Marcos, TX · 2 d ago
Source: AutosXchange Intel Hub, autos-xchange.com/market, 2026-11-08.
GMC Sierra 3500HD market data by model year
- 2026 Sierra 3500HD45 · $88k
- 2025 Sierra 3500HD41 · $74.7k
- 2024 Sierra 3500HD74 · $65.3k
- 2023 Sierra 3500HD38 · $53k
- 2022 Sierra 3500HD35 · $49.9k
- 2021 Sierra 3500HD38 · $49.2k
- 2020 Sierra 3500HD39 · $45.1k
- 2019 Sierra 3500HD38 · $42.9k
- 2018 Sierra 3500HD27 · $38.6k
- 2017 Sierra 3500HD19 · $29.9k
- 2016 Sierra 3500HD25 · $35k
- 2015 Sierra 3500HD43 · $30.3k
- 2014 Sierra 3500HD5 · $40k
- 2013 Sierra 3500HD20 · $22k
- 2012 Sierra 3500HD8 · $24.3k
- 2011 Sierra 3500HD16 · $23.7k
- 2010 Sierra 3500HD2 · $22.2k
- 2009 Sierra 3500HD8 · $15.7k
- 2008 Sierra 3500HD7 · $21.4k
- 2007 Sierra 3500HD3 · $23k
2021 GMC Sierra 3500HD for sale by city
- GMC Sierra in Cullman, AL353
- GMC Sierra in Tucson, AZ268
- GMC Sierra in Fort Wayne, IN162
- GMC Sierra in Chattanooga, TN118
- GMC Sierra in Everett, WA71
- GMC Sierra in Casper, WY56
- GMC Sierra in Glenville, NY45
- GMC Sierra in Raleigh, NC41
- GMC Sierra in Kernersville, NC30
- GMC Sierra in Grand Rapids, MI19
- GMC Sierra in Lewisville, TX19
- GMC Sierra in Albert Lea, MN17
- GMC Sierra in Stokesdale, NC16
- GMC Sierra in Lindon, UT16
- GMC Sierra in Somerset, KY15
- GMC Sierra in Bellingham, WA14
- GMC Sierra in Plaistow, NH13
- GMC Sierra in Cranston, RI9
- GMC Sierra in Tacoma, WA9
- GMC Sierra in Centennial, CO6
- GMC Sierra in Fulton, MO6
- GMC Sierra in Livingston, MT6
- GMC Sierra in Southampton, NJ6
- GMC Sierra in Albany, NY5
- GMC Sierra in Deerfield, OH4
- GMC Sierra in Watertown, SD4
- GMC Sierra in Mount Pleasant, WI4
- GMC Sierra in Carmi, IL3
- GMC Sierra in Stanton, CA2
- GMC Sierra in Collinsville, OK2
- GMC Sierra in San Marcos, TX2
- GMC Sierra in Springfield, VT2
- GMC Sierra in Rayville, LA1
- GMC Sierra in Flanders, NJ1
Frequently asked questions
- What is the average asking price of a 2021 GMC Sierra 3500HD?
- Across 38 current listings on AutosXchange, the median asking price of a 2021 GMC Sierra 3500HD is $49,242. Most listings (10th to 90th percentile) ask between $35,395 and $57,491. These are dealer asking prices, not sold prices.
- How many GMC Sierra 3500HD are for sale?
- AutosXchange currently lists 38 vehicles from 35 dealerships in 27 states.
- What mileage is typical for a 2021 GMC Sierra 3500HD?
- The median odometer reading is 93,187 miles; the middle half of listings show between 66,610 and 127,405 miles (38 listings with a published odometer).
- What is a fair asking price for a 2021 GMC Sierra 3500HD?
- Half of current listings ask between $42,174 and $54,749 (25th to 75th percentile), around a median of $49,242. 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?
- North Carolina has the most current listings (4), followed by New Jersey (4).
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.