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AutosXchange market data

2021 GMC Sierra 2500HD prices & market data

What dealers are asking for the 2021 GMC Sierra 2500HD right now, from 23 current listings at 22 dealerships across 12 states.

Asking prices of current listings · AutosXchange live dealer listings, November 5, 2026 · not sold prices

23Listings for sale now
$49,895Median asking price
$33,376–$62,595Typical range (10th–90th percentile)
99,173Median miles (23 listings with odometer)
22Dealerships listing it
See 2021 GMC Sierra 2500HD listingsAll GMC Sierra 2500HD yearsOther GMC models
Price vs. mileage

2021 GMC Sierra 2500HD: asking price vs. mileage

On the trend line, every 10,000 more miles goes with about $1,480 lower asking price.

2021 GMC Sierra 2500HD asking price vs. mileageScatter of 21 current 2021 GMC Sierra 2500HD listings (asking price against odometer miles), with a least-squares trend line of about $-1,480 per 10,000 miles.$25k$30k$35k$40k$45k$50k$55k$60k$65k050k100k150k200k250kOdometer (miles)Asking price
Each dot is one current listing; the line is a straight least-squares fit over all of them. 2 extreme listings (top/bottom 1% of price or mileage) are outside the chart.
Price distribution

2021 GMC Sierra 2500HD: how asking prices are spread

Half of listings ask between $44,200 and $55,687; the most common band is $45,000–$50,000 (5 listings).

2021 GMC Sierra 2500HD asking price distributionHistogram of 23 current 2021 GMC Sierra 2500HD asking prices in 9 bins of $5,000; median $49,895.012345$25k–$30k: 2 listings (includes 1 below $25k)$30k–$35k: 2 listings$35k–$40k: 1 listing$40k–$45k: 3 listings$45k–$50k: 5 listings$50k–$55k: 4 listings$55k–$60k: 2 listings$60k–$65k: 3 listings$65k–$70k: 1 listing≤$25k$35k$45k$55k$65k$70kMedian $49,895Asking price (bar height = number of listings)
Bars count listings in $5,000 price bands; the dashed line marks the median. The outer bars also include the lowest and highest 1% of prices.
Where they are listed

2021 GMC Sierra 2500HD: listings by state (top 10)

California has the most, with 4 listings (17% of 23).

2021 GMC Sierra 2500HD listings by stateNumber of current 2021 GMC Sierra 2500HD listings by dealer state: California 4, Alabama 3, North Carolina 3, Texas 3, Michigan 2, Nevada 2, Colorado 1, Illinois 1, Kentucky 1, New Jersey 1.CaliforniaCalifornia: 4 · 17%4 · 17%AlabamaAlabama: 3 · 13%3 · 13%North CarolinaNorth Carolina: 3 · 13%3 · 13%TexasTexas: 3 · 13%3 · 13%MichiganMichigan: 2 · 9%2 · 9%NevadaNevada: 2 · 9%2 · 9%ColoradoColorado: 1 · 4%1 · 4%IllinoisIllinois: 1 · 4%1 · 4%KentuckyKentucky: 1 · 4%1 · 4%New JerseyNew Jersey: 1 · 4%1 · 4%
Counts current AutosXchange listings by the selling dealer's state (12 states in total).
Current listings

2021 GMC Sierra 2500HD for sale now: best value first

2021 GMC Sierra 2500HD Truck for sale in Arlington, TX37% below similar
2021 GMC Sierra 2500HD Truck$29,995182,743 mi · Arlington, TXUsed Trucks For Sale - Gas & Diesel
2021 GMC Sierra 2500HD for sale in Houston, TX30% below similar
2021 GMC Sierra 2500HD$32,995213,617 mi · Houston, TXOscar's Truck Center, LLC
2021 GMC Sierra 2500HD SLE Crew Cab 4WD for sale in Saraland, AL26% below similar
2021 GMC Sierra 2500HD SLE Crew Cab 4WD$34,900222,181 mi · Saraland, ALA & A Wholesalers
2021 GMC Sierra 2500HD for sale in Jasper, AL22% below similar
2021 GMC Sierra 2500HD$36,985122,737 mi · Jasper, ALHometown Auto Sales
2021 GMC Sierra 2500HD SLE for sale in Roselle, NJ8% below similar
2021 GMC Sierra 2500HD SLE$43,499118,884 mi · Roselle, NJElmora Auto Sales 2
2021 GMC Sierra 2500HD for sale in Milford, OH5% below similar
2021 GMC Sierra 2500HD$44,900116,000 mi · Milford, OHMira Auto Sales East
2021 Gmc Sierra 2500HD Denali Crew Cab 4WD for sale in Princeton, NC5% below similar
2021 Gmc Sierra 2500HD Denali Crew Cab 4WD$44,995176,886 mi · Princeton, NCPrinceton Pre-Owned LLC
2021 GMC Sierra 2500HD Denali for sale in Austin, TX
2021 GMC Sierra 2500HD Denali$46,678106,813 mi · Austin, TXCovert Ford
2021 GMC Sierra 2500HD for sale in Reno, NV
2021 GMC Sierra 2500HD$47,45086,488 mi · Reno, NVGolden Auto Sales
2021 GMC Sierra 2500HD AT4 Crew Cab 4WD for sale in Brooks, KY
2021 GMC Sierra 2500HD AT4 Crew Cab 4WD$47,89566,047 mi · Brooks, KYAuburndale Motorsports
2021 GMC Sierra 2500HD Denali Truck Duramax V8 Turbodiesel for sale in Prattville, AL
2021 GMC Sierra 2500HD Denali Truck Duramax V8 Turbodiesel$49,895104,000 mi · Prattville, ALLong-Lewis Ford of the River Region
2021 GMC Sierra 2500HD AT4 for sale in Sacramento, CA
2021 GMC Sierra 2500HD AT4$49,99073,991 mi · Sacramento, CALegacy Motors Inc
2021 GMC Sierra 2500HD for sale in Modesto, CA
2021 GMC Sierra 2500HD$50,127120,440 mi · Modesto, CACENCAL AUTOMOTIVE, INC.
2021 GMC Sierra 2500HD AT4 for sale in Woodbridge, VA
2021 GMC Sierra 2500HD AT4$51,24542,230 mi · Woodbridge, VAKoons Woodbridge Ford
2021 GMC Sierra 2500HD Denali for sale in Greenville, MI
2021 GMC Sierra 2500HD Denali$52,99599,173 mi · Greenville, MIBlake Hollenbeck Auto Sales
2021 GMC Sierra 2500HD Denali Truck Crew Cab for sale in Reno, NV
2021 GMC Sierra 2500HD Denali Truck Crew Cab$54,37974,814 mi · Reno, NVLithia Chrysler Jeep of Reno
2021 GMC Sierra 2500HD Denali Truck Duramax V8 Turbodiesel for sale in Colorado Springs, CO
2021 GMC Sierra 2500HD Denali Truck Duramax V8 Turbodiesel$56,99561,389 mi · Colorado Springs, COPhil Long Ford of Chapel Hills
2021 GMC Sierra 2500HD Denali for sale in Santa Clara, CA
2021 GMC Sierra 2500HD Denali$59,88883,006 mi · Santa Clara, CAEuro Auto Sale
2021 GMC Sierra 2500HD for sale in Stokesdale, NC
2021 GMC Sierra 2500HD$60,99588,937 mi · Stokesdale, NCPriority One Auto Sales
2021 GMC Sierra 2500HD AT4 for sale in Crete, IL
2021 GMC Sierra 2500HD AT4$62,99531,826 mi · Crete, ILNew Look Enterprises Inc
2021 GMC Sierra 2500HD for sale in Stokesdale, NC
2021 GMC Sierra 2500HD$62,99567,065 mi · Stokesdale, NCPriority One Auto Sales
2021 GMC Sierra 2500HD Denali for sale in Dixon, CA
2021 GMC Sierra 2500HD Denali$67,50015,463 mi · Dixon, CADuPratt Ford Dixon
2021 GMC Sierra 2500HD Denali for sale in Sparta, MI48% below similar
2021 GMC Sierra 2500HD Denali$24,500400,000 mi · Sparta, MIMomber Sales
See all 23 2021 GMC Sierra 2500HD listings
Sorted by how far each asking price is below the median of the same model within one model year (all current listings nationwide). Badges show listings at least 5% below that median. Listings priced under 60% of that median (often data errors or damaged vehicles) and model years with fewer than 5 comparable listings are listed after the ranked ones.
By model year

GMC Sierra 2500HD market data by model year

Listings and median asking price per model year. Pages for years with fewer than 5 listings show the listings only.
Shop locally

2021 GMC Sierra 2500HD for sale by city

FAQ

Frequently asked questions

What is the average asking price of a 2021 GMC Sierra 2500HD?
Across 23 current listings on AutosXchange, the median asking price of a 2021 GMC Sierra 2500HD is $49,895. Most listings (10th to 90th percentile) ask between $33,376 and $62,595. These are dealer asking prices, not sold prices.
How many GMC Sierra 2500HD are for sale?
AutosXchange currently lists 23 vehicles from 22 dealerships in 12 states.
What mileage is typical for a 2021 GMC Sierra 2500HD?
The median odometer reading is 99,173 miles; the middle half of listings show between 70,528 and 121,589 miles (23 listings with a published odometer).
What is a fair asking price for a 2021 GMC Sierra 2500HD?
Half of current listings ask between $44,200 and $55,687 (25th to 75th percentile), around a median of $49,895. 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 2500HD for sale?
California has the most current listings (4), followed by Alabama (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.