Used 2021 GMC Sierra 2500HD for Sale nearWorcester, MA
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 36,602
- Stock #:
- KU1190
- VIN:
- 1GT49REY1LF188474


Sponsored by McGovern Kia of Norwood
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
36,602 mi
$54,995
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 27,996
- Stock #:
- SP1570
- VIN:
- 1GT19PEY3NF102611

Sponsored Listing
2022 GMC Sierra 2500HD
AT4 Crew Cab 4WD
27,996 mi
$60,059
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Blue
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 52,566
- Stock #:
- 5405
- VIN:
- 1GT49PE75MF197241

Sponsored Listing
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
52,566 mi
$52,994
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- White
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 23,703
- Stock #:
- 70154301
- VIN:
- 1GT49REY4MF320113

2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
23,703 mi
$61,647
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 6-Speed Automatic
- Mileage:
- 86,571
- VIN:
- 1GT49ME78LF108307

2020 GMC Sierra 2500HD
SLE Crew Cab LB 4WD
86,571 mi
$34,199
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- 6-Speed Automatic
- Mileage:
- 60,323
- Stock #:
- S26418A
- VIN:
- 1GT49PE71LF313534

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
60,323 mi
$45,301
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Dark Ash Gray
- Transmission:
- 6-Speed Automatic
- Mileage:
- 107,155
- Stock #:
- UP8102
- VIN:
- 1GT49RE71NF102526

2022 GMC Sierra 2500HD
Denali Crew Cab 4WD
107,155 mi
$43,245
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- White
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 152,250
- VIN:
- 1GT49PEY5NF120234

2022 GMC Sierra 2500HD
AT4 Crew Cab 4WD
152,250 mi
$37,900
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 100,704
- Stock #:
- HD235633
- VIN:
- 1GT49PE77LF235633

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
100,704 mi
$38,980
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- White Frost Tricoat
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 77,914
- Stock #:
- P19060A
- VIN:
- 1GT49RE71LF288310

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
77,914 mi
$46,967
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Pacific Blue Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 126,621
- Stock #:
- V2655A
- VIN:
- 1GT59ME76LF250675

2020 GMC Sierra 2500HD
SLE Double Cab 4WD
126,621 mi
$28,225
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 95,968
- Stock #:
- 207765
- VIN:
- 1GT49ME75MF207765

2021 GMC Sierra 2500HD
SLE Crew Cab 4WD
95,968 mi
$35,564
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Pacific Blue Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- 6-Speed Automatic
- Mileage:
- 69,426
- Stock #:
- 26104A
- VIN:
- 1GT49PE71LF138816

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
69,426 mi
$49,467
CarGurus Analysis:
2021 GMC Sierra 2500HD
With 221 currently listed for sale near Worcester, MA and an average price of $53,085, 26.2% of 2021 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 2500HD 5 / 5 stars.
82.4% of 2021 Sierra 2500HD models on CarGurus are accident free.
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 72,607
- Stock #:
- 48863A
- VIN:
- 1GT49PEY6MF310820

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
72,607 mi
$50,967
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 125,667
- Stock #:
- M6882A
- VIN:
- 1GT49RE78LF244451

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
125,667 mi
$40,393
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 36,602
- Stock #:
- KU1190
- VIN:
- 1GT49REY1LF188474

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
36,602 mi
$54,995
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 6-Speed Automatic
- Mileage:
- 110,041
- Stock #:
- LF313068
- VIN:
- 1GT49NE73LF313068

2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
110,041 mi
$38,882
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Black
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 118,028
- Stock #:
- J1413FNG
- VIN:
- 1GT49REY0LF189504

2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
118,028 mi
$47,019
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 51,794
- Stock #:
- C49174
- VIN:
- 1GT49PE79NF264084

2022 GMC Sierra 2500HD
AT4 Crew Cab 4WD
51,794 mi
$54,467
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black with Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 205,543
- Stock #:
- OT13430
- VIN:
- 1GT49PEY6LF325347

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
205,543 mi
$30,620
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic
- Mileage:
- 94,297
- Stock #:
- SLB6057A
- VIN:
- 1GT49PE75NF224889

2022 GMC Sierra 2500HD
AT4 Crew Cab 4WD
94,297 mi
$47,787
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 90,488
- Stock #:
- X317399
- VIN:
- 1GT19PEYXNF317399

2022 GMC Sierra 2500HD
AT4 Crew Cab 4WD
90,488 mi
$48,854
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 125,667
- Stock #:
- M6882A
- VIN:
- 1GT49RE78LF244451

Sponsored Listing
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
125,667 mi
$40,393
CarGurus Analysis: 2021 GMC Sierra 2500HD

Summary
With 221 currently listed for sale near Worcester, MA and an average price of $53,085, 26.2% of 2021 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 2500HD 5 / 5 stars.
82.4% of 2021 Sierra 2500HD models on CarGurus are accident free.
Why it stands out
The 2021 GMC Sierra 2500HD stands out as a heavy-duty pickup that leans more upscale than many rivals. In this generation, GMC offers more trim levels than the related Chevy Silverado 2500HD, along with a broader range of upscale options and features. The Denali and Denali Ultimate trims are described as more luxurious than the Silverado’s top-tier High Country trim, which helps give the Sierra 2500HD a more premium feel. It also comes with a wide spread of cabin and bed configurations, including Regular Cab, Crew Cab, and Double Cab body styles, plus 7-foot or 8-foot-2-inch cargo bed options.
For 2021, the Sierra 2500HD is available with a 6.6-liter V8 gas engine paired with a six-speed automatic transmission, or a 6.6-liter Duramax turbodiesel V8 with a 10-speed automatic transmission from Allison. Rear- and four-wheel drive are available. The truck’s equipment list is broad, with Bluetooth, Android Auto, Apple CarPlay, and wifi hotspot accessibility through the GMC infotainment system, plus available features such as remote keyless entry and rear-seat reminders. Higher trims can add a Bose Premium audio system, power-adjustable front seats, chrome grille trim, dual-zone automatic climate control, and power-folding tailgate options, while AT4 models bring off-road hardware and accessories such as skid plates, off-road suspension upgrades, and a more robust transfer case.
That premium positioning comes with some tradeoffs. The truck had very high MSRPs when new, and used examples can show a range of problems, including check engine lights tied to diesel particulate filters or emissions sensors, sluggish infotainment responses, rough or delayed shifts, electrical glitches, MultiPro tailgate issues, and faulty trailer brake controllers. Even so, the 2021 GMC Sierra 2500HD remains appealing for buyers who want a heavy-duty truck with strong capability, a wide trim spread, and more comfort and technology than many competitors.
Other model years to consider
- Average price: $68,215
- Good/great deal percentage: 22.8%
- User rating: 5 / 5
- Total listings: 452
- Average price: $40,923
- Good/great deal percentage: 21.5%
- User rating: 4.86 / 5
- Total listings: 144
- Average price: $63,614
- Good/great deal percentage: 23.7%
- User rating: 4.2 / 5
- Total listings: 434
This analysis is based on CarGurus' proprietary market data from September 28, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
5.0 Overall rating
Filter by rating
Allan K
Reviewed a 2021 GMC Sierra 2500HD on Jan 18, 2021
-Excellent trailering mirrors with lights, allow increased visibility when backing up at night -Engine noise is relatively quiet compared to older diesel pick ups, can order at fast food drive throughs without shutting engine off -Fuel economy is good for a vehicle of this size (I have 3500HD, not 2500HD) -Driver safety features and various camera views are very helpful -Trim version for this review is Denali, with power running boards, really not missing anything significant
Anonymous
Reviewed a 2021 GMC Sierra 2500HD on Sep 3, 2022
An absolutely beautiful pickup ! Handles & rides exceptionally well !! Nobody will regret making the decision to purchase this awesome truck .
jordyn c
Reviewed a 2021 GMC AT4 Crew Cab 4WD on Dec 4, 2023
This car is not missing nothing at all it is perfect
Kevin K
Reviewed a 2021 GMC Sierra 2500HD on Apr 21, 2022
So far we are very happy.We appreciate the options and layout
2021 GMC Sierra 2500HD Trims
| Trim type | MSRP |
|---|---|
| Denali Crew Cab LB 4WD | $65,700 |
| SLE Double Cab 4WD | $46,400 |
| Base Crew Cab 4WD | $43,400 |
| Double Cab 4WD | $41,600 |
| SLE Crew Cab 4WD | $48,200 |
| SLT Crew Cab 4WD | $56,200 |
| AT4 Crew Cab 4WD | $59,100 |
| Denali Crew Cab 4WD | $65,500 |
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
2021 GMC Sierra 2500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Sierra 2500HD prices has changed over time.
See more price trends2021 GMC Sierra 2500HD Pricing Analysis: Worcester, MA Market Report
Pricing by Nearby Locations
Market Area: Worcester, MA
Key Insights
- Lowest Prices in Brattleboro, VT: The market in Brattleboro, VT ($37,898) offers the most competitive pricing, likely due to lower demand or higher inventory turnover.
- Highest Prices in Hartford, CT: Conversely, Hartford, CT ($53,128) commands the highest average price, indicating strong demand or limited supply in that area.
- Inventory Variation: Cities like Groton, MA (220 listings) and Chicopee, MA (226 listings) show a healthy inventory, which correlates with average prices around $49,778 and $52,534, respectively.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Hartford, CT | 227 | $53,128 |
| Providence, RI | 204 | $53,085 |
| Plymouth, MA | 198 | $53,085 |
| Chicopee, MA | 226 | $52,534 |
| Groton, MA | 220 | $49,778 |
| Boston, MA | 209 | $48,910 |
| Manchester, NH | 210 | $46,696 |
| Portsmouth, NH | 208 | $52,045 |
| New Bedford, MA | 202 | $53,085 |
| Brattleboro, VT | 196 | $37,898 |
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 2500HD is priced at $82,693, which is approximately 76.5% above its MSRP, indicating strong demand for the latest model.
- Depreciation Trends: The 2016 model shows the steepest depreciation at -28.0% compared to its original MSRP, reflecting typical market behavior for older vehicles.
- Best Value Years: The 2022 model is priced at $48,671, which is only -1.4% below its MSRP, making it a compelling option for buyers seeking newer vehicles with minimal depreciation.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $47,000 | $82,693 | +76.5% |
| 2025 | $46,300 | $68,963 | +48.7% |
| 2024 | $45,400 | $64,404 | +42.0% |
| 2023 | $42,200 | $56,245 | +33.3% |
| 2022 | $36,200 | $48,671 | -1.4% |
| 2020 | $35,800 | $44,081 | +23.1% |
| 2019 | $38,200 | $35,345 | -7.7% |
| 2018 | $35,000 | $32,295 | -7.7% |
| 2017 | $34,190 | $31,220 | -8.7% |
| 2016 | $33,535 | $24,172 | -28.0% |
| 2015 | $33,195 | $25,549 | -23.2% |
These recommendations are based on CarGurus' proprietary market data from September 23, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
How much does the 2021 GMC Sierra 2500HD cost?
| Metric | Value |
|---|---|
| Current Average Price | $50,222 |
| Year-Round Low | $50,222 |
| Year-Round High | $53,510 |
| Average Price a Year Ago | $53,512 |
| Change vs. Last Year | −6.15% |
Prices have softened 6.15% compared to this time last year, making it a favorable time to shop this model year.
There are 1,867 listings available, which gives you a meaningful amount of inventory to compare.
Is the 2021 GMC Sierra 2500HD a good car?
Yes — the 5/5 user rating points to strong owner satisfaction. The 2021 GMC Sierra 2500HD stands out as a heavy-duty pickup that leans more upscale than many rivals, with more trim levels than the related Silverado 2500HD and a broader range of upscale options and features. If you want a heavy-duty truck with a premium feel, wide cabin and bed choices, and a strong mix of comfort and technology, this model year fits that use case well. 31.5% of listings are priced as good or great deals, which gives you some room to shop selectively.
Is the 2021 GMC Sierra 2500HD reliable?
Owners rate it 5/5, a strong signal of long-term satisfaction.
The 2021 GMC Sierra 2500HD is described as a capable heavy-duty truck with a broad equipment list, but used examples can show a range of problems, including check engine lights, sluggish infotainment responses, rough or delayed shifts, electrical glitches, MultiPro tailgate issues, and faulty trailer brake controllers. That means your long-term ownership risk is less about the truck’s core mission and more about making sure the specific used example has been maintained and inspected carefully.
What should I look for when buying a used 2021 GMC Sierra 2500HD?
Accident-free inventory is solid at 78.3% — always verify the vehicle history report.
You should prioritize a history report, then focus your inspection on signs of prior damage, electrical behavior, and drivetrain smoothness. Pay close attention to the infotainment system, transmission operation, trailer-brake function, and tailgate operation, since those are the kinds of areas that can separate a clean truck from an expensive headache. Because this model can be used hard, condition matters as much as mileage.
Is now a good time to buy a used 2021 GMC Sierra 2500HD?
This looks like a moderate market for selective buyers, so you can shop with some leverage if you stay disciplined.
- Deal availability: 31.5% of listings are priced as good or great deals.
- Inventory: There are 1,867 listings available.
- Price trend: Prices have softened 6.15% compared with last year.
- Clean inventory: 78.3% of listings are accident-free.
If you find a listing below $50,222, that's toward the low end of the year-round range and worth acting on quickly.
What is the 2021 GMC Sierra 2500HD's resale value?
The current average of $50,222 sits slightly below last year's $53,512.
That price movement suggests the market has cooled a bit, which can help you buy at a better entry point today. For a future seller, the softer trend means you may not see the same upside you would have a year ago, so condition and trim choice matter more if you want to protect value. A well-kept truck with desirable equipment should still draw interest, especially if it presents cleanly and checks out mechanically.
Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.
Should I buy a 2021 GMC Sierra 2500HD or consider a different year?
If you're weighing the 2021 against nearby model years, here's how to think about it:
Choose the 2021 if:
- 31.5% of listings are priced as good or great deals.
- Accident-free inventory is solid at 78.3% — always verify the vehicle history report.
- Price trend: Prices have softened 6.15% compared with last year.
- Owners rate it 5/5 — a strong satisfaction signal.
Consider the 2020 if:
- At $48,906, the 2020 costs less than the current year's $50,222 average.
- It emphasizes capability and upscale appeal, but its luxury feel is less convincing.
Consider the 2022 if:
- At $51,523, the 2022 costs more than the current year's $50,222 average.
- It broadens the focus to more well-rounded features for work and play.
The bottom line: The 2021 is the best primary path if you want a premium-leaning heavy-duty truck with strong owner satisfaction and a softer price than last year. If you are more price-sensitive, the 2020 is the better value play, while the 2022 makes sense if you want the newer-year balance of capability and features and are willing to pay a bit more.
These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
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Best Truck Lease Deals in September 2026
Leasing a truck can be a great way to get into one of the latest models, with the best technology, at a more affordable monthly price. Here are the best deals we've found this month.

2026 GMC Sierra 2500HD Pricing, Specs, and Release Date
Aside from a freshened color palette and broader availability of the trick MultiPro Tailgate, the 2026 GMC Sierra 2500HD full-size pickup truck soldiers on as a premium workhorse capable of towing up to 20,000 pounds in luxurious style.

2025 GMC Sierra 2500HD Pricing, Specs, and Release Date
Slotted between the light-duty 1500 and the ultra-tough 3500HD, the 2025 GMC Sierra 2500HD balances immense capability with the comfort and latest amenities expected from today's truck buyers. Upgrades for 2025 include a newly standard trailer brake controller.