Used 2020 GMC Sierra 2500HD for Sale nearPhoenix, AZ
115 vehicles found
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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,913
- Stock #:
- LF242520
- VIN:
- 1GT19REY8LF242520
Sponsored by AutoNation Ford Scottsdale
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
58,913 mi
$57,763
- Year:
- 2019
- 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
- Transmission:
- 6-Speed Automatic
- Mileage:
- 127,397
- Stock #:
- KT3897A
- VIN:
- 1GT12SEY7KF112951
Sponsored Listing
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
127,397 mi
$41,989
- 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:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 54,522
- Stock #:
- 119598
- VIN:
- 1GT19PEY8MF274745
Sponsored Listing
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
54,522 mi
$58,894
- Year:
- 2019
- 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
- Transmission:
- 6-Speed Automatic
- Mileage:
- 127,397
- Stock #:
- KT3897A
- VIN:
- 1GT12SEY7KF112951
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
127,397 mi
$41,989
- 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:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 102,749
- Stock #:
- S792
- VIN:
- 1GT49NEY1MF281375
2021 GMC Sierra 2500HD
SLT Crew Cab 4WD
102,749 mi
$41,499
- 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:
- Automatic
- Mileage:
- 72,316
- Stock #:
- 5164
- VIN:
- 1GT49PE79MF272720
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
72,316 mi
$50,619
- 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:
- 122,700
- Stock #:
- 5267
- VIN:
- 1GT49NEYXLF111711
2020 GMC Sierra 2500HD
SLT Crew Cab 4WD
122,700 mi
$44,641
- 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:
- Black
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 108,618
- Stock #:
- 269434
- VIN:
- 1GT49REY9MF269434
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
108,618 mi
$47,344
- 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
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 84,150
- Stock #:
- F324363
- VIN:
- 1GT49RE76LF324363
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
84,150 mi
$47,758
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White Frost Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 79,704
- Stock #:
- 26292B
- VIN:
- 1GT12SEY9KF279991
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
79,704 mi
$50,586
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Black
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 42,647
- Stock #:
- 28756534
- VIN:
- 1GT49REY3MF177218
2021 GMC Sierra 2500HD
Denali Crew Cab 4WD
42,647 mi
$60,097
- 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:
- 100,881
- Stock #:
- 3386
- VIN:
- 1GT49PEY2MF310832
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
100,881 mi
$48,912
- 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:
- Carbon Black Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 104,435
- Stock #:
- STK341496
- VIN:
- 1GT19PEY0LF341496
2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
104,435 mi
$47,272
CarGurus Analysis:
2020 GMC Sierra 2500HD
With 124 currently listed for sale near Phoenix, AZ and an average price of $56,739.00, 23.4% of 2020 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 2500HD 4.86 / 5 stars.
70.2% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD offers multiple powertrain options, ample cargo space, and a luxurious Denali trim that enhances comfort and capability.
- 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:
- Red
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 60,597
- Stock #:
- G61291A
- VIN:
- 1GT49PEY5MF312347
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
60,597 mi
$55,749
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 84,490
- Stock #:
- P21260C
- VIN:
- 1GT49PEY4MF276845
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
84,490 mi
$52,626
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 6.6L V8 Biodiesel
- Exterior color:
- White Frost Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- JET BLACK, PERFORATED LEATHER-APPOINTED SEAT TRIM
- Transmission:
- Automatic
- Mileage:
- 87,983
- Stock #:
- 267503B
- VIN:
- 1GT12SEY8KF264057
2019 GMC Sierra 2500HD
Denali Crew Cab 4WD
87,983 mi
$44,614
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Gray (Dark Walnut/Dark Ash Grey)
- Transmission:
- Automatic
- Mileage:
- 113,803
- Stock #:
- 4767
- VIN:
- 1GT49REY1LF166989
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
113,803 mi
$47,859
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,913
- Stock #:
- LF242520
- VIN:
- 1GT19REY8LF242520
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
58,913 mi
$57,763
- 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:
- 97,492
- Stock #:
- 281171
- VIN:
- 1GT49REYXLF281171
2020 GMC Sierra 2500HD
Denali Crew Cab 4WD
97,492 mi
$52,460
- 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:
- 152,498
- Stock #:
- 104583
- VIN:
- 1GT49PEY9LF104583
2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
152,498 mi
$42,479
- 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:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 118,903
- Stock #:
- 261148
- VIN:
- 1GT49PEY8LF261148
2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
118,903 mi
$47,442
- 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:
- [GAZ] Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 120,732
- Stock #:
- 26296
- VIN:
- 1GT49LE78LF229607
![[GAZ] Summit White 2020 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/06/29/22/56/2020_gmc_sierra_2500hd-pic-6069435927858704834-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2020 GMC Sierra 2500HD
SLE Crew Cab 4WD
120,732 mi
$32,000
- 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:
- Automatic
- Mileage:
- 72,316
- Stock #:
- 5164
- VIN:
- 1GT49PE79MF272720
Sponsored Listing
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
72,316 mi
$50,619
CarGurus Analysis: 2020 GMC Sierra 2500HD
overall
Summary
With 124 currently listed for sale near Phoenix, AZ and an average price of $56,739.00, 23.4% of 2020 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Sierra 2500HD 4.86 / 5 stars.
70.2% of 2020 Sierra 2500HD models on CarGurus are accident free.
The 2020 GMC Sierra 2500HD offers multiple powertrain options, ample cargo space, and a luxurious Denali trim that enhances comfort and capability.
Why it stands out
The 2020 GMC Sierra 2500HD distinguishes itself with its robust performance and luxury features, particularly in the Denali trim. This heavy-duty truck is equipped with powerful V8 engine options, including a gas variant that produces 401 horsepower and a diesel option that delivers an impressive 445 horsepower and 910 lb-ft of torque. The Denali trim elevates the experience with premium materials and advanced technology, although some users have noted that the interior materials could feel less luxurious compared to competitors. The Sierra 2500HD is designed for serious work, capable of towing up to 18,510 pounds and hauling nearly 4,000 pounds of payload, making it an excellent choice for those needing a reliable workhorse. However, its size and turning radius can be challenging in urban environments, which is a consideration for potential buyers.
Other model years to consider
- Average price: $78,682.00
- Good/great deal percentage: 16.9%
- User rating: 5 / 5
- Total listings: 284
- Average price: $53,573.00
- Good/great deal percentage: 23.5%
- User rating: 5 / 5
- Total listings: 166
- Average price: $48,171.00
- Good/great deal percentage: 22.1%
- User rating: 5 / 5
- Total listings: 95
This analysis is based on CarGurus' proprietary market data from July 7, 2026, CarGurus experts' opinions, and generative AI.
4.9 Overall rating
Filter by rating
Cristobal R
Reviewed a 2020 GMC Denali Crew Cab 4WD on Dec 17, 2025
Absolutely love the truck and it was at a good price for the amount of miles and condition!
David Z
Reviewed a 2020 GMC AT4 Crew Cab 4WD on Nov 19, 2025
Looks great but a little pricey for the year. Even though it has low mileage. I would buy a newer truck.
David S
Reviewed a 2020 GMC Sierra 2500HD on Dec 28, 2023
The GMC 2500 HD is the truck for me. Like all the other major brands of trucks the price is in the same range. The diesel engine and 4x4 is about good as it gets. For work or play GMC is the way!!
William A
Reviewed a 2020 GMC Sierra 2500HD on Oct 10, 2021
One of the finest tow vehicles available. Comfort, tow capacity, reliability and just all around great looking. Can’t go wrong.
2020 GMC Sierra 2500HD Trims
| Trim type | MSRP |
|---|---|
| SLE Double Cab 4WD | $42,600 |
| Base Double Cab 4WD | $41,200 |
| Base LB 4WD | $38,600 |
| Base Crew Cab 4WD | $43,000 |
| SLE Crew Cab 4WD | $44,400 |
| SLT Crew Cab 4WD | $55,600 |
| AT4 Crew Cab 4WD | $58,300 |
| Denali Crew Cab 4WD | $64,300 |
2020 GMC Sierra 2500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 GMC Sierra 2500HD prices has changed over time.
See more price trends2020 GMC Sierra 2500HD Pricing Analysis: Phoenix, AZ Market Report
Pricing by Nearby Locations
Market Area: Phoenix, AZ
Key Insights
- Highest Prices in Apache Junction: The average price in Apache Junction ($56,739) is the highest among nearby cities, indicating strong demand or limited supply.
- Lowest Prices in Casa Grande: Casa Grande ($55,078) offers the lowest average price, suggesting a more competitive market or higher inventory levels.
- Stable Pricing Across Locations: The average prices across the cities range from $55,078 to $56,739, indicating relatively stable pricing dynamics in the region.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Apache Junction, AZ | 123 | $56,739 |
| Surprise, AZ | 122 | $56,702 |
| Casa Grande, AZ | 114 | $55,078 |
| Tucson, AZ | 106 | $53,200 |
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 2500HD is priced at $84,922, which is approximately 80.0% above its MSRP, indicating high demand for the latest model.
- Depreciation Trends: The 2015 model shows the steepest depreciation at -15.3%, while newer models like the 2023 and 2024 have retained value better, with depreciation around -1.4% to -2.0%.
- Best Value Years: The 2022 model is priced at $52,910, reflecting a modest depreciation of -1.6%, making it a potentially attractive option for buyers seeking value.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $47,000 | $84,922 | +80.0% |
| 2025 | $46,300 | $77,770 | +77.0% |
| 2024 | $45,400 | $72,468 | +59.7% |
| 2023 | $42,200 | $55,881 | +32.5% |
| 2022 | $36,200 | $52,910 | -1.6% |
| 2021 | $36,200 | $51,933 | -1.0% |
| 2019 | $38,200 | $45,496 | -1.8% |
| 2018 | $35,000 | $38,620 | +10.0% |
| 2017 | $34,190 | $44,520 | +30.4% |
| 2016 | $33,535 | $44,988 | +34.1% |
| 2015 | $33,195 | $28,127 | -15.3% |
These recommendations are based on CarGurus' proprietary market data from July 9, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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Relevant articles
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.
Who Makes GMC Cars?
GMC is an American automaker that builds premium trucks and SUVs with capability and comfort as selling points. GMC is a division of General Motors and all of its vehicles share platforms with other GM products. Certain products, like its trucks, are very closely related to Chevrolet products.
