New & Used 2026 GMC Sierra 3500HD for Sale nearOneco, CT
237 vehicles found
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 31,523
- Stock #:
- P42511A
- VIN:
- 1GT4UYEY6SF261152
Sponsored by Balise Chevrolet GMC
2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
31,523 mi
$77,761
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- White
- Fuel type:
- Biodiesel
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 4,975
- Stock #:
- 28991360
- VIN:
- 1GT4UWEY7TF126106
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
4,975 mi
$82,997
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 31,523
- Stock #:
- P42511A
- VIN:
- 1GT4UYEY6SF261152
2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
31,523 mi
$77,761
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 2,541
- Stock #:
- 1956
- VIN:
- 1GT4UTE79TF167875
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
2,541 mi
$60,349
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Titanium
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 13,391
- Stock #:
- 14864
- VIN:
- 1GT4UUEY1SF170573
2025 GMC Sierra 3500HD
SLT Crew Cab 4WD
13,391 mi
$71,580
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Sterling Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 26,153
- Stock #:
- 2223B
- VIN:
- 1GT4UTE78SF256707
2025 GMC Sierra 3500HD
SLE Crew Cab 4WD
26,153 mi
$59,266
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 16,956
- Stock #:
- G13774A
- VIN:
- 1GT4UYEY5SF230359
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2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
16,956 mi
$83,799
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Sterling Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 6,661
- Stock #:
- 13672
- VIN:
- 1GT4UWE79SF284114
2025 GMC Sierra 3500HD
Denali Crew Cab 4WD
6,661 mi
$76,541
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 9,705
- Stock #:
- P3625
- VIN:
- 1GT4UWEYXTF155390
2026 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
9,705 mi
$86,734
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 2,957
- Stock #:
- P3779
- VIN:
- 1GT4UYEYXSF312149
2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
2,957 mi
$91,940
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 25,430
- Stock #:
- A17357N
- VIN:
- 1GT4UWEY5SF275970
2025 GMC Sierra 3500HD
Denali Crew Cab LB DRW 4WD
25,430 mi
$76,729
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black, Forge Perforated Leather Seating Surfac
- Transmission:
- Automatic
- Mileage:
- 70
- Stock #:
- 21569
- VIN:
- 1GT4UWEY8SF286302
2025 GMC Sierra 3500HD
Denali Crew Cab 4WD
New car
New car
MSRP $91,585
$82,120
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 10
- Stock #:
- 261101
- VIN:
- 1GT4UTEY2TF282651
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $78,414
$72,293
CarGurus Analysis:
2026 GMC Sierra 3500HD
With 538 currently listed for sale and an average price of $87,697.00, 31.6% of 2026 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.
97.2% of 2026 Sierra 3500HD models on CarGurus are accident free.
The 2026 GMC Sierra 3500HD offers impressive hauling and towing capabilities, making it a strong choice for heavy-duty needs.
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Glacier White Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- G00692
- VIN:
- 1GT4UYEY6TF285906
2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
New car
New car
MSRP $106,515
$99,578
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- ONYX BLACK
- Fuel type:
- Biodiesel
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B287554
- VIN:
- 1GT4UTEY7TF287554
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $79,245
$73,718
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Biodiesel
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B298972
- VIN:
- 1GT4UTEY3TF298972
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $79,245
$73,718
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- SUMMIT WHITE
- Fuel type:
- Biodiesel
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- B258886
- VIN:
- 1GT4UTEY8TF258886
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $79,670
$74,144
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Onyx Black
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- 261065
- VIN:
- 1GT4UWEY8TF265760
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
New car
New car
MSRP $93,934
$85,541
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- SUMMIT WHITE
- Fuel type:
- Biodiesel
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B287329
- VIN:
- 1GT4UTEY0TF287329
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $78,750
$73,224
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Biodiesel
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 2
- Stock #:
- B287243
- VIN:
- 1GT4UTEY1TF287243
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $79,245
$73,718
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Glacier White Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- 261086
- VIN:
- 1GT4UWEY4TF265772
2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
New car
New car
MSRP $94,534
$86,075
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Sterling Metallic
- Fuel type:
- Biodiesel
- Interior color:
- JET BLACK
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- B258911
- VIN:
- 1GT4UTEY3TF258911
2026 GMC Sierra 3500HD
SLE Crew Cab 4WD
New car
New car
MSRP $80,165
$74,638
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- P42188
- VIN:
- 1GD4USE77SF150044
2025 GMC Sierra 3500HD
Pro Crew Cab LB 4WD
New car
New car
MSRP $57,853
$68,778
CarGurus Analysis: 2026 GMC Sierra 3500HD
Summary
With 538 currently listed for sale and an average price of $87,697.00, 31.6% of 2026 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.
97.2% of 2026 Sierra 3500HD models on CarGurus are accident free.
The 2026 GMC Sierra 3500HD offers impressive hauling and towing capabilities, making it a strong choice for heavy-duty needs.
Why it stands out
The 2026 GMC Sierra 3500HD excels in the heavy-duty truck segment by delivering a blend of robust performance and upscale features. With historically strong towing capabilities—up to 35,500 pounds when equipped with the right configuration and diesel engine—this truck is designed for serious work. It boasts luxurious appointments, particularly in higher trims like the Denali, offering premium leather, advanced technology, and innovative features meant for both work and leisure. With improvements in towing capacity and technology advancements over the years, the Sierra 3500HD remains a sophisticated choice amidst competition from Ford and Ram heavy-duty trucks. Additionally, with 97.2% of listings being accident-free, it stands out for its reliability, making it an appealing investment for buyers keen on a durable workhorse.
Other model years to consider
- Average price: $69,376.00
- Good/great deal percentage: 33.1%
- User rating: 5 / 5
- Total listings: 1,364
- Average price: $57,715.00
- Good/great deal percentage: 33.4%
- Total listings: 1,271
- Average price: $77,466.00
- Good/great deal percentage: 32.1%
- User rating: 5 / 5
- Total listings: 1,249
This analysis is based on CarGurus' proprietary market data from June 29, 2026, CarGurus experts' opinions, and generative AI.
2026 GMC Sierra 3500HD Trims
| Trim type | MSRP |
|---|---|
| Pro Crew Cab LB 4WD | $54,900 |
| SLE Crew Cab 4WD | $59,100 |
| Pro Crew Cab 4WD | $54,700 |
| Pro Regular Cab LB 4WD | $51,000 |
| SLT Crew Cab 4WD | $66,400 |
| AT4 Crew Cab 4WD | $73,400 |
| Denali Ultimate Crew Cab 4WD | $97,600 |
| Denali Crew Cab 4WD | $76,300 |
2026 GMC Sierra 3500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2026 GMC Sierra 3500HD prices has changed over time.
See more price trends2026 GMC Sierra 3500HD Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in Dallas: The Dallas, TX market commands the highest average price at $114,206, likely driven by high demand for heavy-duty trucks in the region.
- Lowest Price in 2014 Models: The 2014 GMC Sierra 3500HD is priced at $25,689, indicating significant depreciation for older models, which may attract budget-conscious buyers.
- Inventory Variation: Cities like Chicago (81 listings) and Houston (90 listings) show a healthy inventory, with average prices around $70K, suggesting a balanced market.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Dallas, TX | 91 | $114,206 |
| Philadelphia, PA | 71 | $109,436 |
| Los Angeles, CA | 63 | $91,099 |
| Miami, FL | 62 | $86,995 |
| Washington, DC | 75 | $87,645 |
| Atlanta, GA | 81 | $104,649 |
| Chicago, IL | 81 | $70,750 |
| New York, NY | 65 | $65,680 |
| Houston, TX | 90 | $95,821 |
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2025 GMC Sierra 3500HD is priced at $77,652, which is approximately 63.7% above its MSRP, indicating strong demand for the latest model.
- Depreciation Trends: The 2019 model shows a modest price of $41,957, reflecting a depreciation of -3.5% from its original MSRP, suggesting stable demand for this model year.
- Best Value in Older Models: The 2014 model is priced at $25,689, representing a significant drop of -21.5% from its MSRP, making it an attractive option for budget-conscious buyers.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2025 GMC Sierra 3500HD | $47,500 | $77,652 | +63.7% |
| 2024 GMC Sierra 3500HD | $46,600 | $70,801 | +51.9% |
| 2023 GMC Sierra 3500HD | $43,400 | $58,722 | +35.3% |
| 2022 GMC Sierra 3500HD | $41,400 | $56,053 | +35.3% |
| 2021 GMC Sierra 3500HD | $37,400 | $52,920 | +41.2% |
| 2020 GMC Sierra 3500HD | $37,000 | $51,504 | +39.2% |
| 2019 GMC Sierra 3500HD | $40,800 | $41,957 | -3.5% |
| 2018 GMC Sierra 3500HD | $36,100 | $42,673 | +18.2% |
| 2017 GMC Sierra 3500HD | $35,290 | $38,585 | +9.5% |
| 2016 GMC Sierra 3500HD | $34,635 | $35,546 | +2.6% |
| 2015 GMC Sierra 3500HD | $34,295 | $35,280 | +2.9% |
| 2014 GMC Sierra 3500HD | $32,805 | $25,689 | -21.5% |
These recommendations are based on CarGurus' proprietary market data from July 2, 2026, CarGurus experts' opinions, and generative AI.
FAQs
How much does the 2026 GMC Sierra 3500HD cost in Oneco, CT?
How many 2026 GMC Sierra 3500HD vehicles in Oneco, CT have no reported accidents or damage?
What fuel types are available?
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