New & Used 2026 GMC Sierra 3500HD for Sale nearKey West, FL
161 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 16,068
- Stock #:
- T3777A
- VIN:
- 1GT4UWEY2SF293360

2025 GMC Sierra 3500HD
Denali Crew Cab 4WD
16,068 mi
$71,784
- 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
$76,727
- 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:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 17,197
- Stock #:
- ZC26253
- VIN:
- 1GT4UYEY0SF182818

2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
17,197 mi
$80,464
- 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:
- 26,142
- Stock #:
- 2223B
- VIN:
- 1GT4UTE78SF256707

2025 GMC Sierra 3500HD
SLE Crew Cab 4WD
26,142 mi
$59,712
- 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:
- 20,955
- Stock #:
- 10088
- VIN:
- 1GT4UYEY2SF251377

2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
20,955 mi
$85,478
- 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:
- 8,987
- Stock #:
- 10233
- VIN:
- 1GT4UYEY1SF107464

2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
8,987 mi
$86,478
- 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:
- 1,547
- Stock #:
- PB10144A
- VIN:
- 1GT4UYEY7TF217940

2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
1,547 mi
$97,333
- 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:
- 23,662
- Stock #:
- P72946
- VIN:
- 1GT4UYEY3SF172946

2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
23,662 mi
$82,862
- 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
$86,847
- 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:
- White Frost Tricoat
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 22,948
- Stock #:
- 59104985
- VIN:
- 1GT4UWEY8SF104985
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2025 GMC Sierra 3500HD
Denali Crew Cab 4WD
22,948 mi
$77,230
- 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
$93,165
- 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:
- Alpine Umber
- Transmission:
- Automatic
- Mileage:
- 10,327
- Stock #:
- CT0019
- VIN:
- 1GT4UYEY2SF117601

2025 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
10,327 mi
No Price Listed
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 2 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black Vinyl Seat Trim
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T4463
- VIN:
- 1GT3USEY1TF285837

2026 GMC Sierra 3500HD
Pro Regular Cab LB DRW 4WD
New car
New car
MSRP $68,340
$61,666
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:
- 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
$81,750
- 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:
- Alpine Umber Full Grain Leather Seating Surfaces
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T3816
- VIN:
- 1GT4UYEY0TF259429

2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
New car
New car
MSRP $102,164
$93,590
- 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:
- Volcanic Red Tintcoat
- Fuel type:
- Biodiesel
- Interior color:
- Jet Black With Kalahari Accents Perforated Front L
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T4752
- VIN:
- 1GT4UVEY2TF306376

2026 GMC Sierra 3500HD
AT4 Crew Cab 4WD
New car
New car
MSRP $92,639
$82,986
- 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:
- Downpour Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber Full Grain Leather Seating Surfaces
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T4827
- VIN:
- 1GT4UYEY7TF313132

2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
New car
New car
MSRP $102,164
$93,094
- 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:
- Jet Black Forge Perforated Leather Seating Surface
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T3252
- VIN:
- 1GT4UWEY4TF240905

2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
New car
New car
MSRP $94,559
$83,230
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 2 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- M9030
- VIN:
- 1GT3USE77SF258437

2025 GMC Sierra 3500HD
Pro Regular Cab LB 4WD
New car
New car
MSRP $55,275
$49,511
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Cardinal Red
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- 21940
- VIN:
- 1GD5UTE7XTF207588

2026 GMC Sierra 3500HD
SLE Double Cab LB DRW 4WD
New car
New car
MSRP $63,163
$64,828
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 3500HD
- Body type:
- Pickup Truck
- Doors:
- 2 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Summit White
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- T26595
- VIN:
- 1GT3UTEYXTF207417

2026 GMC Sierra 3500HD
SLE Regular Cab LB 4WD
New car
New car
MSRP $75,500
$69,771
- 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:
- Atmosphere/brownstone Forge Perforated Leather Sea
- Transmission:
- Automatic
- Mileage:
- 0
- Stock #:
- T3269
- VIN:
- 1GT4UWEY6TF240985

2026 GMC Sierra 3500HD
Denali Crew Cab 4WD
New car
New car
MSRP $93,959
$82,692
- 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:
- Downpour Metallic
- Fuel type:
- Biodiesel
- Interior color:
- Alpine Umber Full Grain Leather Seating Surfaces
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- T4696
- VIN:
- 1GT4UYEY0TF302053

2026 GMC Sierra 3500HD
Denali Ultimate Crew Cab 4WD
New car
New car
MSRP $102,164
$93,094
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.
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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 trends