New GMC Sierra 2500HD Denali for Sale nearO Fallon, IL
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 Leather
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- T261553
- VIN:
- 1GT4UREY1TF317439
Sponsored by Dave Sinclair Buick GMC
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
$77,229
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 8
- Stock #:
- 8071
- VIN:
- 1GT4UREY5TF283005
Sponsored Listing
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $94,910
$83,508
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 Leather
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- 87045
- VIN:
- 1GT4UREY5TF112383
-$1,844
Sponsored Listing
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $92,235
$81,674
$79,830
- Year:
- 2026
- 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
- Transmission:
- Automatic
- Mileage:
- 3
- Stock #:
- BF330981
- VIN:
- 1GT4URE70TF349323
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $80,375
$70,154
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 401 hp 6.6L V8
- Exterior color:
- Sterling Metallic
- Fuel type:
- Gasoline
- Mileage:
- 8
- Stock #:
- G4758
- VIN:
- 1GT4URE78TF339428
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $80,325
$71,832
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 26
- Stock #:
- 261076
- VIN:
- 1GT4UREY7TF191443
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $90,115
$78,180
- Year:
- 2026
- 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
- Transmission:
- Automatic
- Mileage:
- 1
- Stock #:
- 112806
- VIN:
- 1GT4URE78TF299562
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $81,875
$74,469
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 470 hp 6.6L V8 Biodiesel
- Exterior color:
- Gray
- Fuel type:
- Biodiesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- 8058
- VIN:
- 1GT4UREY1TF270042
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $91,789
$78,887
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 7
- Stock #:
- 8069
- VIN:
- 1GT4UREY3TF283200
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $91,460
$78,558
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 6
- Stock #:
- G8871
- VIN:
- 1GT4UREY9TF300520
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $93,435
$82,543
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- 3
- Stock #:
- BG330996
- VIN:
- 1GT4UREY2TF371994
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $91,135
$78,230
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- 7
- Stock #:
- 260956
- VIN:
- 1GT4UREY5TF260226
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $98,504
$85,435
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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
- Mileage:
- 7
- Stock #:
- G4732
- VIN:
- 1GT4UREY1TF290680
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $89,455
$78,640
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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
- Transmission:
- Automatic
- Mileage:
- 5
- Stock #:
- BF330928
- VIN:
- 1GT4UREY8TF299201
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $93,955
$79,800
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- 7
- Stock #:
- L266051
- VIN:
- 1GT4UREY4TF289619
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $92,410
$82,291
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 8
- Stock #:
- 8071
- VIN:
- 1GT4UREY5TF283005
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $94,910
$83,508
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- 3
- Stock #:
- BG331002
- VIN:
- 1GT4UREY7TF366208
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $91,135
$78,230
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 Seat Trim
- Transmission:
- Automatic
- Mileage:
- 13
- Stock #:
- 261037
- VIN:
- 1GT4UREY5TF306718
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $91,445
$78,826
- Year:
- 2026
- 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:
- Automatic
- Mileage:
- 7
- Stock #:
- L267477
- VIN:
- 1GT4URE78TF338781
-$2,000
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $82,420
$76,651
$74,651
- Year:
- 2026
- 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:
- Automatic
- Mileage:
- 7
- Stock #:
- L267183
- VIN:
- 1GT4URE7XTF343609
-$2,000
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $82,420
$76,651
$74,651
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 Leather
- Transmission:
- Automatic
- Mileage:
- 9
- Stock #:
- 87496
- VIN:
- 1GT4UREY3TF296707
-$1,854
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $92,735
$82,129
$80,275
- Year:
- 2026
- 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:
- Automatic
- Mileage:
- 7
- Stock #:
- L267182
- VIN:
- 1GT4URE7XTF343903
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $80,920
$73,278
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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 Leather
- Transmission:
- Automatic
- Mileage:
- 4
- Stock #:
- 87045
- VIN:
- 1GT4UREY5TF112383
-$1,844
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $92,235
$81,674
$79,830
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 2500HD
- 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:
- 5
- Stock #:
- 261064
- VIN:
- 1GT4UREYXTF259959
2026 GMC Sierra 2500HD
Denali Crew Cab 4WD
New car
MSRP $98,504
$85,435
Overview
Key Features
- Standard 6.6-liter gas engine, available diesel
- Six-speed heavy-duty transmission
- Four-wheel drive
- Trailering assistance functions
- Available Allison ten-speed transmission
Pricing Details
Specifications
Performance
Engine
Standard 6.6-liter V8
Transmission
Six-speed automatic
Drivetrain
Four-wheel drive
Horsepower/Torque
401 hp/464 lb-ft
0-60 mph
7.5 seconds (estimated)
MPG
N/A (HD trucks are not subject to EPA fuel economy measurements)
Curb weight
6,642 pounds
Dimensions
wheelbase
158.94 inches (standard bed)
length
250.08 inches (standard bed)
width
250.08 inches (standard bed)
height
79.82 inches
*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.
FAQs
What fuel types are available?
*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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