Used 2012 GMC Sierra 2500HD Denali for SaleNationwide
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Fuel type:
- Diesel
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 154,460
- Stock #:
- 121043
- VIN:
- 1GT125E82CF121043

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
154,460 mi
$24,199
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Gray
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 96,786
- Stock #:
- L2782
- VIN:
- 1GT125E87CF208050

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
96,786 mi
$28,995
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 126,938
- Stock #:
- 134046
- VIN:
- 1GT125E87CF134046

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
126,938 mi
$34,173
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 89,034
- Stock #:
- 16603
- VIN:
- 1GT125E83CF153449

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
89,034 mi
$33,188
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 147,325
- Stock #:
- TN654245A
- VIN:
- 1GT125E84CF215196

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
147,325 mi
$29,585
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 176,488
- Stock #:
- A133154
- VIN:
- 1GT125E85CF133154

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
176,488 mi
$25,180
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 129,520
- Stock #:
- KJ8192
- VIN:
- 1GT125EG2CF135693

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
129,520 mi
$18,298
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 166,275
- Stock #:
- 127284-197
- VIN:
- 1GT125E8XCF127284

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
166,275 mi
$22,245
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 212,856
- Stock #:
- 24553A
- VIN:
- 1GT125E82CF155211
Photos coming soon
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
212,856 mi
$18,123
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Fuel type:
- Diesel
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 148,429
- Stock #:
- 2012gmc
- VIN:
- 1GT125E88CF118843

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
148,429 mi
$16,700
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 106,934
- Stock #:
- 226528B
- VIN:
- 1GT125E81CF196171
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
106,934 mi
$28,293
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 97,655
- Stock #:
- R6810
- VIN:
- 1GT125EG3CF228707

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
97,655 mi
$28,349
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- Automatic
- Mileage:
- 109,974
- Stock #:
- 124837
- VIN:
- 1GT125E8XCF124837

-$1,000
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
109,974 mi
$28,294
$27,294
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Onyx Black
- Interior color:
- Black (Ebony)
- Transmission:
- Automatic
- Mileage:
- 146,921
- VIN:
- 1GT125E89CF240806
Photos coming soon
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
146,921 mi
No Price Listed
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 240,426
- Stock #:
- 181712
- VIN:
- 1GT125E80CF181712

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
240,426 mi
$20,744
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 192,127
- Stock #:
- 416
- VIN:
- 1GT125E85CF223372

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
192,127 mi
$25,900
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 181,380
- VIN:
- 1GT115E83CF127775

2012 GMC Sierra 2500HD
Denali Crew Cab SB
181,380 mi
$25,195
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Fuel type:
- Diesel
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 154,460
- Stock #:
- 121043
- VIN:
- 1GT125E82CF121043

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
154,460 mi
$24,199
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Gray
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 96,786
- Stock #:
- L2782
- VIN:
- 1GT125E87CF208050

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
96,786 mi
$28,995
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 126,938
- Stock #:
- 134046
- VIN:
- 1GT125E87CF134046

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
126,938 mi
$34,173
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 89,034
- Stock #:
- 16603
- VIN:
- 1GT125E83CF153449

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
89,034 mi
$33,188
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 147,325
- Stock #:
- TN654245A
- VIN:
- 1GT125E84CF215196

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
147,325 mi
$29,585
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 176,488
- Stock #:
- A133154
- VIN:
- 1GT125E85CF133154

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
176,488 mi
$25,180
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 129,520
- Stock #:
- KJ8192
- VIN:
- 1GT125EG2CF135693

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
129,520 mi
$18,298
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 166,275
- Stock #:
- 127284-197
- VIN:
- 1GT125E8XCF127284

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
166,275 mi
$22,245
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 212,856
- Stock #:
- 24553A
- VIN:
- 1GT125E82CF155211
Photos coming soon
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
212,856 mi
$18,123
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Fuel type:
- Diesel
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 148,429
- Stock #:
- 2012gmc
- VIN:
- 1GT125E88CF118843

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
148,429 mi
$16,700
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 106,934
- Stock #:
- 226528B
- VIN:
- 1GT125E81CF196171
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
106,934 mi
$28,293
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 360 hp 6L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 97,655
- Stock #:
- R6810
- VIN:
- 1GT125EG3CF228707

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
97,655 mi
$28,349
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Onyx Black
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- Automatic
- Mileage:
- 109,974
- Stock #:
- 124837
- VIN:
- 1GT125E8XCF124837

-$1,000
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
109,974 mi
$28,294
$27,294
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Onyx Black
- Interior color:
- Black (Ebony)
- Transmission:
- Automatic
- Mileage:
- 146,921
- VIN:
- 1GT125E89CF240806
Photos coming soon
2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
146,921 mi
No Price Listed
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Steel Gray Metallic
- Fuel type:
- Diesel
- Interior color:
- Black (Ebony)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 240,426
- Stock #:
- 181712
- VIN:
- 1GT125E80CF181712

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
240,426 mi
$20,744
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- White
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 192,127
- Stock #:
- 416
- VIN:
- 1GT125E85CF223372

2012 GMC Sierra 2500HD
Denali Crew Cab SB 4WD
192,127 mi
$25,900
- Year:
- 2012
- Make:
- GMC
- Model:
- Sierra 2500HD
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 397 hp 6.6L V8 Diesel
- Exterior color:
- Black
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 181,380
- VIN:
- 1GT115E83CF127775

2012 GMC Sierra 2500HD
Denali Crew Cab SB
181,380 mi
$25,195
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
How much does the GMC Sierra 2500HD Denali cost?
How many GMC Sierra 2500HD Denali vehicles have no reported accidents or damage?
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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