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  • Onyx Black 2012 GMC Sierra 2500 SLEOnyx Black 2012 GMC Sierra 2500 SLEOnyx Black 2012 GMC Sierra 2500 SLEOnyx Black 2012 GMC Sierra 2500 SLEOnyx Black 2012 GMC Sierra 2500 SLEOnyx Black 2012 GMC Sierra 2500 SLE

    $12,200

    $295
    271,898 mi.
    Est. $225/mo

    Performance Chrysler Jeep Dodge RAM

    4.5
    Check Availability
    Columbus, OH (7 mi)
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  • Fire Red 2012 GMC Sierra 2500 SLTFire Red 2012 GMC Sierra 2500 SLTFire Red 2012 GMC Sierra 2500 SLTFire Red 2012 GMC Sierra 2500 SLTFire Red 2012 GMC Sierra 2500 SLTFire Red 2012 GMC Sierra 2500 SLT

    $31,500

    $499
    78,675 mi.
    Est. $580/mo

    Bowman Auto Center

    4.5
    Check Availability
    Clarkston, MI (195 mi)
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  • Steel Gray Metallic 2012 GMC Sierra 2500 DenaliSteel Gray Metallic 2012 GMC Sierra 2500 DenaliSteel Gray Metallic 2012 GMC Sierra 2500 DenaliSteel Gray Metallic 2012 GMC Sierra 2500 DenaliSteel Gray Metallic 2012 GMC Sierra 2500 DenaliSteel Gray Metallic 2012 GMC Sierra 2500 Denali

    $19,849

    312,469 mi.
    Est. $365/mo

    American Motors

    Check Availability
    Brownsville, TN (455 mi)
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  • Silver 2012 GMC Sierra 2500 SLTSilver 2012 GMC Sierra 2500 SLTSilver 2012 GMC Sierra 2500 SLTSilver 2012 GMC Sierra 2500 SLTSilver 2012 GMC Sierra 2500 SLTSilver 2012 GMC Sierra 2500 SLT

    $15,000

    251,463 mi.
    Est. $276/mo

    30th Ave Car Corral

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    Kenosha, WI (311 mi)
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  • Steel Gray Metallic 2012 GMC Sierra 2500 SLESteel Gray Metallic 2012 GMC Sierra 2500 SLESteel Gray Metallic 2012 GMC Sierra 2500 SLESteel Gray Metallic 2012 GMC Sierra 2500 SLESteel Gray Metallic 2012 GMC Sierra 2500 SLESteel Gray Metallic 2012 GMC Sierra 2500 SLE

    $17,995

    180,984 mi.
    Est. $331/mo

    Silver Auto Sales Inc.

    4.4
    Check Availability
    Frankfort, IL (275 mi)
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  • Fire Red 2012 GMC Sierra 2500 Work TruckFire Red 2012 GMC Sierra 2500 Work TruckFire Red 2012 GMC Sierra 2500 Work TruckFire Red 2012 GMC Sierra 2500 Work TruckFire Red 2012 GMC Sierra 2500 Work TruckFire Red 2012 GMC Sierra 2500 Work Truck

    $15,950

    154,464 mi.
    Est. $294/mo

    Hometown Auto Exchange LLC

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    Lake Geneva, WI (336 mi)
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  • Onyx Black 2012 GMC Sierra 2500 DenaliOnyx Black 2012 GMC Sierra 2500 DenaliOnyx Black 2012 GMC Sierra 2500 DenaliOnyx Black 2012 GMC Sierra 2500 DenaliOnyx Black 2012 GMC Sierra 2500 DenaliOnyx Black 2012 GMC Sierra 2500 Denali

    $29,500

    $500
    132,415 mi.
    Est. $543/mo

    Mountain Top Motor Co

    Check Availability
    Troy, MO (429 mi)
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About the 2012 GMC Sierra 2500

Basics

Work Truck shown (base trim).

Seating
2
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2012 GMC Sierra 2500
FAQs

Is the 2012 GMC Sierra 2500 reliable?

The 2012 GMC Sierra 2500 has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2012 Sierra 2500 owners.

Is the 2012 GMC Sierra 2500 a good truck?

Below are the Cars.com consumer ratings for the 2012 GMC Sierra 2500.

(13 reviews)
Rating breakdown (out of 5):
Comfort
4.7
Interior
4.4
Performance
4.6
Value
4.2
Exterior
4.5
Reliability
4.5
Ratings (13 reviews)

92% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.4
Performance
4.6
Value
4.2
Exterior
4.5
Reliability
4.5
Trims

Denali (2 styles)

Style
2WD Crew Cab 153.7" Denali 4WD Crew Cab 153.7" Denali
Inventory price
Starting at $45,785 Starting at $48,985
Combined MPG
0 0
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)

SLE (10 styles)

Style
2WD Ext Cab 144.2" SLE 4WD Ext Cab 158.2" SLE 2WD Ext Cab 158.2" SLE 4WD Ext Cab 144.2" SLE 2WD Reg Cab 133.7" SLE 4WD Reg Cab 133.7" SLE 2WD Crew Cab 167.7" SLE 4WD Crew Cab 167.7" SLE 4WD Crew Cab 153.7" SLE 2WD Crew Cab 153.7" SLE
Inventory price
Starting at $35,070 Starting at $38,560 Starting at $35,265 Starting at $38,365 Starting at $32,620 Starting at $35,770 Starting at $37,155 Starting at $40,455 Starting at $40,260 Starting at $36,960
Combined MPG
0 0 0 0 0 0 0 0 0 0
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)

SLT (8 styles)

Style
4WD Crew Cab 153.7" SLT 2WD Crew Cab 153.7" SLT 2WD Crew Cab 167.7" SLT 4WD Crew Cab 167.7" SLT 2WD Ext Cab 158.2" SLT 2WD Ext Cab 144.2" SLT 4WD Ext Cab 144.2" SLT 4WD Ext Cab 158.2" SLT
Inventory price
Starting at $46,045 Starting at $42,900 Starting at $43,090 Starting at $46,240 Starting at $40,620 Starting at $40,425 Starting at $43,575 Starting at $43,770
Combined MPG
0 0 0 0 0 0 0 0
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Work Truck (10 styles)

Style
2WD Ext Cab 144.2" Work Truck 4WD Ext Cab 144.2" Work Truck 4WD Ext Cab 158.2" Work Truck 2WD Ext Cab 158.2" Work Truck 2WD Reg Cab 133.7" Work Truck 4WD Reg Cab 133.7" Work Truck 4WD Crew Cab 167.7" Work Truck 2WD Crew Cab 153.7" Work Truck 2WD Crew Cab 167.7" Work Truck 4WD Crew Cab 153.7" Work Truck
Inventory price
Starting at $31,030 Starting at $33,985 Starting at $34,180 Starting at $31,225 Starting at $29,100 Starting at $32,055 Starting at $36,185 Starting at $33,035 Starting at $33,230 Starting at $35,990
Combined MPG
0 0 0 0 0 0 0 0 0 0
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)
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