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  • Quicksilver Metallic 2012 GMC Sierra 2500 SLEQuicksilver Metallic 2012 GMC Sierra 2500 SLEQuicksilver Metallic 2012 GMC Sierra 2500 SLEQuicksilver Metallic 2012 GMC Sierra 2500 SLEQuicksilver Metallic 2012 GMC Sierra 2500 SLEQuicksilver Metallic 2012 GMC Sierra 2500 SLE

    $20,495

    200,652 mi.
    Est. $364/mo

    Tadd Jenkins Chevrolet

    4.4
    Rigby, ID (1,233 mi)
    Check Availability

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  • Mocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLE

    $24,599

    192,768 mi.
    Est. $437/mo

    Dan Cummins Chrysler Dodge Jeep RAM of Paris

    4.8
    Paris, KY (311 mi)
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  • Summit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLE

    $13,995

    171,000 mi.
    Est. $248/mo

    Driven Motors

    Staunton, VA (520 mi)
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  • Silver 2012 GMC Sierra 2500 SLESilver 2012 GMC Sierra 2500 SLESilver 2012 GMC Sierra 2500 SLESilver 2012 GMC Sierra 2500 SLESilver 2012 GMC Sierra 2500 SLESilver 2012 GMC Sierra 2500 SLE

    $18,999

    135,494 mi.
    Est. $337/mo

    West Coast Car Sales

    Salem, OR (1,774 mi)
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  • Summit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLE

    $19,980

    161,804 mi.
    Est. $355/mo

    Berkenkotter Motors Castle Rock

    4.6
    Castle Rock, CO (919 mi)
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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

    $13,880

    $223
    192,150 mi.
    Est. $246/mo

    Deery Brothers Chrysler Dodge Jeep Ram of Iowa City

    2.4
    Iowa City, IA (203 mi)
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  • Summit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLESummit White 2012 GMC Sierra 2500 SLE

    $8,995

    270,227 mi.
    Est. $160/mo

    Lux Automotive LLC

    Lakeland, FL (1,008 mi)
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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

    $5,687

    $2K
    320,970 mi.
    Est. $101/mo

    Findlay Chrysler Dodge Jeep Ram

    4.0
    Findlay, OH (213 mi)
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  • Mocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLEMocha Steel Metallic 2012 GMC Sierra 2500 SLE

    Not Priced

    121,048 mi.
    Est. $0/mo

    Biscayne Auto Sales LLC

    Ontario, NY (533 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLE 2 Good deals
2025 GMC Sierra 2500 SLE $59,466 8 Great deals
2024 GMC Sierra 2500 SLE $50,706 14 Great deals
2023 GMC Sierra 2500 SLE $45,884 6 Great deals
2022 GMC Sierra 2500 SLE $42,641 16 Great deals
2021 GMC Sierra 2500 SLE $39,780 12 Good deals

About the 2012 GMC Sierra 2500 SLE

Basics

SLE shown.

Seating
3
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 SLE
FAQs

How much does the 2012 GMC Sierra 2500 SLE cost?

The 2012 GMC Sierra 2500 SLE price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2012 Sierra 2500 SLE is $15,829, with pricing starting at $5,687.

What are some similar vehicles and competitors of the 2012 GMC Sierra 2500 SLE?

The 2012 GMC Sierra 2500 SLE compares to and/or competes against the following vehicles:


Is the 2012 GMC Sierra 2500 SLE 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.

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

SLE (10 styles)

Style
2WD Reg Cab 133.7" SLE 4WD Reg Cab 133.7" SLE 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 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 $32,620 Starting at $35,770 Starting at $35,070 Starting at $38,560 Starting at $35,265 Starting at $38,365 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
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) 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) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)
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