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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

    $17,494

    180,984 mi.
    Est. $329/mo

    Silver Auto Sales Inc.

    4.4
    Check Availability
    Frankfort, IL (30 mi)
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  • Black 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLE

    $22,500

    $495
    163,899 mi.
    Est. $423/mo

    Cook Chevrolet Inc

    4.1
    Check Availability
    Vassar, MI (230 mi)
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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

    $11,993

    223,744 mi.
    Est. $225/mo

    Rydell Chevrolet

    4.7
    Check Availability
    Waterloo, IA (244 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

    $17,999

    $600
    199,359 mi.
    Est. $338/mo

    Hanford Auto Sales

    Check Availability
    HANFORD, CA (1,748 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

    $18,995

    126,856 mi.
    Est. $357/mo

    J & R Auto Sales East

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    Sioux Falls, SD (473 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 SLE

    $18,991

    118,813 mi.
    Est. $357/mo

    Henderson Chevrolet

    3.5
    Check Availability
    Henderson, NV (1,519 mi)
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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

    $11,490

    $314
    163,665 mi.
    Est. $216/mo

    Deery Brothers Chrysler Dodge Jeep Ram of Iowa City

    2.4
    Check Availability
    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

    $14,995

    166,414 mi.
    Est. $282/mo

    Showcase Auto Sales LLC

    2.4
    Check Availability
    Chesaning, MI (199 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

    $12,200

    271,898 mi.
    Est. $229/mo

    Performance Chrysler Jeep Dodge RAM

    4.6
    Check Availability
    Columbus, OH (272 mi)
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  • BLACK 2012 GMC Sierra 2500 SLEBLACK 2012 GMC Sierra 2500 SLEBLACK 2012 GMC Sierra 2500 SLEBLACK 2012 GMC Sierra 2500 SLEBLACK 2012 GMC Sierra 2500 SLEBLACK 2012 GMC Sierra 2500 SLE

    $16,500

    239,254 mi.
    Est. $310/mo

    Platinum Auto Group

    Check Availability
    Hutto, TX (961 mi)
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  • Black 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLEBlack 2012 GMC Sierra 2500 SLE

    $15,995

    173,250 mi.
    Est. $301/mo

    AJ's Fine Motors

    3.4
    Check Availability
    Phoenix, AZ (1,454 mi)
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  • Onyx Black 2012 GMC Sierra 2500 SLE

    Not Priced

    0 mi.
    Est. $0/mo

    South San Antonio Buick GMC

    4.0
    Check Availability
    San Antonio, TX (1,059 mi)
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  • Not Priced

    200,469 mi.
    Est. $0/mo

    Brown & Brown Wholesale

    Check Availability
    Mesa, AZ (1,442 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLE 6 Great deals
2025 GMC Sierra 2500 SLE $59,210 19 Great deals
2024 GMC Sierra 2500 SLE $51,981 28 Great deals
2023 GMC Sierra 2500 SLE $46,233 18 Great deals
2022 GMC Sierra 2500 SLE $42,077 19 Great deals
2021 GMC Sierra 2500 SLE $42,620 7 Great 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 $16,287, with pricing starting at $11,490.

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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