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  • Steel Gray Metallic 2012 GMC Sierra 2500 SLTSteel Gray Metallic 2012 GMC Sierra 2500 SLTSteel Gray Metallic 2012 GMC Sierra 2500 SLTSteel Gray Metallic 2012 GMC Sierra 2500 SLTSteel Gray Metallic 2012 GMC Sierra 2500 SLTSteel Gray Metallic 2012 GMC Sierra 2500 SLT

    $21,487

    163,809 mi.
    Est. $382/mo

    Family Trucks and Vans

    4.6
    Denver, CO (919 mi)
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  • White 2012 GMC Sierra 2500 SLTWhite 2012 GMC Sierra 2500 SLTWhite 2012 GMC Sierra 2500 SLTWhite 2012 GMC Sierra 2500 SLTWhite 2012 GMC Sierra 2500 SLTWhite 2012 GMC Sierra 2500 SLT

    $29,995

    130,359 mi.
    Est. $533/mo

    Bleskin Motors

    Great Falls, MT (1,217 mi)
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  • Summit White 2012 GMC Sierra 2500 SLTSummit White 2012 GMC Sierra 2500 SLTSummit White 2012 GMC Sierra 2500 SLTSummit White 2012 GMC Sierra 2500 SLTSummit White 2012 GMC Sierra 2500 SLTSummit White 2012 GMC Sierra 2500 SLT

    $25,995

    123,305 mi.
    Est. $462/mo

    ZRV Auto Inc.

    Brea, CA (1,730 mi)
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  • Black 2012 GMC Sierra 2500 SLTBlack 2012 GMC Sierra 2500 SLTBlack 2012 GMC Sierra 2500 SLTBlack 2012 GMC Sierra 2500 SLTBlack 2012 GMC Sierra 2500 SLTBlack 2012 GMC Sierra 2500 SLT

    $26,990

    96,779 mi.
    Est. $479/mo

    Tailgate Motor Co

    4.3
    Fremont, NE (459 mi)
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  • Not Priced

    160,783 mi.

    Delano Chevrolet GMC

    4.2
    Delano, CA (1,743 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 SLT 5 Great deals
2025 GMC Sierra 2500 SLT $67,253 12 Great deals
2024 GMC Sierra 2500 SLT $62,352 9 Great deals
2023 GMC Sierra 2500 SLT $54,002 24 Good deals
2022 GMC Sierra 2500 SLT $46,338 6 Good deals
2021 GMC Sierra 2500 SLT $47,285 6 Great deals
2020 GMC Sierra 2500 SLT $44,463 7 Great deals
2018 GMC Sierra 2500 SLT $37,378 16 Good deals
2017 GMC Sierra 2500 SLT $34,231 6 Good deals

About the 2012 GMC Sierra 2500 SLT

Basics

SLT shown.

Seating
5
Door count
2
Drivetrain
Rear Wheel Drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)
Side view of the 2012 GMC Sierra 2500 SLT
FAQs

How much does the 2012 GMC Sierra 2500 SLT cost?

The 2012 GMC Sierra 2500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2012 Sierra 2500 SLT is $26,117, with pricing starting at $21,487.

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

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


Is the 2012 GMC Sierra 2500 SLT 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

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)
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