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  • Fire Red 2012 GMC Sierra 3500 SLTFire Red 2012 GMC Sierra 3500 SLTFire Red 2012 GMC Sierra 3500 SLTFire Red 2012 GMC Sierra 3500 SLTFire Red 2012 GMC Sierra 3500 SLTFire Red 2012 GMC Sierra 3500 SLT

    $28,995

    123,839 mi.
    Est. $545/mo

    Edd Rogers Valley Ford

    4.8
    Check Availability
    Sparta, TN (428 mi)
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  • Summit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLT

    $42,991

    53,207 mi.
    Est. $808/mo

    Auto Republic Orange

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    Orange, CA (1,730 mi)
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  • Summit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLT

    $19,950

    149,452 mi.
    Est. $375/mo

    High Desert Auto Wholesale

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    ALBUQUERQUE, NM (1,124 mi)
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  • Summit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLTSummit White 2012 GMC Sierra 3500 SLT

    $29,999

    $2K
    56,875 mi.
    Est. $564/mo

    Inside Car Guys LLC

    3.6
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    Thousand Oaks, CA (1,772 mi)
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  • Midnight Blue Metallic 2012 GMC Sierra 3500 SLTMidnight Blue Metallic 2012 GMC Sierra 3500 SLTMidnight Blue Metallic 2012 GMC Sierra 3500 SLTMidnight Blue Metallic 2012 GMC Sierra 3500 SLTMidnight Blue Metallic 2012 GMC Sierra 3500 SLTMidnight Blue Metallic 2012 GMC Sierra 3500 SLT

    $23,999

    156,528 mi.
    Est. $451/mo

    Harry Brown's GM

    4.5
    Check Availability
    FARIBAULT, MN (331 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2026 GMC Sierra 3500 SLT 2 Good deals
2025 GMC Sierra 3500 SLT $69,738 5 Great deals
2024 GMC Sierra 3500 SLT $61,960 8 Great deals

About the 2012 GMC Sierra 3500 SLT

Basics

SLT shown.

Seating
5
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 3500 SLT
FAQs

How much does the 2012 GMC Sierra 3500 SLT cost?

The 2012 GMC Sierra 3500 SLT price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2012 Sierra 3500 SLT is $29,187, with pricing starting at $19,950.

What are some similar vehicles and competitors of the 2012 GMC Sierra 3500 SLT?

The 2012 GMC Sierra 3500 SLT compares to and/or competes against the following vehicles:


Is the 2012 GMC Sierra 3500 SLT reliable?

The 2012 GMC Sierra 3500 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2012 Sierra 3500 owners.

Ratings (6 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.8
Interior
4.5
Performance
5.0
Value
4.7
Exterior
4.7
Reliability
5.0
Trims

SLT (4 styles)

Style
4WD Ext Cab 158.2" SLT 2WD Ext Cab 158.2" SLT 2WD Crew Cab 167.7" SLT 4WD Crew Cab 167.7" SLT
Inventory price
Starting at $44,630 Starting at $41,480 Starting at $43,860 Starting at $47,010
Combined MPG
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) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 335.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SRW SLT (2 styles)

Style
2WD Crew Cab 153.7" SRW SLT 4WD Crew Cab 153.7" SRW SLT
Inventory price
Starting at $43,675 Starting at $46,825
Combined MPG
0 0
Engine
322.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability)
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