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  • Onyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLE

    $15,500

    $499
    100,727 mi.
    Est. $264/mo

    Mountain Top Motor Co

    Check Availability
    $4,312 delivery from Troy, MO (2875 mi)
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  • Steel Gray Metallic 2012 GMC Sierra 1500 SLESteel Gray Metallic 2012 GMC Sierra 1500 SLESteel Gray Metallic 2012 GMC Sierra 1500 SLESteel Gray Metallic 2012 GMC Sierra 1500 SLESteel Gray Metallic 2012 GMC Sierra 1500 SLESteel Gray Metallic 2012 GMC Sierra 1500 SLE

    $16,479

    129,552 mi.
    Est. $281/mo

    Corwin Ford

    4.6
    Check Availability
    Nampa, ID (1,806 mi)
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  • Midnight Blue Metallic 2012 GMC Sierra 1500 SLEMidnight Blue Metallic 2012 GMC Sierra 1500 SLEMidnight Blue Metallic 2012 GMC Sierra 1500 SLEMidnight Blue Metallic 2012 GMC Sierra 1500 SLEMidnight Blue Metallic 2012 GMC Sierra 1500 SLEMidnight Blue Metallic 2012 GMC Sierra 1500 SLE

    $7,350

    127,147 mi.
    Est. $125/mo

    GMC of Rochester

    4.4
    Check Availability
    Rochester, MN (2,553 mi)
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  • Quicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLE

    $17,479

    $442
    59,905 mi.
    Est. $298/mo

    H&K Chevrolet, Inc.

    4.5
    Check Availability
    Continental, OH (2,982 mi)
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  • Onyx Black 2012 GMC Sierra 1500 SLTOnyx Black 2012 GMC Sierra 1500 SLTOnyx Black 2012 GMC Sierra 1500 SLTOnyx Black 2012 GMC Sierra 1500 SLTOnyx Black 2012 GMC Sierra 1500 SLTOnyx Black 2012 GMC Sierra 1500 SLT

    $16,286

    133,317 mi.
    Est. $278/mo

    Lupient Buick GMC

    4.0
    Check Availability
    Golden Valley, MN (2,478 mi)
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  • Quicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLEQuicksilver Metallic 2012 GMC Sierra 1500 SLE

    $16,197

    94,900 mi.
    Est. $276/mo

    Kenny Kent Chevrolet

    4.2
    Check Availability
    Evansville, IN (3,043 mi)
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  • Onyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLEOnyx Black 2012 GMC Sierra 1500 SLE

    $14,897

    118,334 mi.
    Est. $254/mo

    South Colorado Springs Nissan

    4.7
    Check Availability
    Colorado Springs, CO (2,433 mi)
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  • Mocha Steel Metallic 2012 GMC Sierra 1500 SLEMocha Steel Metallic 2012 GMC Sierra 1500 SLEMocha Steel Metallic 2012 GMC Sierra 1500 SLEMocha Steel Metallic 2012 GMC Sierra 1500 SLEMocha Steel Metallic 2012 GMC Sierra 1500 SLEMocha Steel Metallic 2012 GMC Sierra 1500 SLE

    $15,118

    130,649 mi.
    Est. $258/mo

    Morrie’s Bellevue Subaru

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    Bellevue, NE (2,591 mi)
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  • White 2012 GMC Sierra 1500 SLEWhite 2012 GMC Sierra 1500 SLEWhite 2012 GMC Sierra 1500 SLEWhite 2012 GMC Sierra 1500 SLEWhite 2012 GMC Sierra 1500 SLEWhite 2012 GMC Sierra 1500 SLE

    $17,000

    154,269 mi.
    Est. $290/mo

    Rocky Top Motors

    Check Availability
    Johnson City, TN (3,301 mi)
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  • Summit White 2012 GMC Sierra 1500 SLESummit White 2012 GMC Sierra 1500 SLESummit White 2012 GMC Sierra 1500 SLESummit White 2012 GMC Sierra 1500 SLESummit White 2012 GMC Sierra 1500 SLESummit White 2012 GMC Sierra 1500 SLE

    $11,995

    151,642 mi.
    Est. $205/mo

    Integrity Ford of Bellefontaine

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    Bellefontaine, OH (3,040 mi)
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  • White Diamond Clearcoat 2012 GMC Sierra 1500 SLTWhite Diamond Clearcoat 2012 GMC Sierra 1500 SLTWhite Diamond Clearcoat 2012 GMC Sierra 1500 SLTWhite Diamond Clearcoat 2012 GMC Sierra 1500 SLTWhite Diamond Clearcoat 2012 GMC Sierra 1500 SLTWhite Diamond Clearcoat 2012 GMC Sierra 1500 SLT

    $17,241

    104,694 mi.
    Est. $294/mo

    Ken Ganley Subaru Wickliffe

    4.9
    Check Availability
    Wickliffe, OH (3,048 mi)
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  • Summit White 2012 GMC Sierra 1500 SLTSummit White 2012 GMC Sierra 1500 SLTSummit White 2012 GMC Sierra 1500 SLTSummit White 2012 GMC Sierra 1500 SLTSummit White 2012 GMC Sierra 1500 SLTSummit White 2012 GMC Sierra 1500 SLT

    $15,341

    113,946 mi.
    Est. $262/mo

    Iron Trail Chevrolet

    2.5
    Check Availability
    Virginia, MN (2,379 mi)
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  • Onyx Black 2012 GMC Sierra 1500 DenaliOnyx Black 2012 GMC Sierra 1500 DenaliOnyx Black 2012 GMC Sierra 1500 DenaliOnyx Black 2012 GMC Sierra 1500 DenaliOnyx Black 2012 GMC Sierra 1500 DenaliOnyx Black 2012 GMC Sierra 1500 Denali

    $20,000

    104,950 mi.
    Est. $341/mo

    Blaise Alexander GMC of Hazleton

    4.4
    Check Availability
    Hazle Township, PA (3,261 mi)
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About the 2012 GMC Sierra 1500

Basics

Work Truck shown (base trim).

Seating
3
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
17
Transmission
6-Speed A/T
Engine
302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability)
Side view of the 2012 GMC Sierra 1500
FAQs

How much does the 2012 GMC Sierra 1500 cost?

The 2012 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2012 Sierra 1500 is $13,230, with pricing starting at $3,995.

What is the MPG of the 2012 GMC Sierra 1500?

The 2012 GMC Sierra 1500 offers up to 15 MPG in city driving and 20 MPG on the highway for a combined rating of 17 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.

Is the 2012 GMC Sierra 1500 reliable?

The 2012 GMC Sierra 1500 has an average reliability rating of 4.3 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2012 Sierra 1500 owners.

Is the 2012 GMC Sierra 1500 a good truck?

Below are the Cars.com consumer ratings for the 2012 GMC Sierra 1500.

(71 reviews)
Rating breakdown (out of 5):
Comfort
4.5
Interior
4.2
Performance
4.3
Value
4.1
Exterior
4.5
Reliability
4.3
Ratings (71 reviews)

88% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.5
Interior
4.2
Performance
4.3
Value
4.1
Exterior
4.5
Reliability
4.3
Trims

Denali (2 styles)

Style
2WD Crew Cab 143.5" Denali AWD Crew Cab 143.5" Denali
Inventory price
Starting at $45,460 Starting at $48,610
Combined MPG
14 14
Engine
403.0-hp, 6.2-liter, 8 Cylinder Engine (Flex Fuel Capability) 403.0-hp, 6.2-liter, 8 Cylinder Engine (Flex Fuel Capability)

SL (4 styles)

Style
4WD Crew Cab 143.5" SL 2WD Crew Cab 143.5" SL 2WD Ext Cab 143.5" SL 4WD Ext Cab 143.5" SL
Inventory price
Starting at $35,375 Starting at $32,200 Starting at $30,125 Starting at $33,375
Combined MPG
15 16 16 15
Engine
302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability)

SLE (10 styles)

Style
4WD Reg Cab 133.0" SLE 4WD Reg Cab 119.0" SLE 2WD Reg Cab 133.0" SLE 2WD Reg Cab 119.0" SLE 4WD Crew Cab 143.5" SLE 2WD Crew Cab 143.5" SLE 2WD Ext Cab 157.5" SLE 4WD Ext Cab 143.5" SLE 4WD Ext Cab 157.5" SLE 2WD Ext Cab 143.5" SLE
Inventory price
Starting at $31,820 Starting at $31,520 Starting at $28,085 Starting at $27,965 Starting at $36,380 Starting at $33,140 Starting at $31,925 Starting at $34,065 Starting at $35,175 Starting at $30,875
Combined MPG
15 15 16 16 15 16 17 15 17 16
Engine
302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability)

SLT (6 styles)

Style
2WD Crew Cab 143.5" SLT 4WD Crew Cab 143.5" SLT 2WD Ext Cab 143.5" SLT 2WD Ext Cab 157.5" SLT 4WD Ext Cab 143.5" SLT 4WD Ext Cab 157.5" SLT
Inventory price
Starting at $39,790 Starting at $42,940 Starting at $36,555 Starting at $36,855 Starting at $39,705 Starting at $40,005
Combined MPG
17 17 17 17 17 17
Engine
315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability)

Work Truck (10 styles)

Style
4WD Crew Cab 143.5" Work Truck 2WD Crew Cab 143.5" Work Truck 4WD Reg Cab 119.0" Work Truck 2WD Reg Cab 133.0" Work Truck 4WD Reg Cab 133.0" Work Truck 2WD Reg Cab 119.0" Work Truck 2WD Ext Cab 157.5" Work Truck 4WD Ext Cab 157.5" Work Truck 2WD Ext Cab 143.5" Work Truck 4WD Ext Cab 143.5" Work Truck
Inventory price
Starting at $33,470 Starting at $30,320 Starting at $25,635 Starting at $22,585 Starting at $25,935 Starting at $22,195 Starting at $28,380 Starting at $31,530 Starting at $26,340 Starting at $30,420
Combined MPG
15 16 15 17 15 17 17 17 17 15
Engine
302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability) 302.0-hp, 4.8-liter, 8 Cylinder Engine (Flex Fuel Capability)

Xtra Fuel Economy (1 style)

Style
2WD Crew Cab 143.5" Xtra Fuel Economy
Inventory price
Starting at $34,895
Combined MPG
18
Engine
315.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability)
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