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  • Summit White 2015 GMC Sierra 3500 SLESummit White 2015 GMC Sierra 3500 SLESummit White 2015 GMC Sierra 3500 SLESummit White 2015 GMC Sierra 3500 SLESummit White 2015 GMC Sierra 3500 SLESummit White 2015 GMC Sierra 3500 SLE

    $40,549

    38,031 mi.
    Est. $762/mo

    Dean Team Volkswagen of Kirkwood

    3.6
    Check Availability
    St Louis, MO (270 mi)
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  • Quicksilver Metallic 2015 GMC Sierra 3500 4WD Crew Cab SLEQuicksilver Metallic 2015 GMC Sierra 3500 4WD Crew Cab SLEQuicksilver Metallic 2015 GMC Sierra 3500 4WD Crew Cab SLEQuicksilver Metallic 2015 GMC Sierra 3500 4WD Crew Cab SLEQuicksilver Metallic 2015 GMC Sierra 3500 4WD Crew Cab SLEQuicksilver Metallic 2015 GMC Sierra 3500 4WD Crew Cab SLE

    $21,750

    249,605 mi.
    Est. $409/mo

    SW Auto LLC

    Check Availability
    HOUSTON, TX (949 mi)
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  • Gray 2015 GMC Sierra 3500 SLEGray 2015 GMC Sierra 3500 SLEGray 2015 GMC Sierra 3500 SLEGray 2015 GMC Sierra 3500 SLEGray 2015 GMC Sierra 3500 SLEGray 2015 GMC Sierra 3500 SLE

    $29,995

    128,153 mi.
    Est. $564/mo

    Rickie's Auto LLC

    3.4
    Check Availability
    Portland, OR (1,750 mi)
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  • $35,900

    116,552 mi.
    Est. $675/mo

    Superior Chevrolet of Siloam Springs

    Check Availability
    Siloam Springs, AR (541 mi)
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  • Summit White 2015 GMC Sierra 3500 SLE

    $34,998

    116,180 mi.
    Est. $658/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (1,475 mi)
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GMC Sierra 3500 prices by year

Model year Average price Deals
2026 GMC Sierra 3500 SLE 6 Good deals
2025 GMC Sierra 3500 SLE $60,940 10 Good deals
2024 GMC Sierra 3500 SLE $55,367 18 Great deals
2023 GMC Sierra 3500 SLE $46,310 18 Good deals
2022 GMC Sierra 3500 SLE $45,008 5 Great deals

About the 2015 GMC Sierra 3500 SLE

Basics

SLE shown.

Seating
3
Door count
2
Drivetrain
Rear Wheel Drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2015 GMC Sierra 3500 SLE
FAQs

How much does the 2015 GMC Sierra 3500 SLE cost?

The 2015 GMC Sierra 3500 SLE price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2015 Sierra 3500 SLE is $32,638, with pricing starting at $21,750.

What are some similar vehicles and competitors of the 2015 GMC Sierra 3500 SLE?

The 2015 GMC Sierra 3500 SLE compares to and/or competes against the following vehicles:


Is the 2015 GMC Sierra 3500 SLE reliable?

The 2015 GMC Sierra 3500 has an average reliability rating of 4.6 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2015 Sierra 3500 owners.

Ratings (13 reviews)

92% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.6
Interior
4.8
Performance
4.7
Value
4.5
Exterior
4.7
Reliability
4.6
Trims

SLE (28 styles)

Style
2WD Double Cab 158.1" SLE 4WD Double Cab 158.1" SLE 2WD Double Cab 158.1" SLE 4WD Double Cab 158.1" SLE 4WD Crew Cab 153.7" SLE 2WD Crew Cab 153.7" SLE 2WD Crew Cab 171.5" WB, 59.06" CA SLE 2WD Crew Cab 167.7" SLE 4WD Crew Cab 167.7" SLE 2WD Crew Cab 167.7" SLE 4WD Crew Cab 171.5" WB, 59.06" CA SLE 2WD Crew Cab 171.5" WB, 59.06" CA SLE 4WD Crew Cab 167.7" SLE 4WD Crew Cab 171.5" WB, 59.06" CA SLE 2WD Crew Cab 153.7" SLE 4WD Crew Cab 153.7" SLE 2WD Reg Cab 162" WB, 83.58" CA SLE 2WD Reg Cab 133.6" SLE 2WD Reg Cab 133.6" SLE 4WD Reg Cab 133.6" SLE 4WD Reg Cab 133.6" SLE 2WD Reg Cab 162" WB, 83.58" CA SLE 4WD Reg Cab 137.5" WB, 59.06" CA SLE 4WD Reg Cab 162" WB, 83.58" CA SLE 2WD Reg Cab 137.5" WB, 59.06" CA SLE 4WD Reg Cab 162" WB, 83.58" CA SLE 2WD Reg Cab 137.5" WB, 59.06" CA SLE 4WD Reg Cab 137.5" WB, 59.06" CA SLE
Inventory price
Starting at $42,720 Starting at $45,970 Starting at $40,730 Starting at $43,980 Starting at $47,475 Starting at $44,365 Starting at $40,525 Starting at $42,570 Starting at $47,670 Starting at $44,560 Starting at $43,635 Starting at $42,115 Starting at $45,680 Starting at $45,225 Starting at $42,375 Starting at $45,485 Starting at $35,705 Starting at $36,780 Starting at $38,970 Starting at $42,100 Starting at $39,910 Starting at $37,495 Starting at $40,455 Starting at $38,835 Starting at $35,535 Starting at $40,625 Starting at $37,325 Starting at $38,665
Combined MPG
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline 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) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline 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) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline 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) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 360.0-hp, 6.0-liter, 8 Cylinder Engine (Flex Fuel Capability) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) 322.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel)
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GMC Sierra 3500 trims