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  • Iridium Metallic 2015 GMC Sierra 1500 SLEIridium Metallic 2015 GMC Sierra 1500 SLEIridium Metallic 2015 GMC Sierra 1500 SLEIridium Metallic 2015 GMC Sierra 1500 SLEIridium Metallic 2015 GMC Sierra 1500 SLEIridium Metallic 2015 GMC Sierra 1500 SLE

    $14,622

    159,126 mi.
    Est. $275/mo

    Circle Buick GMC

    3.4
    Check Availability
    Highland, IN (26 mi)

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  • Onyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLE

    $13,980

    176,136 mi.
    Est. $263/mo

    Driven Auto of Waukegan

    3.9
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    Waukegan, IL (35 mi)

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  • Onyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLE

    $17,900

    122,894 mi.
    Est. $336/mo

    Wally Armour Chrysler Dodge Jeep Ram

    4.6
    Check Availability
    Alliance, OH (344 mi)
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  • Onyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLE

    $19,800

    94,519 mi.
    Est. $372/mo

    Koons Sterling Ford

    4.3
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    Sterling, VA (575 mi)
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  • Emerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLE

    $12,985

    $3.2K
    161,647 mi.
    Est. $244/mo

    Group 1 Volkswagen Alamo Heights

    4.6
    Check Availability
    San Antonio, TX (1,046 mi)
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  • Blue Metallic 2015 GMC Sierra 1500 SLEBlue Metallic 2015 GMC Sierra 1500 SLEBlue Metallic 2015 GMC Sierra 1500 SLEBlue Metallic 2015 GMC Sierra 1500 SLEBlue Metallic 2015 GMC Sierra 1500 SLEBlue Metallic 2015 GMC Sierra 1500 SLE

    $27,975

    55,696 mi.
    Est. $526/mo

    Ray Skillman Buick GMC South

    4.6
    Check Availability
    Indianapolis, IN (174 mi)
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  • Stone Blue Metallic 2015 GMC Sierra 1500 SLEStone Blue Metallic 2015 GMC Sierra 1500 SLEStone Blue Metallic 2015 GMC Sierra 1500 SLEStone Blue Metallic 2015 GMC Sierra 1500 SLEStone Blue Metallic 2015 GMC Sierra 1500 SLEStone Blue Metallic 2015 GMC Sierra 1500 SLE

    $19,949

    $700
    122,780 mi.
    Est. $375/mo

    Walser Mazda

    4.7
    Check Availability
    Burnsville, MN (346 mi)
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  • Summit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLE

    $15,800

    131,832 mi.
    Est. $297/mo

    Guaranteed Motor Cars

    3.0
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    palos hills, IL (25 mi)

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  • Summit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLE

    $18,638

    $214
    140,390 mi.
    Est. $350/mo

    Corwin Motors Kalispell

    4.6
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    Kalispell, MT (1,367 mi)
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  • Bronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLE

    $18,396

    $649
    96,778 mi.
    Est. $346/mo

    Brondes Ford Toledo

    4.7
    Check Availability
    Toledo, OH (208 mi)
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  • Bronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLEBronze Alloy Metallic 2015 GMC Sierra 1500 SLE

    $22,488

    100,706 mi.
    Est. $423/mo

    Group 1 Ford of Pensacola

    4.7
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    Pensacola, FL (789 mi)
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  • Onyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLE

    $21,491

    136,362 mi.
    Est. $404/mo

    Seeger Toyota of St. Robert

    4.9
    Check Availability
    Saint Robert, MO (369 mi)
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  • Gray 2015 GMC Sierra 1500 SLEGray 2015 GMC Sierra 1500 SLEGray 2015 GMC Sierra 1500 SLEGray 2015 GMC Sierra 1500 SLEGray 2015 GMC Sierra 1500 SLEGray 2015 GMC Sierra 1500 SLE

    $19,990

    89,016 mi.
    Est. $376/mo

    Larkins GMC, Inc.

    5.0
    Check Availability
    Tomah, WI (206 mi)
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  • Gray 2015 GMC Sierra 1500 SLE

    $17,356

    115,600 mi.
    Est. $326/mo

    Napleton's Countryside Mazda

    4.5
    Check Availability
    Countryside, IL (14 mi)

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  • Summit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLE

    $24,977

    78,555 mi.
    Est. $469/mo

    Gerald Auto Sales

    5.0
    Check Availability
    Joliet, IL (36 mi)
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  • Quicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLE

    $22,349

    $213
    73,984 mi.
    Est. $420/mo

    Carlson Toyota

    4.3
    Check Availability
    Coon Rapids, MN (368 mi)
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  • Emerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLEEmerald Green Metallic 2015 GMC Sierra 1500 SLE

    $20,980

    74,048 mi.
    Est. $394/mo

    My Lakeshore Subaru

    4.6
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    Nunica, MI (115 mi)
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  • Sonoma Red Metallic 2015 GMC Sierra 1500 SLESonoma Red Metallic 2015 GMC Sierra 1500 SLESonoma Red Metallic 2015 GMC Sierra 1500 SLESonoma Red Metallic 2015 GMC Sierra 1500 SLESonoma Red Metallic 2015 GMC Sierra 1500 SLESonoma Red Metallic 2015 GMC Sierra 1500 SLE

    $19,932

    104,625 mi.
    Est. $375/mo

    Tim Short Ford of LaFollette

    4.4
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    LaFollette, TN (426 mi)
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  • Summit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLESummit White 2015 GMC Sierra 1500 SLE

    $10,995

    201,388 mi.
    Est. $207/mo

    Mike Castrucci CDJR

    4.4
    Check Availability
    Cincinnati, OH (255 mi)
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  • Onyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLEOnyx Black 2015 GMC Sierra 1500 SLE

    $21,106

    103,718 mi.
    Est. $397/mo

    Spitzer Chevrolet GMC Cadillac of Dubois

    4.6
    Check Availability
    DuBois, PA (462 mi)

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  • Quicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLEQuicksilver Metallic 2015 GMC Sierra 1500 SLE

    $21,302

    $2.3K
    92,130 mi.
    Est. $400/mo

    Terry Thompson Chevrolet

    4.2
    Check Availability
    Daphne, AL (780 mi)
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  • Fire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLE

    $16,441

    150,627 mi.
    Est. $309/mo

    Ken Ganley Chevrolet Brookpark

    4.7
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    Brook Park, OH (304 mi)
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  • Light Steel Gray Metallic 2015 GMC Sierra 1500 SLELight Steel Gray Metallic 2015 GMC Sierra 1500 SLELight Steel Gray Metallic 2015 GMC Sierra 1500 SLELight Steel Gray Metallic 2015 GMC Sierra 1500 SLELight Steel Gray Metallic 2015 GMC Sierra 1500 SLELight Steel Gray Metallic 2015 GMC Sierra 1500 SLE

    $15,500

    $495
    163,862 mi.
    Est. $291/mo

    Nissan of St Augustine

    4.0
    Check Availability
    St Augustine, FL (904 mi)
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  • Fire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLEFire Red 2015 GMC Sierra 1500 SLE

    $17,348

    140,470 mi.
    Est. $326/mo

    Walser Hyundai Coon Rapids

    4.4
    Check Availability
    Coon Rapids, MN (365 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 SLE 14 Good deals
2025 GMC Sierra 1500 SLE $45,316 6 Great deals
2024 GMC Sierra 1500 SLE $39,621 24 Great deals
2023 GMC Sierra 1500 SLE $36,217 54 Great deals
2022 GMC Sierra 1500 SLE $33,885 20 Great deals
2021 GMC Sierra 1500 SLE $31,264 40 Great deals
2020 GMC Sierra 1500 SLE $28,290 30 Great deals
2019 GMC Sierra 1500 SLE $26,228 35 Great deals
2018 GMC Sierra 1500 SLE $23,681 28 Great deals
2017 GMC Sierra 1500 SLE $20,486 36 Great deals

About the 2015 GMC Sierra 1500 SLE

Basics

SLE shown.

Seating
3
Door count
2
Drivetrain
Rear Wheel Drive
Combined MPG
20
Transmission
6-Speed A/T
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
Side view of the 2015 GMC Sierra 1500 SLE
FAQs

How much does the 2015 GMC Sierra 1500 SLE cost?

The 2015 GMC Sierra 1500 SLE price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2015 Sierra 1500 SLE is $18,476, with pricing starting at $6,950.

What is the MPG of the 2015 GMC Sierra 1500 SLE?

The 2015 GMC Sierra 1500 SLE offers up to 18 MPG in city driving and 24 MPG on the highway for a combined rating of 20 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 options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2015 GMC Sierra 1500 SLE?

The 2015 GMC Sierra 1500 SLE compares to and/or competes against the following vehicles:


Is the 2015 GMC Sierra 1500 SLE reliable?

The 2015 GMC Sierra 1500 has an average reliability rating of 4.4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2015 Sierra 1500 owners.

Ratings (140 reviews)

87% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.6
Interior
4.7
Performance
4.5
Value
4.4
Exterior
4.7
Reliability
4.4
Trims

SLE (10 styles)

Style
2WD Reg Cab 133.0" SLE 4WD Reg Cab 119.0" SLE 4WD Reg Cab 133.0" SLE 2WD Reg Cab 119.0" SLE 2WD Double Cab 143.5" SLE 4WD Double Cab 143.5" SLE 4WD Crew Cab 143.5" SLE 4WD Crew Cab 153.0" SLE 2WD Crew Cab 153.0" SLE 2WD Crew Cab 143.5" SLE
Inventory price
Starting at $34,070 Starting at $37,850 Starting at $38,150 Starting at $33,945 Starting at $36,550 Starting at $40,395 Starting at $42,985 Starting at $43,285 Starting at $39,315 Starting at $39,015
Combined MPG
20 19 19 20 20 19 19 19 20 20
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
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GMC Sierra 1500 trims