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  • Dark Slate Metallic 2018 GMC Sierra 1500 BaseDark Slate Metallic 2018 GMC Sierra 1500 BaseDark Slate Metallic 2018 GMC Sierra 1500 BaseDark Slate Metallic 2018 GMC Sierra 1500 BaseDark Slate Metallic 2018 GMC Sierra 1500 BaseDark Slate Metallic 2018 GMC Sierra 1500 Base

    $25,257

    $214
    49,667 mi.
    Est. $474/mo

    Advantage Chevrolet

    4.7
    Check Availability
    Hodgkins, IL (21 mi)

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  • Stone Blue Metallic 2018 GMC Sierra 1500 SLTStone Blue Metallic 2018 GMC Sierra 1500 SLTStone Blue Metallic 2018 GMC Sierra 1500 SLTStone Blue Metallic 2018 GMC Sierra 1500 SLTStone Blue Metallic 2018 GMC Sierra 1500 SLTStone Blue Metallic 2018 GMC Sierra 1500 SLT

    $31,815

    59,185 mi.
    Est. $597/mo

    GENESIS OF MERRILLVILLE

    4.8
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    Merrillville, IN (18 mi)
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  • Gray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 Denali

    $27,999

    126,793 mi.
    Est. $525/mo

    Your Choice Auto Sales of Joliet

    4.6
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    Joliet, IL (23 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 SLTRed Quartz Tintcoat 2018 GMC Sierra 1500 SLTRed Quartz Tintcoat 2018 GMC Sierra 1500 SLTRed Quartz Tintcoat 2018 GMC Sierra 1500 SLTRed Quartz Tintcoat 2018 GMC Sierra 1500 SLTRed Quartz Tintcoat 2018 GMC Sierra 1500 SLT

    $21,995

    134,098 mi.
    Est. $413/mo

    Rides Unlimited Chicago

    4.4
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    Crest Hill, IL (23 mi)
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  • Summit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 Base

    $14,000

    $300
    170,509 mi.
    Est. $263/mo

    Ultimate Motor Cars

    2.4
    Check Availability
    Downers Grove, IL (27 mi)
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  • Summit White 2018 GMC Sierra 1500 SLTSummit White 2018 GMC Sierra 1500 SLTSummit White 2018 GMC Sierra 1500 SLTSummit White 2018 GMC Sierra 1500 SLTSummit White 2018 GMC Sierra 1500 SLTSummit White 2018 GMC Sierra 1500 SLT

    $22,485

    $502
    128,880 mi.
    Est. $422/mo

    Rod Baker Ford

    4.6
    Check Availability
    Plainfield, IL (26 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 Base

    $12,995

    171,865 mi.
    Est. $244/mo

    Schererville Auto Sales

    Check Availability
    Schererville, IN (12 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLT

    $26,985

    $1K
    89,017 mi.
    Est. $506/mo

    Chevrolet of Merrillville

    4.9
    Check Availability
    Merrillville, IN (20 mi)
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  • Summit White 2018 GMC Sierra 1500 DenaliSummit White 2018 GMC Sierra 1500 DenaliSummit White 2018 GMC Sierra 1500 DenaliSummit White 2018 GMC Sierra 1500 DenaliSummit White 2018 GMC Sierra 1500 DenaliSummit White 2018 GMC Sierra 1500 Denali

    $33,221

    57,630 mi.
    Est. $623/mo

    Murgado Ford of Chicago

    4.2
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    Chicago, IL (29 mi)
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  • Blue 2018 GMC Sierra 1500 BaseBlue 2018 GMC Sierra 1500 BaseBlue 2018 GMC Sierra 1500 BaseBlue 2018 GMC Sierra 1500 BaseBlue 2018 GMC Sierra 1500 BaseBlue 2018 GMC Sierra 1500 Base

    Not Priced

    66,871 mi.

    S&M Auto Sales

    2.1
    Check Availability
    Hickory Hills, IL (16 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLT

    $29,995

    39,228 mi.
    Est. $563/mo

    Laura Buick GMC

    4.6
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    $461 delivery from Collinsville, IL (231 mi)
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  • White 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLT

    $30,998

    84,332 mi.
    Est. $581/mo

    CarMax Naperville

    4.5
    Check Availability
    Free delivery to Tinley Park, IL (6 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 Denali

    $26,499

    124,273 mi.
    Est. $497/mo

    Your Choice Auto Sales of Elgin

    4.8
    Check Availability
    Elgin, IL (47 mi)
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  • White Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 Denali

    $26,711

    129,321 mi.
    Est. $501/mo

    Land Rover Schaumburg

    4.8
    Check Availability
    Schaumburg, IL (43 mi)
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  • White 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLT

    $30,998

    84,332 mi.
    Est. $581/mo

    CarMax Naperville

    4.5
    Check Availability
    Naperville, IL (34 mi)
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  • White 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLTWhite 2018 GMC Sierra 1500 SLT

    $29,990

    93,918 mi.
    Est. $562/mo

    Country Chevrolet

    4.8
    Check Availability
    Herscher, IL (39 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 SLTWhite Frost Tricoat 2018 GMC Sierra 1500 SLTWhite Frost Tricoat 2018 GMC Sierra 1500 SLTWhite Frost Tricoat 2018 GMC Sierra 1500 SLTWhite Frost Tricoat 2018 GMC Sierra 1500 SLTWhite Frost Tricoat 2018 GMC Sierra 1500 SLT

    $32,995

    67,853 mi.
    Est. $619/mo

    Motor Cars Mitsubishi

    4.3
    Check Availability
    Aurora, IL (32 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $35,960

    65,052 mi.
    Est. $674/mo

    Sherman Dodge Chrysler Jeep RAM

    4.5
    Check Availability
    Skokie, IL (35 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLT

    $29,990

    66,616 mi.
    Est. $562/mo

    Elgin Toyota

    4.2
    Check Availability
    Streamwood, IL (44 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $59,901 2 Good deals
2025 GMC Sierra 1500 $55,400 5 Great deals
2024 GMC Sierra 1500 $49,361 24 Good deals
2023 GMC Sierra 1500 $46,925 22 Good deals
2022 GMC Sierra 1500 $40,532 11 Good deals
2021 GMC Sierra 1500 $34,987 9 Good deals
2020 GMC Sierra 1500 $33,964 5 Great deals
2019 GMC Sierra 1500 $31,263 8 Good deals

About the 2018 GMC Sierra 1500

Basics

Base shown (base trim).

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 2018 GMC Sierra 1500
FAQs

How much does the 2018 GMC Sierra 1500 cost?

The 2018 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 2018 Sierra 1500 is $26,998, with pricing starting at $9,667.

What is the MPG of the 2018 GMC Sierra 1500?

The 2018 GMC Sierra 1500 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 trim, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2018 GMC Sierra 1500?

The 2018 GMC Sierra 1500 compares to and/or competes against the following vehicles:


Is the 2018 GMC Sierra 1500 reliable?

The 2018 GMC Sierra 1500 has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2018 Sierra 1500 owners.

Is the 2018 GMC Sierra 1500 a good truck?

Below are the Cars.com consumer ratings for the 2018 GMC Sierra 1500.

(172 reviews)
Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.7
Value
4.6
Exterior
4.8
Reliability
4.7
Ratings (172 reviews)

93% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.7
Value
4.6
Exterior
4.8
Reliability
4.7
Trims

Base (10 styles)

Style
4WD Reg Cab 119.0" 2WD Reg Cab 119.0" 2WD Reg Cab 133.0" 4WD Reg Cab 133.0" 2WD Crew Cab 143.5" 4WD Crew Cab 143.5" 4WD Double Cab 143.5" 2WD Double Cab 143.5" 4WD Crew Cab 153.0" 2WD Crew Cab 153.0"
Inventory price
Starting at $32,900 Starting at $29,000 Starting at $29,300 Starting at $33,200 Starting at $35,500 Starting at $38,700 Starting at $37,000 Starting at $33,000 Starting at $40,100 Starting at $36,900
Combined MPG
19 20 20 19 20 19 19 20 18 19
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) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)

Denali (3 styles)

Style
4WD Crew Cab 153.0" Denali 2WD Crew Cab 143.5" Denali 4WD Crew Cab 143.5" Denali
Inventory price
Starting at $56,300 Starting at $52,900 Starting at $56,000
Combined MPG
17 18 17
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)

SLE (10 styles)

Style
2WD Reg Cab 119.0" SLE 4WD Reg Cab 133.0" SLE 4WD Reg Cab 119.0" SLE 2WD Reg Cab 133.0" SLE 4WD Double Cab 143.5" SLE 2WD Double Cab 143.5" SLE 4WD Crew Cab 153.0" SLE 2WD Crew Cab 153.0" SLE 2WD Crew Cab 143.5" SLE 4WD Crew Cab 143.5" SLE
Inventory price
Starting at $35,700 Starting at $39,900 Starting at $39,600 Starting at $35,800 Starting at $42,100 Starting at $38,300 Starting at $46,100 Starting at $42,100 Starting at $40,700 Starting at $44,700
Combined MPG
20 19 19 20 19 20 18 19 20 19
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) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)

SLT (5 styles)

Style
2WD Double Cab 143.5" SLT 4WD Crew Cab 143.5" SLT 2WD Crew Cab 143.5" SLT 4WD Double Cab 143.5" SLT 4WD Crew Cab 153.0" SLT
Inventory price
Starting at $42,800 Starting at $48,400 Starting at $45,200 Starting at $46,000 Starting at $48,700
Combined MPG
19 17 18 18 17
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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