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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

    $27,999

    $384
    107,753 mi.
    Est. $511/mo

    Ed Martin Buick GMC

    4.9
    Check Availability
    Carmel, IN (16 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

    $18,988

    192,607 mi.
    Est. $346/mo

    Ray Skillman Chevrolet

    4.6
    Check Availability
    Indianapolis, IN (18 mi)
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  • Red 2018 GMC Sierra 1500 SLTRed 2018 GMC Sierra 1500 SLTRed 2018 GMC Sierra 1500 SLTRed 2018 GMC Sierra 1500 SLTRed 2018 GMC Sierra 1500 SLTRed 2018 GMC Sierra 1500 SLT

    $25,900

    115,548 mi.
    Est. $472/mo

    Moto Cars USA Tipton

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    Tipton, IN (23 mi)
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  • White Frost 2018 GMC Sierra 1500 SLTWhite Frost 2018 GMC Sierra 1500 SLTWhite Frost 2018 GMC Sierra 1500 SLTWhite Frost 2018 GMC Sierra 1500 SLTWhite Frost 2018 GMC Sierra 1500 SLTWhite Frost 2018 GMC Sierra 1500 SLT

    $26,000

    122,993 mi.
    Est. $474/mo

    Andy Mohr Avon Nissan

    4.1
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    Avon, IN (27 mi)
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  • Onyx Black 2018 GMC Sierra 1500 BaseOnyx Black 2018 GMC Sierra 1500 BaseOnyx Black 2018 GMC Sierra 1500 BaseOnyx Black 2018 GMC Sierra 1500 BaseOnyx Black 2018 GMC Sierra 1500 BaseOnyx Black 2018 GMC Sierra 1500 Base

    $26,655

    $340
    56,467 mi.
    Est. $486/mo

    Andy Mohr Chrysler Dodge Jeep RAM

    4.3
    Check Availability
    Indianapolis, IN (16 mi)
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  • Cardinal Red 2018 GMC Sierra 1500 SLTCardinal Red 2018 GMC Sierra 1500 SLTCardinal Red 2018 GMC Sierra 1500 SLTCardinal Red 2018 GMC Sierra 1500 SLTCardinal Red 2018 GMC Sierra 1500 SLTCardinal Red 2018 GMC Sierra 1500 SLT

    $29,690

    $300
    70,686 mi.
    Est. $542/mo

    Indy Auto Man - Westfield

    4.5
    Check Availability
    Westfield, 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 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLT

    $26,998

    $416
    102,316 mi.
    Est. $493/mo

    Ed Martin Buick GMC

    4.9
    Check Availability
    Carmel, IN (16 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

    $34,961

    55,360 mi.
    Est. $638/mo

    Andy Mohr Avon Nissan

    4.1
    Check Availability
    Avon, IN (27 mi)
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  • White Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 DenaliWhite Frost 2018 GMC Sierra 1500 Denali

    $26,599

    113,441 mi.
    Est. $485/mo

    Andy Mohr Buick GMC

    3.6
    Check Availability
    Fishers, IN (4 mi)
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  • $38,988

    30,100 mi.
    Est. $711/mo

    Ray Skillman Northeast GMC

    4.7
    Check Availability
    Indianapolis, IN (14 mi)
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  • $24,988

    123,814 mi.
    Est. $456/mo

    Ray Skillman Chevrolet

    4.6
    Check Availability
    Indianapolis, IN (18 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. $565/mo

    CarMax Naperville

    4.6
    Check Availability
    Free delivery to Indianapolis, IN (8 mi)
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  • White 2018 GMC Sierra 1500White 2018 GMC Sierra 1500White 2018 GMC Sierra 1500White 2018 GMC Sierra 1500White 2018 GMC Sierra 1500White 2018 GMC Sierra 1500

    $20,998

    86,746 mi.
    Est. $383/mo

    CarMax Winston-Salem

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    $299 delivery to Indianapolis, IN (8 mi)
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  • Dark Slate Metallic 2018 GMC Sierra 1500 SLEDark Slate Metallic 2018 GMC Sierra 1500 SLEDark Slate Metallic 2018 GMC Sierra 1500 SLEDark Slate Metallic 2018 GMC Sierra 1500 SLEDark Slate Metallic 2018 GMC Sierra 1500 SLEDark Slate Metallic 2018 GMC Sierra 1500 SLE

    $24,304

    87,005 mi.
    Est. $443/mo

    Toyota of Muncie

    4.7
    Check Availability
    Muncie, IN (32 mi)
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  • Blue 2018 GMC Sierra 1500 SLTBlue 2018 GMC Sierra 1500 SLTBlue 2018 GMC Sierra 1500 SLTBlue 2018 GMC Sierra 1500 SLTBlue 2018 GMC Sierra 1500 SLTBlue 2018 GMC Sierra 1500 SLT

    $15,900

    257,598 mi.
    Est. $290/mo

    Campbell Brothers Auto Sales

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    Rushville, IN (36 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

    $15,749

    188,010 mi.
    Est. $287/mo

    Midwest truck collective Inc.

    Check Availability
    Trafalgar, IN (39 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $61,714
2025 GMC Sierra 1500 $54,191 5 Great deals
2024 GMC Sierra 1500 $51,450 9 Great deals
2023 GMC Sierra 1500 $45,055 17 Good deals
2022 GMC Sierra 1500 $40,854 12 Good deals
2021 GMC Sierra 1500 $35,594 16 Good deals
2020 GMC Sierra 1500 $35,672 11 Good deals
2019 GMC Sierra 1500 $33,323 5 Good deals
2017 GMC Sierra 1500 $22,287 9 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 $27,240, with pricing starting at $8,557.

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
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" 4WD Reg Cab 119.0" 2WD Reg Cab 119.0" 2WD Reg Cab 133.0" 4WD Reg Cab 133.0"
Inventory price
Starting at $35,500 Starting at $38,700 Starting at $37,000 Starting at $33,000 Starting at $40,100 Starting at $36,900 Starting at $32,900 Starting at $29,000 Starting at $29,300 Starting at $33,200
Combined MPG
20 19 19 20 18 19 19 20 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) 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) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)

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
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 2WD Reg Cab 119.0" SLE 4WD Reg Cab 133.0" SLE 4WD Reg Cab 119.0" SLE 2WD Reg Cab 133.0" SLE
Inventory price
Starting at $42,100 Starting at $38,300 Starting at $46,100 Starting at $42,100 Starting at $40,700 Starting at $44,700 Starting at $35,700 Starting at $39,900 Starting at $39,600 Starting at $35,800
Combined MPG
19 20 18 19 20 19 20 19 19 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) 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) 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)

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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