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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

    $28,990

    112,435 mi.
    Est. $535/mo

    Rocky Mountain Truck Stop of Dallas

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    Dallas, TX (8 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

    $27,850

    109,879 mi.
    Est. $514/mo

    Prosper Ford

    4.5
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    Prosper, TX (23 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 Denali

    $27,996

    113,183 mi.
    Est. $517/mo

    EchoPark Automotive Dallas

    4.8
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    Grand Prairie, TX (20 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

    $14,995

    119,784 mi.
    Est. $277/mo

    Post Motors Mansfield

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    Mansfield, TX (29 mi)
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  • 2018 GMC Sierra 1500 Base2018 GMC Sierra 1500 Base2018 GMC Sierra 1500 Base2018 GMC Sierra 1500 Base2018 GMC Sierra 1500 Base2018 GMC Sierra 1500 Base

    $14,990

    163,415 mi.
    Est. $277/mo

    Auto Place Inc.

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    Dallas, TX (9 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLT

    $28,803

    $710
    94,573 mi.
    Est. $532/mo

    Frisco Chrysler Dodge Jeep Ram

    4.6
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    Frisco, TX (15 mi)
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  • Quicksilver 2018 GMC Sierra 1500 SLTQuicksilver 2018 GMC Sierra 1500 SLTQuicksilver 2018 GMC Sierra 1500 SLTQuicksilver 2018 GMC Sierra 1500 SLTQuicksilver 2018 GMC Sierra 1500 SLTQuicksilver 2018 GMC Sierra 1500 SLT

    $28,972

    $655
    72,629 mi.
    Est. $535/mo

    Grand Prairie Ford

    4.7
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    Grand Prairie, TX (14 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

    $27,998

    93,681 mi.
    Est. $517/mo

    CarMax Garland

    4.5
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    Garland, TX (21 mi)
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  • Dark Slate Metallic 2018 GMC Sierra 1500 SLTDark Slate Metallic 2018 GMC Sierra 1500 SLTDark Slate Metallic 2018 GMC Sierra 1500 SLTDark Slate Metallic 2018 GMC Sierra 1500 SLTDark Slate Metallic 2018 GMC Sierra 1500 SLTDark Slate Metallic 2018 GMC Sierra 1500 SLT

    $35,988

    33,424 mi.
    Est. $664/mo

    Gulliver Auto Group

    2.9
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    Plano, TX (14 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

    $39,990

    32,853 mi.
    Est. $738/mo

    Lifted Trucks - Hurst

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    Hurst, TX (17 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLT

    $22,499

    $491
    110,986 mi.
    Est. $415/mo

    CARLAND AUTO GROUP LLC

    4.8
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    Dallas, TX (18 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 DenaliWhite Frost Tricoat 2018 GMC Sierra 1500 Denali

    $33,990

    85,085 mi.
    Est. $627/mo

    Shottenkirk Chrysler Dodge Jeep Ram Prosper

    4.4
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    Prosper, TX (20 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

    $17,876

    143,928 mi.
    Est. $330/mo

    Carnova

    3.6
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    Dallas, TX (9 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 SLERed Quartz Tintcoat 2018 GMC Sierra 1500 SLERed Quartz Tintcoat 2018 GMC Sierra 1500 SLERed Quartz Tintcoat 2018 GMC Sierra 1500 SLERed Quartz Tintcoat 2018 GMC Sierra 1500 SLERed Quartz Tintcoat 2018 GMC Sierra 1500 SLE

    $21,996

    77,044 mi.
    Est. $406/mo

    Texas Car One

    3.4
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    Carrollton, TX (9 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 SLT

    $24,983

    140,519 mi.
    Est. $461/mo

    Guzman Auto Group LLC

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    Dallas, TX (8 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

    $30,995

    $441
    72,919 mi.
    Est. $572/mo

    Westway Ford

    4.4
    Check Availability
    Irving, TX (9 mi)
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  • Not Priced

    97,606 mi.
    Est. $0/mo

    South Dallas Mitsubishi

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    Dallas, TX (21 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLTQuicksilver Metallic 2018 GMC Sierra 1500 SLT

    Not Priced

    92,996 mi.
    Est. $0/mo

    Imd Motors Richardson

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    Dallas, TX (7 mi)
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  • Not Priced

    80,144 mi.
    Est. $0/mo

    South Dallas Mitsubishi

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    Dallas, TX (21 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 SLT

    $32,455

    36,027 mi.
    Est. $599/mo

    Tom Clark Buick GMC

    4.8
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    Denton, TX (21 mi)
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  • Summit White 2018 GMC Sierra 1500 Base

    $18,996

    71,560 mi.
    Est. $351/mo

    Texas Car One

    3.4
    Check Availability
    Carrollton, TX (9 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLT

    $23,952

    $1.3K
    111,998 mi.
    Est. $442/mo

    Town East Ford

    4.7
    Check Availability
    Mesquite, TX (24 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

    $38,998

    $1K
    14,317 mi.
    Est. $720/mo

    CarMax Baton Rouge

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    $299 delivery to Irving, TX (10 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

    $21,998

    74,667 mi.
    Est. $406/mo

    CarMax Kenner

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    $299 delivery to Irving, TX (10 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $59,634 5 Great deals
2025 GMC Sierra 1500 $50,551 30 Great deals
2024 GMC Sierra 1500 $48,183 23 Great deals
2023 GMC Sierra 1500 $46,180 5 Great deals
2022 GMC Sierra 1500 $42,440 23 Good deals
2021 GMC Sierra 1500 $34,265 16 Great deals
2020 GMC Sierra 1500 $33,585 13 Great deals
2019 GMC Sierra 1500 $32,628 23 Good deals
2017 GMC Sierra 1500 $20,418 4 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 $26,883, with pricing starting at $9,500.

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
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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