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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

    $30,656

    $635
    70,209 mi.
    Est. $534/mo

    Vanguard Buick GMC of Carrollton

    3.7
    Carrollton, TX (19 mi)
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  • Dark Slate Metallic 2018 GMC Sierra 1500 DenaliDark Slate Metallic 2018 GMC Sierra 1500 DenaliDark Slate Metallic 2018 GMC Sierra 1500 DenaliDark Slate Metallic 2018 GMC Sierra 1500 DenaliDark Slate Metallic 2018 GMC Sierra 1500 DenaliDark Slate Metallic 2018 GMC Sierra 1500 Denali

    $34,995

    $2K
    79,669 mi.
    Est. $610/mo

    Planet Carz

    5.0
    Garland, TX (11 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

    $22,360

    146,000 mi.
    Est. $390/mo

    H Classic Group LLC

    Grand Prairie, TX (29 mi)
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  • White 2018 GMC Sierra 1500 BaseWhite 2018 GMC Sierra 1500 BaseWhite 2018 GMC Sierra 1500 BaseWhite 2018 GMC Sierra 1500 BaseWhite 2018 GMC Sierra 1500 BaseWhite 2018 GMC Sierra 1500 Base

    $19,997

    $1.9K
    85,034 mi.
    Est. $349/mo

    Car Place Dallas

    4.0
    Addison, TX (14 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 DenaliQuicksilver Metallic 2018 GMC Sierra 1500 Denali

    $33,488

    $1K
    80,218 mi.
    Est. $584/mo

    Sewell INFINITI Dallas

    4.5
    Dallas, TX (18 mi)
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  • Red 2018 GMC Sierra 1500 DenaliRed 2018 GMC Sierra 1500 DenaliRed 2018 GMC Sierra 1500 DenaliRed 2018 GMC Sierra 1500 DenaliRed 2018 GMC Sierra 1500 DenaliRed 2018 GMC Sierra 1500 Denali

    $24,995

    71,448 mi.
    Est. $436/mo

    Auto One Motors

    Garland, TX (9 mi)
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  • White Frost Tri-Coat 2018 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2018 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2018 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2018 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2018 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2018 GMC Sierra 1500 SLT

    $24,002

    143,528 mi.
    Est. $418/mo

    Ewing Buick GMC

    4.5
    Plano, TX (13 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

    $28,000

    $1.5K
    85,676 mi.
    Est. $488/mo

    Five Star Ford Dallas

    4.8
    Dallas, TX (11 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

    $24,991

    $920
    107,787 mi.
    Est. $436/mo

    Heritage Buick GMC

    4.6
    Rockwall, TX (13 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

    $25,828

    88,599 mi.
    Est. $450/mo

    Gulliver Auto Group

    2.2
    Plano, TX (9 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

    $23,288

    117,218 mi.
    Est. $406/mo

    Gulliver Auto Group

    2.2
    Plano, TX (9 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

    $21,495

    133,890 mi.
    Est. $375/mo

    International Auto Sales

    3.4
    Garland, TX (10 mi)
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  • White 2018 GMC Sierra 1500 DenaliWhite 2018 GMC Sierra 1500 DenaliWhite 2018 GMC Sierra 1500 DenaliWhite 2018 GMC Sierra 1500 DenaliWhite 2018 GMC Sierra 1500 DenaliWhite 2018 GMC Sierra 1500 Denali

    $26,995

    42,542 mi.
    Est. $471/mo

    Auto One Motors

    Garland, TX (9 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

    $20,699

    143,928 mi.
    Est. $361/mo

    Carnova

    3.7
    Dallas, TX (19 mi)
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  • Summit White 2018 GMC Sierra 1500 SLTSummit White 2018 GMC Sierra 1500 SLT

    $27,106

    103,058 mi.
    Est. $473/mo

    South Dallas Mitsubishi

    Dallas, TX (26 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

    $17,900

    182,002 mi.
    Est. $312/mo

    H Classic Group LLC

    Grand Prairie, TX (29 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

    Not Priced

    188,316 mi.
    Est. $0/mo

    Reliable Chevrolet

    4.4
    Richardson, TX (8 mi)
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  • $19,775

    $444
    154,228 mi.
    Est. $345/mo

    Rockwall Kia

    4.1
    Rockwall, TX (14 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

    $37,193

    73,828 mi.
    Est. $648/mo

    Lexus of Wichita

    4.7
    $326 delivery from Wichita, KS (326 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

    $27,995

    66,871 mi.
    Est. $488/mo

    S&M Auto Sales

    2.0
    $1,156 delivery from Hickory Hills, IL (771 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

    $20,162

    $901
    161,173 mi.
    Est. $351/mo

    Shottenkirk Toyota of Weatherford

    4.8
    Weatherford, TX (66 mi)
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  • Gray 2018 GMC Sierra 1500 SLTGray 2018 GMC Sierra 1500 SLTGray 2018 GMC Sierra 1500 SLTGray 2018 GMC Sierra 1500 SLTGray 2018 GMC Sierra 1500 SLTGray 2018 GMC Sierra 1500 SLT

    $35,998

    74,978 mi.
    Est. $628/mo

    CarMax Hulen Mall

    Fort Worth, TX (52 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

    $31,712

    $237
    92,507 mi.
    Est. $553/mo

    Vandergriff Acura

    3.2
    Arlington, TX (38 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

    $34,224

    $135
    42,541 mi.
    Est. $597/mo

    Vandergriff Acura

    3.2
    Arlington, TX (38 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

    $25,202

    $2.7K
    121,866 mi.
    Est. $439/mo

    James Wood Motors, Inc

    4.8
    Decatur, TX (58 mi)
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  • Summit White 2018 GMC Sierra 1500 FLEET/BASESummit White 2018 GMC Sierra 1500 FLEET/BASESummit White 2018 GMC Sierra 1500 FLEET/BASESummit White 2018 GMC Sierra 1500 FLEET/BASESummit White 2018 GMC Sierra 1500 FLEET/BASESummit White 2018 GMC Sierra 1500 FLEET/BASE

    $34,950

    147,162 mi.
    Est. $609/mo

    Jeff England Motor Company

    Cleburne, TX (64 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

    $27,900

    $1K
    94,496 mi.
    Est. $486/mo

    Classic of Cleburne Chevrolet/Buick/GMC

    4.9
    Cleburne, TX (67 mi)
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  • White Frost Tricoat 2018 GMC Sierra 1500 Denali

    $31,312

    $473
    103,937 mi.
    Est. $546/mo

    AutoNation Ford Fort Worth

    4.4
    Fort Worth, TX (53 mi)
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  • Summit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 BaseSummit White 2018 GMC Sierra 1500 Base

    Not Priced

    98,937 mi.

    LoneStar Mitsubishi

    4.2
    White Settlement, TX (53 mi)
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  • Not Priced

    74,138 mi.

    LoneStar Mitsubishi

    4.2
    White Settlement, TX (53 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $60,753 12 Great deals
2025 GMC Sierra 1500 $50,369 21 Good deals
2024 GMC Sierra 1500 $49,619 12 Great deals
2023 GMC Sierra 1500 $46,093 18 Great deals
2022 GMC Sierra 1500 $42,457 12 Great deals
2021 GMC Sierra 1500 $34,756 5 Great deals
2020 GMC Sierra 1500 $32,970 6 Great deals
2019 GMC Sierra 1500 $33,210 8 Good deals
2017 GMC Sierra 1500 $22,421 1 Good deal

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 $27,426, with pricing starting at $8,204.

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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