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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

    $19,890

    $1K
    165,449 mi.
    Est. $357/mo

    Sheehy Toyota of Fredericksburg

    4.7
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    Fredericksburg, VA (23 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

    $27,996

    112,584 mi.
    Est. $503/mo

    Cars2Us Fairfax

    4.1
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    Fairfax, VA (24 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

    $19,995

    148,194 mi.
    Est. $359/mo

    Superior Wholesale

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    FREDERICKSBURG, VA (22 mi)
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  • BLK 2018 GMC Sierra 1500 DenaliBLK 2018 GMC Sierra 1500 DenaliBLK 2018 GMC Sierra 1500 DenaliBLK 2018 GMC Sierra 1500 DenaliBLK 2018 GMC Sierra 1500 DenaliBLK 2018 GMC Sierra 1500 Denali

    $23,444

    152,118 mi.
    Est. $421/mo

    Koons Automotive

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    Woodbridge, VA (7 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

    $23,995

    96,396 mi.
    Est. $431/mo

    PLATINUM AUTO SALES

    4.6
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    Arlington, VA (28 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

    $33,998

    96,508 mi.
    Est. $610/mo

    Maxkar Motors

    3.4
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    Fredericksburg, VA (18 mi)
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  • Red 2018 GMC Sierra 1500 SLERed 2018 GMC Sierra 1500 SLERed 2018 GMC Sierra 1500 SLERed 2018 GMC Sierra 1500 SLERed 2018 GMC Sierra 1500 SLERed 2018 GMC Sierra 1500 SLE

    $21,995

    106,180 mi.
    Est. $395/mo

    InTouch Auto Outlet

    3.3
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    Spotsylvania, VA (24 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

    $26,263

    88,572 mi.
    Est. $471/mo

    National Auto of Waldorf

    2.6
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    Waldorf, MD (24 mi)
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  • Burgundy 2018 GMC Sierra 1500 SLTBurgundy 2018 GMC Sierra 1500 SLTBurgundy 2018 GMC Sierra 1500 SLTBurgundy 2018 GMC Sierra 1500 SLTBurgundy 2018 GMC Sierra 1500 SLTBurgundy 2018 GMC Sierra 1500 SLT

    $24,299

    114,303 mi.
    Est. $436/mo

    Aren Auto Group

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    Chantilly, VA (30 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

    $18,950

    153,625 mi.
    Est. $340/mo

    Premier Automotive

    1.5
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    Dumfries, VA (4 mi)
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  • Stone Blue Metallic 2018 GMC Sierra 1500 SLEStone Blue Metallic 2018 GMC Sierra 1500 SLEStone Blue Metallic 2018 GMC Sierra 1500 SLEStone Blue Metallic 2018 GMC Sierra 1500 SLEStone Blue Metallic 2018 GMC Sierra 1500 SLEStone Blue Metallic 2018 GMC Sierra 1500 SLE

    $25,998

    69,925 mi.
    Est. $467/mo

    Sullivan Auto Trading Inc.

    3.4
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    Fredericksburg, VA (17 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

    $25,795

    $200
    112,588 mi.
    Est. $463/mo

    Kargar Motors of Manassas

    1.9
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    Manassas, VA (20 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

    Not Priced

    147,625 mi.
    Est. $0/mo

    Cars2Us Woodbridge

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    Woodbridge, VA (10 mi)
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  • Gray 2018 GMC Sierra 1500 Denali

    $27,995

    99,509 mi.
    Est. $503/mo

    Kargar Motors of Manassas

    1.9
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    Manassas, VA (20 mi)
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  • Not Priced

    87,906 mi.
    Est. $0/mo

    Sheehy GMC of Fredericksburg

    4.2
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    Fredericksburg, VA (23 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

    $34,998

    60,850 mi.
    Est. $628/mo

    CarMax Cool Springs

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    $349 delivery to Woodbridge, VA (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

    $32,998

    74,141 mi.
    Est. $592/mo

    CarMax Knoxville

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    $249 delivery to Woodbridge, VA (9 mi)
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  • Summit White 2018 GMC Sierra 1500 SLESummit White 2018 GMC Sierra 1500 SLESummit White 2018 GMC Sierra 1500 SLESummit White 2018 GMC Sierra 1500 SLESummit White 2018 GMC Sierra 1500 SLESummit White 2018 GMC Sierra 1500 SLE

    $26,688

    57,187 mi.
    Est. $479/mo

    Fitzgerald Subaru of Gaithersburg

    4.8
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    Gaithersburg, MD (45 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

    $29,995

    113,480 mi.
    Est. $538/mo

    Tom Hodges Mitsubishi

    5.0
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    Hollywood, MD (42 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 SLT

    $30,737

    69,296 mi.
    Est. $552/mo

    Annapolis Hyundai

    4.6
    Check Availability
    Edgewater, MD (49 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

    $29,788

    79,157 mi.
    Est. $535/mo

    Academy Ford

    4.8
    Check Availability
    Laurel, MD (45 mi)
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  • $23,000

    $1K
    127,040 mi.
    Est. $413/mo

    Upper Marlboro Ford

    4.5
    Check Availability
    Upper Marlboro, MD (36 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $58,992
2024 GMC Sierra 1500 $48,280 6 Good deals
2023 GMC Sierra 1500 $47,196 5 Great deals
2022 GMC Sierra 1500 $39,974 12 Good deals
2021 GMC Sierra 1500 $34,873 6 Great deals
2017 GMC Sierra 1500 $22,877 13 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 $26,928, with pricing starting at $9,000.

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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