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  • Quicksilver Metallic 2018 GMC Sierra 1500 SLT

    Not Priced

    73,691 mi.

    Miracle Chrysler Dodge Jeep Ram

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    Elverson, PA (12 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

    $24,988

    $200
    103,228 mi.
    Est. $427/mo

    Piazza Honda of Pottstown

    4.7
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    Royersford, PA (5 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

    $26,971

    $376
    101,294 mi.
    Est. $460/mo

    Peruzzi Toyota

    4.6
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    Hatfield, PA (18 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

    $32,985

    $500
    88,896 mi.
    Est. $563/mo

    Paoli Ford

    4.4
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    Paoli, PA (17 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

    $26,177

    99,315 mi.
    Est. $447/mo

    Star GMC of Quakertown

    4.3
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    Quakertown, PA (19 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

    $31,685

    102,866 mi.
    Est. $541/mo

    Jeff D'Ambrosio Chrysler Dodge Jeep Mits

    4.4
    Check Availability
    Downingtown, PA (17 mi)
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  • Onyx Black 2018 GMC Sierra 1500 DenaliOnyx Black 2018 GMC Sierra 1500 Denali

    $39,999

    48,142 mi.
    Est. $683/mo

    O'NEIL GMC

    4.9
    Warminster, PA (28 mi)
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  • Not Priced

    119,580 mi.

    Granite Run Buick GMC

    3.7
    Check Availability
    Media, PA (26 mi)
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  • $32,910

    77,503 mi.
    Est. $562/mo

    O'NEIL GMC

    4.9
    Warminster, PA (28 mi)
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  • $35,995

    76,617 mi.
    Est. $614/mo

    Robin Ford of Glenolden

    4.1
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    Glenolden, PA (30 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

    $18,478

    152,426 mi.
    Est. $315/mo

    Bob Ruth Ford

    3.7
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    $399 delivery from Dillsburg, PA (76 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLEOnyx Black 2018 GMC Sierra 1500 SLEOnyx Black 2018 GMC Sierra 1500 SLEOnyx Black 2018 GMC Sierra 1500 SLEOnyx Black 2018 GMC Sierra 1500 SLEOnyx Black 2018 GMC Sierra 1500 SLE

    $25,490

    $409
    110,142 mi.
    Est. $435/mo

    Auto First LLC

    3.5
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    $399 delivery from Mechanicsburg, PA (74 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

    $25,686

    $600
    138,723 mi.
    Est. $438/mo

    Lester Glenn Chrysler Dodge Jeep RAM

    4.8
    Check Availability
    Toms River, NJ (75 mi)
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  • Black 2018 GMC Sierra 1500 DenaliBlack 2018 GMC Sierra 1500 DenaliBlack 2018 GMC Sierra 1500 DenaliBlack 2018 GMC Sierra 1500 DenaliBlack 2018 GMC Sierra 1500 DenaliBlack 2018 GMC Sierra 1500 Denali

    $40,369

    48,516 mi.
    Est. $689/mo

    Star GMC of Easton

    4.5
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    Easton, PA (35 mi)
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  • Mineral Metallic 2018 GMC Sierra 1500 DenaliMineral Metallic 2018 GMC Sierra 1500 DenaliMineral Metallic 2018 GMC Sierra 1500 DenaliMineral Metallic 2018 GMC Sierra 1500 DenaliMineral Metallic 2018 GMC Sierra 1500 DenaliMineral Metallic 2018 GMC Sierra 1500 Denali

    $27,892

    $792
    104,447 mi.
    Est. $476/mo

    Sawyer Lyons Buick GMC of Randolph

    3.6
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    Randolph, NJ (67 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

    $23,279

    $1.6K
    83,627 mi.
    Est. $397/mo

    Tom's Ford

    4.8
    Check Availability
    Keyport, NJ (75 mi)
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  • Silver 2018 GMC Sierra 1500 DenaliSilver 2018 GMC Sierra 1500 DenaliSilver 2018 GMC Sierra 1500 DenaliSilver 2018 GMC Sierra 1500 DenaliSilver 2018 GMC Sierra 1500 DenaliSilver 2018 GMC Sierra 1500 Denali

    $19,900

    135,729 mi.
    Est. $340/mo

    Car2Sell of East Windsor

    4.8
    Check Availability
    East Windsor, NJ (57 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

    $23,794

    74,494 mi.
    Est. $406/mo

    Holman Ford - Turnersville

    4.0
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    Turnersville, NJ (48 mi)
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  • Silver Birch Metallic 2018 GMC Sierra 1500 BaseSilver Birch Metallic 2018 GMC Sierra 1500 BaseSilver Birch Metallic 2018 GMC Sierra 1500 BaseSilver Birch Metallic 2018 GMC Sierra 1500 BaseSilver Birch Metallic 2018 GMC Sierra 1500 BaseSilver Birch Metallic 2018 GMC Sierra 1500 Base

    $24,480

    52,197 mi.
    Est. $418/mo

    Auto Valley Group

    4.3
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    East Stroudsburg, PA (64 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 SLEQuicksilver Metallic 2018 GMC Sierra 1500 SLEQuicksilver Metallic 2018 GMC Sierra 1500 SLEQuicksilver Metallic 2018 GMC Sierra 1500 SLEQuicksilver Metallic 2018 GMC Sierra 1500 SLEQuicksilver Metallic 2018 GMC Sierra 1500 SLE

    $25,995

    $1K
    99,500 mi.
    Est. $444/mo

    Freehold Buick GMC

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    Freehold, NJ (70 mi)
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  • $24,398

    135,375 mi.
    Est. $417/mo

    i.g. Burton Chrysler Dodge Jeep Ram of Smyrna

    4.7
    Check Availability
    Smyrna, DE (67 mi)
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  • $19,400

    148,583 mi.
    Est. $331/mo

    House Of Cars

    4.3
    Check Availability
    Edison, NJ (67 mi)
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  • $30,696

    99,800 mi.
    Est. $524/mo

    Northway Automotive of Newton 2

    4.5
    Check Availability
    Newton, NJ (73 mi)
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  • $22,750

    97,781 mi.
    Est. $388/mo

    My Car Chevrolet GMC

    Check Availability
    Millersburg, PA (74 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $63,749 4 Good deals
2025 GMC Sierra 1500 $55,363 11 Good deals
2024 GMC Sierra 1500 $47,212 8 Good deals
2023 GMC Sierra 1500 $49,190 6 Great deals
2021 GMC Sierra 1500 $38,549 2 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 $27,473, 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:


  • GMC Sierra 2500
  • GMC Sierra 1500 Limited
  • GMC Sierra 1500 Hybrid
  • GMC Savana 1500
  • Chevrolet Silverado 1500

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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