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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

    $27,295

    $204
    121,989 mi.
    Est. $498/mo

    Orlando VW North

    4.7
    Check Availability
    Orlando, FL (12 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

    $25,695

    122,676 mi.
    Est. $469/mo

    DriveTime of Sanford

    5.0
    Check Availability
    Sanford, FL (6 mi)
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  • Black 2018 GMC Sierra 1500 SLTBlack 2018 GMC Sierra 1500 SLTBlack 2018 GMC Sierra 1500 SLTBlack 2018 GMC Sierra 1500 SLTBlack 2018 GMC Sierra 1500 SLTBlack 2018 GMC Sierra 1500 SLT

    $19,939

    153,600 mi.
    Est. $364/mo

    VIP Auto Enterprise, Inc.

    3.0
    Check Availability
    Orlando, FL (15 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

    $25,989

    97,781 mi.
    Est. $474/mo

    VIP Auto

    Check Availability
    Orlando, FL (21 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

    $21,989

    146,935 mi.
    Est. $401/mo

    VIP Auto Enterprise 2

    Check Availability
    Orlando, FL (15 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

    $22,929

    96,420 mi.
    Est. $418/mo

    VIP Auto Enterprise, Inc.

    3.0
    Check Availability
    Orlando, FL (15 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

    $33,280

    $269
    86,429 mi.
    Est. $607/mo

    Kaiser GMC Trucks

    2.9
    Check Availability
    DeLand, FL (17 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLT

    $21,182

    137,597 mi.
    Est. $386/mo

    OFFLease Orlando

    4.0
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    Maitland, FL (9 mi)
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  • $27,891

    76,465 mi.
    Est. $509/mo

    AutoNation Chevrolet West Colonial

    3.8
    Check Availability
    Orlando, FL (16 mi)
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  • $23,995

    104,330 mi.
    Est. $438/mo

    Hot Wheels & Deals

    Check Availability
    Leesburg, FL (26 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

    $20,990

    $1K
    94,376 mi.
    Est. $383/mo

    Bomnin Chevrolet Dadeland

    4.8
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    $399 delivery from Miami, FL (222 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

    $1K
    74,680 mi.
    Est. $383/mo

    CarMax North Shore

    4.7
    Check Availability
    $99 delivery to Sanford, FL (3 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

    $21,900

    144,214 mi.
    Est. $400/mo

    Beaver Toyota of St. Augustine

    4.9
    Check Availability
    Augustine, FL (75 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

    $30,995

    41,373 mi.
    Est. $565/mo

    Gary Yeomans Ford Palm Bay

    4.5
    Check Availability
    Palm Bay, FL (70 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLTOnyx Black 2018 GMC Sierra 1500 SLT

    $34,990

    40,245 mi.
    Est. $638/mo

    Jim Browne Dade City Chevrolet GMC

    3.7
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    Dade City, FL (60 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

    $38,208

    75,451 mi.
    Est. $697/mo

    Phillips Buick GMC

    4.5
    Check Availability
    Fruitland Park, FL (35 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

    $31,995

    93,956 mi.
    Est. $584/mo

    Thomas Auto Mart

    4.8
    Check Availability
    Dade City, FL (59 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

    Not Priced

    89,184 mi.
    Est. $0/mo

    Daytona Toyota

    4.7
    Check Availability
    Daytona Beach, FL (37 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $60,305 5 Great deals
2025 GMC Sierra 1500 $56,083 5 Great deals
2024 GMC Sierra 1500 $50,022 20 Good deals
2023 GMC Sierra 1500 $42,454 28 Good deals
2022 GMC Sierra 1500 $42,683 10 Good deals
2021 GMC Sierra 1500 $33,245 9 Good deals
2020 GMC Sierra 1500 $30,025 7 Great 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 $27,435, with pricing starting at $3,995.

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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