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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

    $21,995

    $1K
    134,098 mi.
    Est. $413/mo

    Rides Unlimited Chicago

    4.4
    Check Availability
    Crest Hill, IL (22 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

    $26,000

    87,818 mi.
    Est. $488/mo

    Arnie Bauer Buick GMC of Matteson

    4.3
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    Matteson, IL (12 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

    $32,235

    $190
    59,185 mi.
    Est. $605/mo

    GENESIS OF MERRILLVILLE

    4.8
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    Merrillville, IN (25 mi)
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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

    $26,890

    73,060 mi.
    Est. $504/mo

    Shaver Preferred Motors

    4.2
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    Merriville, IN (24 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

    $26,172

    59,021 mi.
    Est. $491/mo

    Advantage Chevrolet of Bolingbrook

    4.8
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    Bolingbrook, IL (18 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

    $27,199

    $300
    87,181 mi.
    Est. $510/mo

    Zeigler Buick GMC of Lincolnwood

    4.3
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    Lincolnwood, IL (24 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

    $33,995

    91,788 mi.
    Est. $638/mo

    Mike Haggerty Buick GMC

    3.8
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    Oak Lawn, IL (4 mi)
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  • Quicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 BaseQuicksilver Metallic 2018 GMC Sierra 1500 Base

    $12,995

    $1.4K
    171,865 mi.
    Est. $244/mo

    Schererville Auto Sales

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    Schererville, IN (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

    $35,960

    65,052 mi.
    Est. $674/mo

    Sherman Dodge Chrysler Jeep RAM

    4.5
    Check Availability
    Skokie, IL (25 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

    $14,800

    $200
    170,509 mi.
    Est. $278/mo

    Ultimate Motor Cars

    2.6
    Check Availability
    Downers Grove, IL (19 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

    $23,997

    $490
    128,880 mi.
    Est. $450/mo

    Rod Baker Ford

    4.6
    Check Availability
    Plainfield, IL (24 mi)
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  • Onyx Black 2018 GMC Sierra 1500 SLT

    $19,999

    199,805 mi.
    Est. $375/mo

    Al Piemonte Buick GMC

    4.5
    Check Availability
    Elmhurst, IL (22 mi)
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  • $19,950

    112,931 mi.
    Est. $374/mo

    Rizza Cadillac Buick GMC

    4.3
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    Tinley Park, IL (7 mi)
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  • Gray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 DenaliGray 2018 GMC Sierra 1500 Denali

    $39,998

    68,311 mi.
    Est. $750/mo

    CarMax Raleigh

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    $399 delivery to Oak Lawn, IL (5 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

    $21,750

    94,524 mi.
    Est. $408/mo

    Auto Land Group Inc

    4.5
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    $140 delivery from Mundelein, IL (44 mi)
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  • White Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 DenaliWhite Frost Tri-Coat 2018 GMC Sierra 1500 Denali

    $27,495

    129,321 mi.
    Est. $516/mo

    Land Rover Schaumburg

    4.8
    Check Availability
    Schaumburg, IL (33 mi)
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  • Stone Blue Metallic 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLTStone Blue Metallic 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLTStone Blue Metallic 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLTStone Blue Metallic 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLTStone Blue Metallic 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLTStone Blue Metallic 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLT

    $23,999

    126,757 mi.
    Est. $450/mo

    Your Choice Autos Waukegan

    4.6
    Check Availability
    Waukegan, IL (48 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

    $33,477

    $400
    54,403 mi.
    Est. $628/mo

    Castle Subaru

    4.5
    Check Availability
    Portage, IN (30 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

    $16,937

    96,554 mi.
    Est. $318/mo

    Greenway Autos

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    Morris, IL (42 mi)
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  • Onyx Black 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLEOnyx Black 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLEOnyx Black 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLEOnyx Black 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLEOnyx Black 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLEOnyx Black 2018 GMC Sierra 1500 4WD Crew Cab 143.5" SLE

    $19,999

    120,708 mi.
    Est. $375/mo

    Your Choice Autos Waukegan

    4.6
    Check Availability
    Waukegan, IL (48 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

    $25,698

    131,712 mi.
    Est. $482/mo

    Fox Valley Buick GMC

    4.4
    Check Availability
    St Charles, IL (34 mi)
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  • Red Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 DenaliRed Quartz Tintcoat 2018 GMC Sierra 1500 Denali

    $26,499

    124,273 mi.
    Est. $497/mo

    Your Choice Auto Sales of Elgin

    4.7
    Check Availability
    Elgin, IL (37 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

    $25,467

    125,310 mi.
    Est. $478/mo

    Bill Kay Honda

    4.0
    Check Availability
    Bourbonnais, IL (36 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

    $21,750

    94,524 mi.
    Est. $408/mo

    Auto Land Group Inc

    4.5
    Check Availability
    Mundelein, IL (44 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

    $21,999

    138,698 mi.
    Est. $413/mo

    Fortune Motor Group

    4.7
    Check Availability
    Waukegan, IL (48 mi)
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  • Cardinal Red 2018 GMC Sierra 1500 SLECardinal Red 2018 GMC Sierra 1500 SLECardinal Red 2018 GMC Sierra 1500 SLECardinal Red 2018 GMC Sierra 1500 SLECardinal Red 2018 GMC Sierra 1500 SLECardinal Red 2018 GMC Sierra 1500 SLE

    $19,997

    107,353 mi.
    Est. $375/mo

    Auto Land Group Inc

    4.5
    Check Availability
    Mundelein, IL (44 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

    $24,997

    $298
    124,803 mi.
    Est. $469/mo

    Auto Land Group Inc

    4.5
    Check Availability
    Mundelein, IL (44 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $58,912 3 Good deals
2025 GMC Sierra 1500 $54,962 8 Great deals
2024 GMC Sierra 1500 $50,244 6 Great deals
2023 GMC Sierra 1500 $45,208 23 Good deals
2022 GMC Sierra 1500 $43,839 22 Good deals
2021 GMC Sierra 1500 $36,359 6 Great deals
2020 GMC Sierra 1500 $33,500 12 Good deals
2019 GMC Sierra 1500 $30,370 13 Good deals
2017 GMC Sierra 1500 $21,454 9 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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