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  • Black Sand Pearl 2021 GMC Sierra 1500 DenaliBlack Sand Pearl 2021 GMC Sierra 1500 DenaliBlack Sand Pearl 2021 GMC Sierra 1500 DenaliBlack Sand Pearl 2021 GMC Sierra 1500 DenaliBlack Sand Pearl 2021 GMC Sierra 1500 DenaliBlack Sand Pearl 2021 GMC Sierra 1500 Denali

    $35,984

    106,276 mi.
    Est. $646/mo

    Drive N-Motion Greeley

    4.2
    Check Availability
    Greeley, CO (28 mi)
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  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $38,998

    76,740 mi.
    Est. $700/mo

    Transwest GMC Denver

    4.8
    Check Availability
    Henderson, CO (28 mi)
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  • White 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLEWhite 2021 GMC Sierra 1500 SLE

    $26,599

    119,746 mi.
    Est. $478/mo

    Yoder Chevrolet

    4.3
    Check Availability
    Fort Lupton, CO (22 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLTDark Sky Metallic 2021 GMC Sierra 1500 SLT

    $34,748

    $312
    108,702 mi.
    Est. $624/mo

    Loveland Buick GMC

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    Loveland, CO (20 mi)
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  • Black 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 Denali

    $46,950

    61,735 mi.
    Est. $843/mo

    Sterling Auto Sales - Frederick

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    Longmont, CO (13 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLESatin Steel Metallic 2021 GMC Sierra 1500 SLE

    $31,400

    $350
    44,660 mi.
    Est. $564/mo

    Corwin Toyota Boulder

    4.1
    Check Availability
    Boulder, CO (13 mi)
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  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $39,990

    71,656 mi.
    Est. $718/mo

    O'Meara Ford

    4.3
    Check Availability
    Northglenn, CO (25 mi)
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  • White Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 DenaliWhite Frost Tricoat 2021 GMC Sierra 1500 Denali

    $35,484

    127,751 mi.
    Est. $637/mo

    Drive N-Motion Greeley

    4.2
    Check Availability
    Greeley, CO (28 mi)
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  • Sky 2021 GMC Sierra 1500 AT4Sky 2021 GMC Sierra 1500 AT4Sky 2021 GMC Sierra 1500 AT4Sky 2021 GMC Sierra 1500 AT4Sky 2021 GMC Sierra 1500 AT4Sky 2021 GMC Sierra 1500 AT4

    $38,765

    76,655 mi.
    Est. $696/mo

    O'Meara GMC

    3.1
    Check Availability
    Thornton, CO (24 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLT

    $32,205

    109,537 mi.
    Est. $578/mo

    Mike Maroone Cadillac GMC

    4.6
    Check Availability
    Boulder, CO (13 mi)
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  • Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4Summit White 2021 GMC Sierra 1500 AT4

    $36,488

    93,322 mi.
    Est. $655/mo

    Johnson Auto Plaza

    3.4
    Check Availability
    Brighton, CO (26 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLTSatin Steel Metallic 2021 GMC Sierra 1500 SLT

    $38,614

    $1K
    60,059 mi.
    Est. $693/mo

    Loveland Buick GMC

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    Loveland, CO (20 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 DenaliSatin Steel Metallic 2021 GMC Sierra 1500 Denali

    $43,888

    52,196 mi.
    Est. $788/mo

    O'Meara GMC

    3.1
    Check Availability
    Thornton, CO (24 mi)
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  • 2021 GMC Sierra 1500 Denali2021 GMC Sierra 1500 Denali2021 GMC Sierra 1500 Denali2021 GMC Sierra 1500 Denali2021 GMC Sierra 1500 Denali2021 GMC Sierra 1500 Denali

    $41,500

    70,688 mi.
    Est. $745/mo

    Sterling Auto Sales - Frederick

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    Longmont, CO (13 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4Ebony Twilight Metallic 2021 GMC Sierra 1500 AT4

    $34,000

    72,512 mi.
    Est. $611/mo

    AutoSavvy Windsor

    4.4
    Check Availability
    Windsor, CO (21 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $37,698

    83,619 mi.
    Est. $677/mo

    Mike Maroone Chevrolet GMC

    4.1
    Check Availability
    Longmont, CO (9 mi)
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  • Brownstone Metallic 2021 GMC Sierra 1500 ElevationBrownstone Metallic 2021 GMC Sierra 1500 Elevation

    Not Priced

    74,100 mi.
    Est. $0/mo

    O'Meara GMC

    3.1
    Check Availability
    Thornton, CO (24 mi)
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  • Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4Satin Steel Metallic 2021 GMC Sierra 1500 AT4

    $41,694

    $299
    41,204 mi.
    Est. $749/mo

    Scottsdale Mitsubishi

    4.0
    Check Availability
    $1,187 delivery from Scottsdale, AZ (594 mi)
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  • Black 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 DenaliBlack 2021 GMC Sierra 1500 Denali

    $43,998

    55,109 mi.
    Est. $790/mo

    CarMax Amarillo

    4.7
    Check Availability
    $399 delivery to Loveland, CO (19 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 ElevationQuicksilver Metallic 2021 GMC Sierra 1500 Elevation

    $31,842

    $657
    91,173 mi.
    Est. $572/mo

    AutoNation Dodge Ram Arapahoe

    4.5
    Check Availability
    Centennial, CO (46 mi)
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  • Onyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 Denali

    $41,169

    75,871 mi.
    Est. $739/mo

    Grand Valley Auto Sales - Lakewood

    4.2
    Check Availability
    Lakewood, CO (33 mi)
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  • Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $36,998

    80,644 mi.
    Est. $664/mo

    Colorado Auto Finders

    4.1
    Check Availability
    Centennial, CO (46 mi)
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  • Onyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 DenaliOnyx Black 2021 GMC Sierra 1500 Denali

    $39,988

    101,105 mi.
    Est. $718/mo

    Family Trucks and Vans

    4.7
    Check Availability
    Denver, CO (38 mi)
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  • Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4Dark Sky Metallic 2021 GMC Sierra 1500 AT4

    $34,887

    99,460 mi.
    Est. $627/mo

    Grand Valley Auto Sales - Lakewood

    4.2
    Check Availability
    Lakewood, CO (33 mi)
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  • Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4Onyx Black 2021 GMC Sierra 1500 AT4

    $39,728

    71,129 mi.
    Est. $713/mo

    AutoNation Buick GMC West

    4.0
    Check Availability
    Golden, CO (33 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 ElevationPacific Blue Metallic 2021 GMC Sierra 1500 Elevation

    $30,988

    117,848 mi.
    Est. $556/mo

    Family Trucks and Vans

    4.7
    Check Availability
    Denver, CO (38 mi)
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  • White 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLTWhite 2021 GMC Sierra 1500 SLT

    $32,988

    103,379 mi.
    Est. $592/mo

    Family Trucks and Vans

    4.7
    Check Availability
    Denver, CO (38 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLTWhite Frost Tri-Coat 2021 GMC Sierra 1500 SLT

    $38,759

    44,559 mi.
    Est. $696/mo

    Auto Mart USA

    Check Availability
    Aurora, CO (39 mi)
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  • WHITE 2021 GMC Sierra 1500 ElevationWHITE 2021 GMC Sierra 1500 ElevationWHITE 2021 GMC Sierra 1500 ElevationWHITE 2021 GMC Sierra 1500 ElevationWHITE 2021 GMC Sierra 1500 ElevationWHITE 2021 GMC Sierra 1500 Elevation

    $33,998

    73,511 mi.
    Est. $611/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (33 mi)
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  • RED 2021 GMC Sierra 1500 ElevationRED 2021 GMC Sierra 1500 ElevationRED 2021 GMC Sierra 1500 ElevationRED 2021 GMC Sierra 1500 ElevationRED 2021 GMC Sierra 1500 ElevationRED 2021 GMC Sierra 1500 Elevation

    $37,298

    66,328 mi.
    Est. $670/mo

    Super Auto Company, Inc.

    5.0
    Check Availability
    Denver, CO (33 mi)
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  • Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4Black 2021 GMC Sierra 1500 AT4

    $41,500

    58,000 mi.
    Est. $745/mo

    Private seller: Scott

    Contact Seller
    Denver, CO (32 mi)
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GMC Sierra 1500 prices by year

Model year Average price Deals
2026 GMC Sierra 1500 $62,991 3 Good deals
2025 GMC Sierra 1500 $56,186 7 Great deals
2024 GMC Sierra 1500 $51,753 5 Great deals
2023 GMC Sierra 1500 $47,777 14 Good deals
2022 GMC Sierra 1500 $41,414 10 Good deals
2020 GMC Sierra 1500 $35,504 5 Good deals
2019 GMC Sierra 1500 $33,415 12 Good deals

About the 2021 GMC Sierra 1500

Basics

Base shown (base trim).

Seating
3
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
16
Transmission
6-Speed A/T
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
Side view of the 2021 GMC Sierra 1500
FAQs

How much does the 2021 GMC Sierra 1500 cost?

The 2021 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 2021 Sierra 1500 is $36,095, with pricing starting at $13,987.

What is the MPG of the 2021 GMC Sierra 1500?

The 2021 GMC Sierra 1500 offers up to 14 MPG in city driving and 19 MPG on the highway for a combined rating of 16 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 2021 GMC Sierra 1500?

The 2021 GMC Sierra 1500 compares to and/or competes against the following vehicles:


Is the 2021 GMC Sierra 1500 reliable?

The 2021 GMC Sierra 1500 has an average reliability rating of 3.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 1500 owners.

Is the 2021 GMC Sierra 1500 a good truck?

Below are the Cars.com consumer ratings for the 2021 GMC Sierra 1500.

(56 reviews)
Rating breakdown (out of 5):
Comfort
4.2
Interior
4.2
Performance
3.8
Value
3.6
Exterior
4.3
Reliability
3.5
Ratings (56 reviews)

60% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.2
Interior
4.2
Performance
3.8
Value
3.6
Exterior
4.3
Reliability
3.5
Trims

AT4 (2 styles)

Style
4WD Crew Cab 157" AT4 4WD Crew Cab 147" AT4
Inventory price
Starting at $55,900 Starting at $54,700
Combined MPG
16 17
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)

Base (7 styles)

Style
4WD Double Cab 147" 2WD Double Cab 147" 2WD Crew Cab 147" 4WD Crew Cab 147" 4WD Crew Cab 157" 4WD Reg Cab 140" 2WD Reg Cab 140"
Inventory price
Starting at $37,300 Starting at $34,000 Starting at $36,400 Starting at $39,700 Starting at $40,000 Starting at $34,700 Starting at $30,100
Combined MPG
19 21 21 19 19 16 16
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 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)

Denali (3 styles)

Style
2WD Crew Cab 147" Denali 4WD Crew Cab 147" Denali 4WD Crew Cab 157" Denali
Inventory price
Starting at $55,800 Starting at $59,300 Starting at $59,600
Combined MPG
17 18 18
Engine
355.0-hp, 5.3-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)

Elevation (7 styles)

Style
4WD Double Cab 147" Elevation w/3VL 4WD Crew Cab 147" Elevation w/3VL 4WD Crew Cab 157" Elevation 2WD Double Cab 147" Elevation 4WD Double Cab 147" Elevation w/3SB 4WD Crew Cab 147" Elevation w/3SB 2WD Crew Cab 147" Elevation
Inventory price
Starting at $44,600 Starting at $47,200 Starting at $49,300 Starting at $43,100 Starting at $46,400 Starting at $49,000 Starting at $45,700
Combined MPG
19 19 19 21 19 19 21
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)

SLE (5 styles)

Style
4WD Crew Cab 147" SLE 4WD Crew Cab 157" SLE 2WD Double Cab 147" SLE 2WD Crew Cab 147" SLE 4WD Double Cab 147" SLE
Inventory price
Starting at $47,100 Starting at $47,400 Starting at $41,400 Starting at $43,800 Starting at $44,700
Combined MPG
19 19 21 21 19
Engine
310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel) 310.0-hp, 2.7-liter, 4 Cylinder Engine (Gasoline Fuel)

SLT (3 styles)

Style
4WD Crew Cab 147" SLT 2WD Crew Cab 147" SLT 4WD Crew Cab 157" SLT
Inventory price
Starting at $50,800 Starting at $47,500 Starting at $51,100
Combined MPG
18 17 18
Engine
420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
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