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  • Gray 2020 GMC Sierra 1500 SLTGray 2020 GMC Sierra 1500 SLTGray 2020 GMC Sierra 1500 SLTGray 2020 GMC Sierra 1500 SLTGray 2020 GMC Sierra 1500 SLTGray 2020 GMC Sierra 1500 SLT

    $27,496

    $500
    118,919 mi.
    Est. $518/mo

    Cars2Us Fairfax

    4.2
    Fairfax, VA (584 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4Carbon Black Metallic 2020 GMC Sierra 1500 AT4

    $37,424

    $375
    60,748 mi.
    Est. $705/mo

    Stoler Chevrolet Buick

    4.3
    Owings Mills, MD (593 mi)
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  • Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4

    $40,436

    57,269 mi.
    Est. $762/mo

    Fabre Chevrolet GMC

    4.7
    Saint Francisville, LA (794 mi)
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  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $28,991

    $721
    109,262 mi.
    Est. $546/mo

    AutoNation Chevrolet North Richland Hills

    4.5
    North Richland Hills, TX (816 mi)
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  • Quicksilver Metallic 2020 GMC Sierra 1500 SLTQuicksilver Metallic 2020 GMC Sierra 1500 SLTQuicksilver Metallic 2020 GMC Sierra 1500 SLTQuicksilver Metallic 2020 GMC Sierra 1500 SLTQuicksilver Metallic 2020 GMC Sierra 1500 SLTQuicksilver Metallic 2020 GMC Sierra 1500 SLT

    $40,598

    27,333 mi.
    Est. $765/mo

    Henderson Hyundai Superstore

    4.7
    Henderson, NV (1,517 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLE

    $29,711

    35,030 mi.
    Est. $560/mo

    Webb Chevy

    4.8
    Oak Lawn, IL (13 mi)
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  • Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4

    $39,570

    $600
    57,103 mi.
    Est. $745/mo

    Penske Honda

    4.8
    Indianapolis, IN (158 mi)
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  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $38,428

    $142
    43,350 mi.
    Est. $724/mo

    Four Stars Nissan of Denton

    4.8
    Corinth, TX (793 mi)
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  • Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4

    $39,894

    $750
    74,012 mi.
    Est. $752/mo

    County Ford

    4.3
    Graham, NC (598 mi)
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  • Onyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLTOnyx Black 2020 GMC Sierra 1500 SLT

    $28,594

    $995
    118,794 mi.
    Est. $539/mo

    Palmen Buick, GMC, Cadillac

    4.6
    Kenosha, WI (50 mi)
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  • Satin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLTSatin Steel Metallic 2020 GMC Sierra 1500 SLT

    $40,995

    $1.4K
    32,169 mi.
    Est. $772/mo

    AutoNation Chrysler Dodge Jeep Ram Roseville

    4.3
    Roseville, CA (1,774 mi)
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  • White Frost 2020 GMC Sierra 1500 SLTWhite Frost 2020 GMC Sierra 1500 SLTWhite Frost 2020 GMC Sierra 1500 SLTWhite Frost 2020 GMC Sierra 1500 SLTWhite Frost 2020 GMC Sierra 1500 SLTWhite Frost 2020 GMC Sierra 1500 SLT

    $36,889

    $500
    64,203 mi.
    Est. $695/mo

    Whitten Brothers of Richmond

    4.9
    Richmond, VA (613 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLE

    $24,971

    92,805 mi.
    Est. $470/mo

    AutoNation Chevrolet North

    3.9
    Denver, CO (916 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 1500 AT4Red Quartz Tintcoat 2020 GMC Sierra 1500 AT4Red Quartz Tintcoat 2020 GMC Sierra 1500 AT4Red Quartz Tintcoat 2020 GMC Sierra 1500 AT4Red Quartz Tintcoat 2020 GMC Sierra 1500 AT4Red Quartz Tintcoat 2020 GMC Sierra 1500 AT4

    $35,086

    $400
    71,962 mi.
    Est. $661/mo

    Chapman Ford Lancaster

    4.9
    Lancaster, PA (603 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 DenaliPacific Blue Metallic 2020 GMC Sierra 1500 Denali

    $33,948

    122,066 mi.
    Est. $640/mo

    McDaniel GM Superstore

    4.9
    Marion, OH (253 mi)
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  • Onyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 Denali

    $32,952

    139,009 mi.
    Est. $621/mo

    Mercedes-Benz of Clear Lake

    4.8
    Webster, TX (952 mi)
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  • Pacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLEPacific Blue Metallic 2020 GMC Sierra 1500 SLE

    $28,800

    95,368 mi.
    Est. $543/mo

    Koons Ford of Baltimore

    4.3
    Windsor Mill, MD (598 mi)
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  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $33,969

    86,794 mi.
    Est. $640/mo

    Hudson Nissan

    4.7
    North Charleston, SC (745 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 1500 DenaliCarbon Black Metallic 2020 GMC Sierra 1500 DenaliCarbon Black Metallic 2020 GMC Sierra 1500 DenaliCarbon Black Metallic 2020 GMC Sierra 1500 DenaliCarbon Black Metallic 2020 GMC Sierra 1500 DenaliCarbon Black Metallic 2020 GMC Sierra 1500 Denali

    $41,620

    $1K
    44,351 mi.
    Est. $784/mo

    Gary Crossley Ford

    4.9
    Kansas City, MO (402 mi)
    Check Availability
  • Dark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 DenaliDark Sky Metallic 2020 GMC Sierra 1500 Denali

    $36,000

    77,805 mi.
    Est. $678/mo

    Nissan of Cool Springs

    4.6
    Franklin, TN (412 mi)
    Check Availability
  • Satin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 ElevationSatin Steel Metallic 2020 GMC Sierra 1500 Elevation

    $28,912

    95,870 mi.
    Est. $545/mo

    Nissan of Muskogee

    4.9
    Muskogee, OK (593 mi)
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  • Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4Summit White 2020 GMC Sierra 1500 AT4

    $28,550

    154,738 mi.
    Est. $538/mo

    McLarty Daniel Buick GMC

    4.6
    Bentonville, AR (519 mi)
    Check Availability
  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $35,884

    60,634 mi.
    Est. $676/mo

    Kernersville Chrysler Dodge Jeep RAM

    4.2
    Kernersville, NC (570 mi)
    Check Availability
  • Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4Onyx Black 2020 GMC Sierra 1500 AT4

    $36,344

    75,210 mi.
    Est. $685/mo

    Keffer Mazda

    4.7
    Huntersville, NC (579 mi)
    Check Availability
  • Summit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLTSummit White 2020 GMC Sierra 1500 SLT

    $29,563

    90,231 mi.
    Est. $557/mo

    AutoNation Toyota Pinellas Park

    4.9
    Pinellas Park, FL (1,009 mi)
    Check Availability
  • Red Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLTRed Quartz Tintcoat 2020 GMC Sierra 1500 SLT

    $33,725

    $1K
    35,586 mi.
    Est. $635/mo

    Five Star Ford Lewisville

    4.7
    Lewisville, TX (797 mi)
    Check Availability
  • Summit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 Elevation

    $25,540

    $300
    130,929 mi.
    Est. $481/mo

    Morrie's Forest Lake Chrysler Dodge Jeep RAM

    4.4
    Forest Lake, MN (357 mi)
    Check Availability

  • White Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 DenaliWhite Frost Tricoat 2020 GMC Sierra 1500 Denali

    $35,799

    $4.4K
    85,658 mi.
    Est. $674/mo

    Bell Honda

    4.5
    Phoenix, AZ (1,446 mi)
    Check Availability
  • Onyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 DenaliOnyx Black 2020 GMC Sierra 1500 Denali

    $36,338

    $1K
    64,014 mi.
    Est. $685/mo

    Luther Bloomington Subaru

    4.4
    Bloomington, MN (351 mi)
    Check Availability
  • Summit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 ElevationSummit White 2020 GMC Sierra 1500 Elevation

    $26,939

    $373
    96,895 mi.
    Est. $508/mo

    Jim Riehl's Friendly Chrysler-Dodge-Jeep-RAM

    4.8
    Lapeer, MI (234 mi)
    Check Availability
  • Satin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 DenaliSatin Steel Metallic 2020 GMC Sierra 1500 Denali

    $39,173

    $1K
    49,336 mi.
    Est. $738/mo

    Sands Chrysler Jeep Dodge RAM

    4.6
    Quakertown, PA (646 mi)
    Check Availability

About the 2020 GMC Sierra 1500

Basics

Base shown (base trim).

Seating
3
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
17
Transmission
6-Speed A/T
Engine
285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
Side view of the 2020 GMC Sierra 1500
FAQs

How much does the 2020 GMC Sierra 1500 cost?

The 2020 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 2020 Sierra 1500 is $32,456, with pricing starting at $13,550.

What is the MPG of the 2020 GMC Sierra 1500?

The 2020 GMC Sierra 1500 offers up to 15 MPG in city driving and 21 MPG on the highway for a combined rating of 17 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.

Is the 2020 GMC Sierra 1500 reliable?

The 2020 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 2020 Sierra 1500 owners.

Is the 2020 GMC Sierra 1500 a good truck?

Below are the Cars.com consumer ratings for the 2020 GMC Sierra 1500.

(70 reviews)
Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.9
Reliability
4.7
Ratings (70 reviews)

91% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.9
Reliability
4.7
Trims

AT4 (3 styles)

Style
4WD Double Cab 147" AT4 4WD Crew Cab 157" AT4 4WD Crew Cab 147" AT4
Inventory price
Starting at $51,300 Starting at $54,000 Starting at $53,700
Combined MPG
18 18 18
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)

Base (8 styles)

Style
4WD Crew Cab 157" 2WD Double Cab 147" 2WD Crew Cab 147" 4WD Double Cab 147" 2WD Crew Cab 157" 4WD Crew Cab 147" 4WD Reg Cab 140" 2WD Reg Cab 140"
Inventory price
Starting at $39,500 Starting at $33,500 Starting at $35,900 Starting at $36,800 Starting at $36,200 Starting at $39,200 Starting at $34,200 Starting at $29,600
Combined MPG
20 20 20 20 20 20 17 17
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) 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 (4 styles)

Style
2WD Crew Cab 157" Denali 4WD Crew Cab 147" Denali 4WD Crew Cab 157" Denali 2WD Crew Cab 147" Denali
Inventory price
Starting at $55,400 Starting at $58,600 Starting at $58,900 Starting at $55,100
Combined MPG
19 18 18 19
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) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)

Elevation (6 styles)

Style
4WD Crew Cab 157" Elevation 2WD Double Cab 147" Elevation 2WD Crew Cab 157" Elevation 2WD Crew Cab 147" Elevation 4WD Double Cab 147" Elevation 4WD Crew Cab 147" Elevation
Inventory price
Starting at $46,500 Starting at $40,500 Starting at $43,200 Starting at $42,900 Starting at $43,800 Starting at $46,200
Combined MPG
20 21 21 21 20 20
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)

SLE (6 styles)

Style
2WD Crew Cab 157" SLE 2WD Double Cab 147" SLE 4WD Double Cab 147" SLE 2WD Crew Cab 147" SLE 4WD Crew Cab 157" SLE 4WD Crew Cab 147" SLE
Inventory price
Starting at $40,700 Starting at $38,000 Starting at $41,300 Starting at $40,400 Starting at $44,000 Starting at $43,700
Combined MPG
21 21 20 20 20 20
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)

SLT (6 styles)

Style
4WD Crew Cab 147" SLT 2WD Crew Cab 147" SLT 4WD Crew Cab 157" SLT 4WD Double Cab 147" SLT 2WD Double Cab 147" SLT 2WD Crew Cab 157" SLT
Inventory price
Starting at $50,400 Starting at $46,900 Starting at $50,700 Starting at $48,000 Starting at $44,500 Starting at $47,200
Combined MPG
18 19 18 18 19 19
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) 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel)