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  • White Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 Denali

    $54,805

    75,981 mi.
    Est. $1,030/mo

    Circle Buick GMC

    3.4
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    Highland, IN (26 mi)

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  • Onyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLE

    $43,802

    $591
    42,095 mi.
    Est. $823/mo

    Van Horn Ford of Sheboygan

    4.8
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    Sheboygan, WI (130 mi)

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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $59,988

    70,823 mi.
    Est. $1,128/mo

    Bob Hook Chevrolet

    4.9
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    Louisville, KY (277 mi)
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  • Hunter Green 2021 GMC Sierra 2500 DenaliHunter Green 2021 GMC Sierra 2500 DenaliHunter Green 2021 GMC Sierra 2500 DenaliHunter Green 2021 GMC Sierra 2500 DenaliHunter Green 2021 GMC Sierra 2500 DenaliHunter Green 2021 GMC Sierra 2500 Denali

    $61,789

    $326
    38,675 mi.
    Est. $1,161/mo

    Conley Buick GMC

    3.1
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    Bradenton, FL (1,037 mi)
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  • Carbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 Denali

    $54,900

    104,098 mi.
    Est. $1,032/mo

    Mandal Buick GMC Inc.

    4.6
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    D'lberville, MS (793 mi)
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  • Summit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 DenaliSummit White 2021 GMC Sierra 2500 Denali

    $48,689

    139,502 mi.
    Est. $915/mo

    Impex Auto Sales

    4.8
    Check Availability
    Greensboro, NC (583 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLT

    $50,991

    71,056 mi.
    Est. $958/mo

    Lexus of Jacksonville

    4.8
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    Jacksonville, FL (868 mi)
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  • Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4

    $55,990

    88,572 mi.
    Est. $1,052/mo

    Southern Buick GMC Greenbrier

    3.9
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    Chesapeake, VA (703 mi)

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  • Pacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 DenaliPacific Blue Metallic 2021 GMC Sierra 2500 Denali

    $49,990

    105,323 mi.
    Est. $940/mo

    West Metro Buick GMC

    5.0
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    Monticello, MN (389 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 Denali

    $60,984

    $2K
    36,095 mi.
    Est. $1,146/mo

    Findlay Honda Henderson

    4.7
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    Henderson, NV (1,519 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $56,481

    88,128 mi.
    Est. $1,062/mo

    Sloane Toyota of Malvern

    4.9
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    Malvern, PA (642 mi)
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  • Onyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 DenaliOnyx Black 2021 GMC Sierra 2500 Denali

    $58,399

    $2K
    43,215 mi.
    Est. $1,098/mo

    Rountree Moore Chevrolet

    4.6
    Check Availability
    Lake City, FL (854 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLTEbony Twilight Metallic 2021 GMC Sierra 2500 SLT

    $51,495

    52,512 mi.
    Est. $968/mo

    Lester Glenn Chevrolet

    4.9
    Check Availability
    Toms River, NJ (715 mi)
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  • Brownstone Metallic 2021 GMC Sierra 2500 AT4Brownstone Metallic 2021 GMC Sierra 2500 AT4Brownstone Metallic 2021 GMC Sierra 2500 AT4Brownstone Metallic 2021 GMC Sierra 2500 AT4Brownstone Metallic 2021 GMC Sierra 2500 AT4Brownstone Metallic 2021 GMC Sierra 2500 AT4

    $51,338

    $500
    93,061 mi.
    Est. $965/mo

    Freeman Buick GMC

    3.2
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    Grapevine, TX (807 mi)

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  • Onyx Black 2021 GMC Sierra 2500 AT4Onyx Black 2021 GMC Sierra 2500 AT4Onyx Black 2021 GMC Sierra 2500 AT4Onyx Black 2021 GMC Sierra 2500 AT4Onyx Black 2021 GMC Sierra 2500 AT4Onyx Black 2021 GMC Sierra 2500 AT4

    $48,991

    $1K
    83,951 mi.
    Est. $921/mo

    Quebedeaux Buick GMC

    4.5
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    Tucson, AZ (1,440 mi)
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  • Summit White 2021 GMC Sierra 2500 BaseSummit White 2021 GMC Sierra 2500 BaseSummit White 2021 GMC Sierra 2500 BaseSummit White 2021 GMC Sierra 2500 BaseSummit White 2021 GMC Sierra 2500 BaseSummit White 2021 GMC Sierra 2500 Base

    $23,695

    $200
    195,087 mi.
    Est. $445/mo

    Cowboy Dodge Chrysler Jeep RAM

    4.8
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    Cheyenne, WY (889 mi)
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  • Summit White 2021 GMC Sierra 2500 SLTSummit White 2021 GMC Sierra 2500 SLTSummit White 2021 GMC Sierra 2500 SLTSummit White 2021 GMC Sierra 2500 SLTSummit White 2021 GMC Sierra 2500 SLTSummit White 2021 GMC Sierra 2500 SLT

    $49,500

    $400
    81,398 mi.
    Est. $930/mo

    Bob Howard Chevrolet

    4.5
    Check Availability
    Oklahoma City, OK (686 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 DenaliQuicksilver Metallic 2021 GMC Sierra 2500 Denali

    $67,877

    21,771 mi.
    Est. $1,276/mo

    Kelley Auto Mall of Decatur

    4.6
    Check Availability
    Decatur, IN (159 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 DenaliEbony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $56,800

    $1.1K
    79,040 mi.
    Est. $1,068/mo

    Midway Chevrolet

    4.7
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    Phoenix, AZ (1,447 mi)
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  • Onyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLE

    $38,995

    $230
    150,091 mi.
    Est. $733/mo

    Richardson Chevrolet Standish

    4.9
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    Standish, MI (237 mi)

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  • Pacific Blue Metallic 2021 GMC Sierra 2500 AT4Pacific Blue Metallic 2021 GMC Sierra 2500 AT4Pacific Blue Metallic 2021 GMC Sierra 2500 AT4Pacific Blue Metallic 2021 GMC Sierra 2500 AT4Pacific Blue Metallic 2021 GMC Sierra 2500 AT4Pacific Blue Metallic 2021 GMC Sierra 2500 AT4

    $56,000

    77,790 mi.
    Est. $1,053/mo

    Zimbrick Hyundai Eastside

    4.8
    Check Availability
    Madison, WI (121 mi)
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  • White 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 DenaliWhite 2021 GMC Sierra 2500 Denali

    $55,919

    $464
    72,704 mi.
    Est. $1,051/mo

    Ron Tonkin Kia

    4.6
    Check Availability
    Gladstone, OR (1,752 mi)
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  • Onyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLEOnyx Black 2021 GMC Sierra 2500 SLE

    $42,000

    $1K
    62,495 mi.
    Est. $789/mo

    Handy Toyota Inc

    4.7
    Check Availability
    St Albans, VT (759 mi)
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  • Summit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali UltimateSummit White 2021 GMC Sierra 2500 Denali Ultimate

    $65,988

    $3.4K
    22,201 mi.
    Est. $1,240/mo

    Auto Web Expo

    4.6
    Check Availability
    Plano, TX (796 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 2500 SLEPacific Blue Metallic 2021 GMC Sierra 2500 SLEPacific Blue Metallic 2021 GMC Sierra 2500 SLEPacific Blue Metallic 2021 GMC Sierra 2500 SLEPacific Blue Metallic 2021 GMC Sierra 2500 SLEPacific Blue Metallic 2021 GMC Sierra 2500 SLE

    $42,592

    $999
    59,190 mi.
    Est. $801/mo

    Spitzer Toyota

    4.7
    Check Availability
    Monroeville, PA (423 mi)
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  • Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4Summit White 2021 GMC Sierra 2500 AT4

    $58,950

    68,080 mi.
    Est. $1,108/mo

    Hardy Chevrolet Gainesville

    4.8
    Check Availability
    Gainesville, GA (564 mi)

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  • Carbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 DenaliCarbon Black Metallic 2021 GMC Sierra 2500 Denali

    $57,970

    46,986 mi.
    Est. $1,090/mo

    ALM Kennesaw

    4.4
    Check Availability
    Kennesaw, GA (569 mi)
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  • White Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 DenaliWhite Frost Tri-Coat 2021 GMC Sierra 2500 Denali

    $65,377

    $1K
    31,442 mi.
    Est. $1,229/mo

    Huffines Chevrolet Lewisville

    4.9
    Check Availability
    Lewisville, TX (798 mi)
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  • Onyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali UltimateOnyx Black 2021 GMC Sierra 2500 Denali Ultimate

    $56,991

    $1K
    41,324 mi.
    Est. $1,071/mo

    St Charles Chrysler Dodge Jeep RAM

    4.0
    Check Availability
    Saint Charles, IL (34 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 2500 SLTPacific Blue Metallic 2021 GMC Sierra 2500 SLTPacific Blue Metallic 2021 GMC Sierra 2500 SLTPacific Blue Metallic 2021 GMC Sierra 2500 SLTPacific Blue Metallic 2021 GMC Sierra 2500 SLTPacific Blue Metallic 2021 GMC Sierra 2500 SLT

    $44,432

    $577
    114,867 mi.
    Est. $835/mo

    Chevrolet Buick GMC of Millersburg

    4.5
    Check Availability
    Millersburg, OH (313 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 $82,878 33 Great deals
2025 GMC Sierra 2500 $72,989 135 Great deals
2024 GMC Sierra 2500 $69,279 203 Great deals
2023 GMC Sierra 2500 $55,810 79 Great deals
2022 GMC Sierra 2500 $53,353 111 Great deals
2020 GMC Sierra 2500 $68,139 54 Great deals
2019 GMC Sierra 2500 $38,569 15 Great deals
2018 GMC Sierra 2500 $40,124 33 Great deals
2017 GMC Sierra 2500 $35,851 20 Great deals

About the 2021 GMC Sierra 2500

Basics

Base shown (base trim).

Seating
3
Door count
2
Drivetrain
Rear-wheel drive
Combined MPG
0
Transmission
6-Speed A/T
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
Side view of the 2021 GMC Sierra 2500
FAQs

How much does the 2021 GMC Sierra 2500 cost?

The 2021 GMC Sierra 2500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Sierra 2500 is $51,539, with pricing starting at $22,900.

What are some similar vehicles and competitors of the 2021 GMC Sierra 2500?

The 2021 GMC Sierra 2500 compares to and/or competes against the following vehicles:


Is the 2021 GMC Sierra 2500 reliable?

The 2021 GMC Sierra 2500 has an average reliability rating of 4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Sierra 2500 owners.

Is the 2021 GMC Sierra 2500 a good truck?

Below are the Cars.com consumer ratings for the 2021 GMC Sierra 2500.

(29 reviews)
Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.3
Value
3.9
Exterior
4.6
Reliability
4.0
Ratings (29 reviews)

75% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.3
Value
3.9
Exterior
4.6
Reliability
4.0
Trims

AT4 (2 styles)

Style
4WD Crew Cab 172" AT4 4WD Crew Cab 159" AT4
Inventory price
Starting at $59,300 Starting at $59,100
Combined MPG
0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Base (10 styles)

Style
4WD Crew Cab 159" 2WD Crew Cab 172" 4WD Crew Cab 172" 2WD Crew Cab 159" 2WD Double Cab 162" 4WD Double Cab 162" 4WD Double Cab 149" 2WD Double Cab 149" 2WD Reg Cab 142" 4WD Reg Cab 142"
Inventory price
Starting at $43,400 Starting at $40,800 Starting at $43,600 Starting at $40,600 Starting at $39,000 Starting at $41,800 Starting at $41,600 Starting at $38,800 Starting at $36,200 Starting at $39,000
Combined MPG
0 0 0 0 0 0 0 0 0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

Denali (2 styles)

Style
4WD Crew Cab 172" Denali 4WD Crew Cab 159" Denali
Inventory price
Starting at $65,700 Starting at $65,500
Combined MPG
0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLE (10 styles)

Style
4WD Reg Cab 142" SLE 2WD Reg Cab 142" SLE 2WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE 2WD Crew Cab 159" SLE 4WD Crew Cab 172" SLE 2WD Double Cab 162" SLE 2WD Double Cab 149" SLE 4WD Double Cab 149" SLE 4WD Double Cab 162" SLE
Inventory price
Starting at $44,400 Starting at $41,600 Starting at $45,600 Starting at $48,200 Starting at $45,400 Starting at $48,400 Starting at $43,800 Starting at $43,600 Starting at $46,400 Starting at $46,600
Combined MPG
0 0 0 0 0 0 0 0 0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)

SLT (8 styles)

Style
4WD Double Cab 162" SLT 2WD Double Cab 149" SLT 2WD Double Cab 162" SLT 4WD Double Cab 149" SLT 4WD Crew Cab 159" SLT 2WD Crew Cab 159" SLT 2WD Crew Cab 172" SLT 4WD Crew Cab 172" SLT
Inventory price
Starting at $54,600 Starting at $51,600 Starting at $51,800 Starting at $54,400 Starting at $56,200 Starting at $53,400 Starting at $53,600 Starting at $56,400
Combined MPG
0 0 0 0 0 0 0 0
Engine
445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
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