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  • Black 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 DenaliBlack 2020 GMC Sierra 2500 Denali

    $42,419

    155,653 mi.
    Est. $797/mo

    Ogden Motors

    3.4
    Check Availability
    Berwyn, IL (9 mi)

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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $54,000

    $1K
    77,817 mi.
    Est. $1,015/mo

    Kelley Buick GMC of Bartow

    4.1
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    Bartow, FL (1,020 mi)

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  • Onyx Black 2020 GMC Sierra 2500 SLTOnyx Black 2020 GMC Sierra 2500 SLTOnyx Black 2020 GMC Sierra 2500 SLTOnyx Black 2020 GMC Sierra 2500 SLTOnyx Black 2020 GMC Sierra 2500 SLTOnyx Black 2020 GMC Sierra 2500 SLT

    $43,654

    89,653 mi.
    Est. $821/mo

    Texan GMC Buick

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    Humble, TX (926 mi)
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  • Quicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 Denali

    $58,999

    65,688 mi.
    Est. $1,109/mo

    Shottenkirk Honda Huntsville

    4.9
    Check Availability
    Huntsville, AL (496 mi)
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  • Onyx Black 2020 GMC Sierra 2500 SLEOnyx Black 2020 GMC Sierra 2500 SLEOnyx Black 2020 GMC Sierra 2500 SLEOnyx Black 2020 GMC Sierra 2500 SLEOnyx Black 2020 GMC Sierra 2500 SLEOnyx Black 2020 GMC Sierra 2500 SLE

    $37,485

    107,537 mi.
    Est. $705/mo

    Ira Toyota Saco

    4.5
    Check Availability
    Saco, ME (880 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $50,412

    $1.5K
    79,859 mi.
    Est. $948/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    Gurnee, IL (38 mi)
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  • White Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali UltimateWhite Frost Tricoat 2020 GMC Sierra 2500 Denali Ultimate

    $55,498

    52,090 mi.
    Est. $1,043/mo

    Toyota of Richardson

    4.7
    Check Availability
    Richardson, TX (792 mi)
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  • White 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 Denali

    $46,995

    108,000 mi.
    Est. $883/mo

    Discovery Auto Group

    Check Availability
    Grand Junction, CO (1,116 mi)

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  • Summit White 2020 GMC Sierra 2500 AT4Summit White 2020 GMC Sierra 2500 AT4Summit White 2020 GMC Sierra 2500 AT4Summit White 2020 GMC Sierra 2500 AT4Summit White 2020 GMC Sierra 2500 AT4Summit White 2020 GMC Sierra 2500 AT4

    $49,998

    91,769 mi.
    Est. $940/mo

    Heyward Allen Toyota

    4.7
    Check Availability
    Athens, GA (594 mi)
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  • Summit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 Denali

    $56,218

    78,326 mi.
    Est. $1,057/mo

    Emmons Autoplex

    4.5
    Check Availability
    Webster, TX (951 mi)
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  • Dark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 DenaliDark Sky Metallic 2020 GMC Sierra 2500 Denali

    $50,795

    84,150 mi.
    Est. $955/mo

    HGreg.com Orlando

    4.5
    Check Availability
    Orlando, FL (994 mi)
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  • White Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 DenaliWhite Frost Tricoat 2020 GMC Sierra 2500 Denali

    $53,748

    52,486 mi.
    Est. $1,010/mo

    Bell Road Mitsubishi

    4.4
    Check Availability
    Phoenix, AZ (1,444 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $48,346

    $1K
    70,378 mi.
    Est. $909/mo

    Luther Brookdale Chevrolet

    4.5
    Check Availability
    BROOKLYN CENTER, MN (361 mi)
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  • Onyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 DenaliOnyx Black 2020 GMC Sierra 2500 Denali

    $47,572

    161,949 mi.
    Est. $894/mo

    Vann York Chevrolet Buick GMC

    3.8
    Check Availability
    High Point, NC (578 mi)

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  • Quicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 DenaliQuicksilver Metallic 2020 GMC Sierra 2500 Denali

    $61,995

    15,583 mi.
    Est. $1,165/mo

    Koons Tysons Toyota

    4.7
    Check Availability
    Vienna, VA (584 mi)
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  • Brownstone Metallic 2020 GMC Sierra 2500 SLEBrownstone Metallic 2020 GMC Sierra 2500 SLEBrownstone Metallic 2020 GMC Sierra 2500 SLEBrownstone Metallic 2020 GMC Sierra 2500 SLEBrownstone Metallic 2020 GMC Sierra 2500 SLEBrownstone Metallic 2020 GMC Sierra 2500 SLE

    $29,156

    $6.6K
    101,482 mi.
    Est. $548/mo

    Green Ford - NC

    4.3
    Check Availability
    Greensboro, NC (579 mi)
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  • Summit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 Denali

    $59,993

    46,577 mi.
    Est. $1,128/mo

    Gresham Chrysler Dodge Jeep Ram

    4.6
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    Gresham, OR (1,742 mi)
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  • Onyx Black 2020 GMC Sierra 2500 AT4Onyx Black 2020 GMC Sierra 2500 AT4Onyx Black 2020 GMC Sierra 2500 AT4Onyx Black 2020 GMC Sierra 2500 AT4Onyx Black 2020 GMC Sierra 2500 AT4Onyx Black 2020 GMC Sierra 2500 AT4

    $52,699

    $243
    57,479 mi.
    Est. $991/mo

    Suburban Chrysler Dodge Jeep RAM of Farmington Hills

    4.5
    Check Availability
    Farmington Hills, MI (220 mi)
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  • Summit White 2020 GMC Sierra 2500 SLTSummit White 2020 GMC Sierra 2500 SLTSummit White 2020 GMC Sierra 2500 SLTSummit White 2020 GMC Sierra 2500 SLTSummit White 2020 GMC Sierra 2500 SLTSummit White 2020 GMC Sierra 2500 SLT

    $52,599

    47,270 mi.
    Est. $989/mo

    Peterson Chrysler Dodge Jeep Ram

    4.1
    Check Availability
    Nampa, ID (1,463 mi)
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  • Gray 2020 GMC Sierra 2500 DenaliGray 2020 GMC Sierra 2500 DenaliGray 2020 GMC Sierra 2500 DenaliGray 2020 GMC Sierra 2500 DenaliGray 2020 GMC Sierra 2500 DenaliGray 2020 GMC Sierra 2500 Denali

    $52,047

    84,961 mi.
    Est. $978/mo

    Champion Chevrolet GMC

    4.7
    Check Availability
    La Grange, KY (269 mi)

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  • Summit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 DenaliSummit White 2020 GMC Sierra 2500 Denali

    $47,975

    105,964 mi.
    Est. $902/mo

    BMW of Cape Cod

    4.5
    Check Availability
    Hyannis, MA (894 mi)
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  • White 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 DenaliWhite 2020 GMC Sierra 2500 Denali

    $61,376

    23,967 mi.
    Est. $1,154/mo

    DeHaven Chevrolet

    4.6
    Check Availability
    Fort Wayne, IN (138 mi)
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  • Carbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 DenaliCarbon Black Metallic 2020 GMC Sierra 2500 Denali

    $59,499

    66,876 mi.
    Est. $1,118/mo

    Heritage Buick GMC

    4.6
    Check Availability
    Rockwall, TX (786 mi)
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  • Red Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 DenaliRed Quartz Tintcoat 2020 GMC Sierra 2500 Denali

    $55,000

    97,217 mi.
    Est. $1,034/mo

    Beaver Toyota Cumming

    4.7
    Check Availability
    Cumming, GA (567 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 $83,725 55 Great deals
2025 GMC Sierra 2500 $73,127 205 Great deals
2024 GMC Sierra 2500 $69,314 433 Great deals
2023 GMC Sierra 2500 $55,797 100 Great deals
2022 GMC Sierra 2500 $53,113 113 Great deals
2021 GMC Sierra 2500 $52,296 81 Great deals
2019 GMC Sierra 2500 $42,043 38 Great deals
2018 GMC Sierra 2500 $39,798 37 Great deals
2017 GMC Sierra 2500 $36,067 18 Great deals

About the 2020 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 2020 GMC Sierra 2500
FAQs

How much does the 2020 GMC Sierra 2500 cost?

The 2020 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 2020 Sierra 2500 is $50,739, with pricing starting at $26,563.

What are some similar vehicles and competitors of the 2020 GMC Sierra 2500?

The 2020 GMC Sierra 2500 compares to and/or competes against the following vehicles:


Is the 2020 GMC Sierra 2500 reliable?

The 2020 GMC Sierra 2500 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 2500 owners.

Is the 2020 GMC Sierra 2500 a good truck?

Below are the Cars.com consumer ratings for the 2020 GMC Sierra 2500.

(23 reviews)
Rating breakdown (out of 5):
Comfort
4.9
Interior
4.9
Performance
4.8
Value
4.5
Exterior
4.9
Reliability
4.7
Ratings (23 reviews)

91% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.9
Interior
4.9
Performance
4.8
Value
4.5
Exterior
4.9
Reliability
4.7
Trims

AT4 (2 styles)

Style
4WD Crew Cab 172" AT4 4WD Crew Cab 159" AT4
Inventory price
Starting at $58,500 Starting at $58,300
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 Double Cab 162" 4WD Crew Cab 159" 2WD Crew Cab 172" 4WD Double Cab 149" 4WD Crew Cab 172" 2WD Double Cab 162" 2WD Crew Cab 159" 2WD Double Cab 149" 4WD Reg Cab 142" 2WD Reg Cab 142"
Inventory price
Starting at $41,400 Starting at $43,000 Starting at $40,400 Starting at $41,200 Starting at $43,200 Starting at $38,600 Starting at $40,200 Starting at $38,400 Starting at $38,600 Starting at $35,800
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 159" Denali 4WD Crew Cab 172" Denali
Inventory price
Starting at $64,300 Starting at $64,500
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 2WD Crew Cab 159" SLE 4WD Double Cab 162" SLE 4WD Crew Cab 159" SLE 2WD Double Cab 162" SLE 4WD Double Cab 149" SLE 2WD Double Cab 149" SLE 4WD Crew Cab 172" SLE
Inventory price
Starting at $43,200 Starting at $40,400 Starting at $44,400 Starting at $44,200 Starting at $45,400 Starting at $47,000 Starting at $42,600 Starting at $45,200 Starting at $42,400 Starting at $47,200
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
2WD Double Cab 149" SLT 4WD Double Cab 149" SLT 4WD Crew Cab 172" SLT 4WD Double Cab 162" SLT 2WD Crew Cab 172" SLT 2WD Double Cab 162" SLT 2WD Crew Cab 159" SLT 4WD Crew Cab 159" SLT
Inventory price
Starting at $51,000 Starting at $53,800 Starting at $55,800 Starting at $54,000 Starting at $53,000 Starting at $51,200 Starting at $52,800 Starting at $55,600
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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