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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

    $40,000

    134,813 mi.
    Est. $703/mo

    GMC of Riverfront Park

    4.4
    Check Availability
    Spokane, WA (10 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

    $63,995

    $1.2K
    32,689 mi.
    Est. $1,124/mo

    Camp Chevrolet

    4.7
    Check Availability
    Spokane, WA (9 mi)
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  • BLACK 2021 GMC Sierra 2500 BaseBLACK 2021 GMC Sierra 2500 BaseBLACK 2021 GMC Sierra 2500 BaseBLACK 2021 GMC Sierra 2500 BaseBLACK 2021 GMC Sierra 2500 BaseBLACK 2021 GMC Sierra 2500 Base

    $58,995

    57,160 mi.
    Est. $1,037/mo

    CAL Cars Airway

    4.4
    Check Availability
    Airway Heights, WA (14 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

    $53,198

    $200
    26,229 mi.
    Est. $935/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (29 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

    $58,998

    $2.2K
    31,854 mi.
    Est. $1,037/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (29 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

    $54,299

    $500
    67,772 mi.
    Est. $954/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (29 mi)
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  • Silver 2021 GMC Sierra 2500 SLESilver 2021 GMC Sierra 2500 SLESilver 2021 GMC Sierra 2500 SLESilver 2021 GMC Sierra 2500 SLESilver 2021 GMC Sierra 2500 SLESilver 2021 GMC Sierra 2500 SLE

    $33,245

    140,659 mi.
    Est. $584/mo

    Parkway Auto

    3.1
    Check Availability
    Deer Park, WA (11 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

    $48,999

    49,997 mi.
    Est. $861/mo

    NW Group Auto Sales

    Check Availability
    Post Falls, ID (23 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 2500 SLT

    $57,998

    34,987 mi.
    Est. $1,019/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (29 mi)
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  • Ebony Twilight Metallic 2021 GMC Sierra 2500 Denali

    $58,998

    80,281 mi.
    Est. $1,037/mo

    Dave Smith Coeur d'Alene

    3.6
    Check Availability
    Coeur d'Alene, ID (29 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

    $45,586

    112,056 mi.
    Est. $801/mo

    Extreme Chrysler Dodge Jeep RAM

    4.6
    Check Availability
    $2,464 delivery from Jackson, MI (1643 mi)
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  • Black 2021 GMC Sierra 2500 AT4Black 2021 GMC Sierra 2500 AT4Black 2021 GMC Sierra 2500 AT4Black 2021 GMC Sierra 2500 AT4Black 2021 GMC Sierra 2500 AT4Black 2021 GMC Sierra 2500 AT4

    $60,998

    42,666 mi.
    Est. $1,072/mo

    CarMax Potomac Mills

    4.3
    Check Availability
    $1,999 delivery to Spokane Valley, WA (11 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 Base

    $47,199

    38,804 mi.
    Est. $829/mo

    Northwest Motor Group

    4.5
    Check Availability
    Pasco, WA (100 mi)
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  • Quicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 BaseQuicksilver Metallic 2021 GMC Sierra 2500 Base

    $45,999

    43,020 mi.
    Est. $808/mo

    Northwest Motor Group

    4.5
    Check Availability
    Pasco, WA (100 mi)
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  • Cardinal Red 2021 GMC Sierra 2500 SLECardinal Red 2021 GMC Sierra 2500 SLECardinal Red 2021 GMC Sierra 2500 SLECardinal Red 2021 GMC Sierra 2500 SLECardinal Red 2021 GMC Sierra 2500 SLECardinal Red 2021 GMC Sierra 2500 SLE

    $36,999

    68,937 mi.
    Est. $650/mo

    Northwest Motor Group

    4.5
    Check Availability
    Pasco, WA (100 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 $83,173 2 Good 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 $51,915, with pricing starting at $22,900.

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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