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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

    $50,998

    79,460 mi.
    Est. $941/mo

    CarMax Pharr

    4.8
    Check Availability
    $249 delivery to Killeen, TX (18 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

    $48,998

    47,810 mi.
    Est. $904/mo

    HGreg.com Houston

    3.5
    Check Availability
    $150 delivery from Houston, TX (149 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

    $48,504

    $222
    121,790 mi.
    Est. $895/mo

    Covert Hutto

    4.0
    Check Availability
    Hutto, TX (40 mi)
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  • $59,991

    66,181 mi.
    Est. $1,107/mo

    Toyota of Cedar Park

    3.2
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    Cedar Park, TX (46 mi)
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  • Pacific Blue Metallic 2021 GMC Sierra 2500 Denali

    $46,727

    140,925 mi.
    Est. $862/mo

    AutoNation USA Austin

    4.2
    Check Availability
    Austin, TX (47 mi)
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GMC Sierra 2500 prices by year

Model year Average price Deals
2026 GMC Sierra 2500 $87,716

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 $340,161, with pricing starting at $22,995.

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
2WD Double Cab 162" 4WD Double Cab 162" 4WD Double Cab 149" 2WD Double Cab 149" 4WD Crew Cab 159" 2WD Crew Cab 172" 4WD Crew Cab 172" 2WD Crew Cab 159" 2WD Reg Cab 142" 4WD Reg Cab 142"
Inventory price
Starting at $39,000 Starting at $41,800 Starting at $41,600 Starting at $38,800 Starting at $43,400 Starting at $40,800 Starting at $43,600 Starting at $40,600 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
2WD Crew Cab 172" SLE 4WD Crew Cab 159" SLE 2WD Crew Cab 159" SLE 4WD Crew Cab 172" SLE 4WD Reg Cab 142" SLE 2WD Reg Cab 142" 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 $45,600 Starting at $48,200 Starting at $45,400 Starting at $48,400 Starting at $44,400 Starting at $41,600 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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