2021
GMC Sierra 2500
Starts at:
$36,200
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$78,21032 mi away -
$64,99983 mi away -
$40,295 $201 price drop95 mi away -
$56,088142 mi away
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$56,391 $540 price drop143 mi away
Photo & video gallery
The good & the bad
Available cars near you
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$78,21032 mi away
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$64,99983 mi away
-
$40,295 $201 price drop95 mi away
-
$56,088142 mi away
-
$56,391 $540 price drop143 mi away
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$42,990146 mi away
Factory warranties
New car program benefits
Basic
3 years / 36,000 miles
Corrosion
3 years / 36,000 miles
Powertrain
5 years / 60,000 miles
Roadside Assistance
5 years / 60,000 miles
Certified Pre-Owned program benefits
Age / mileage
5 model years or newer / up to 75,000 miles
Basic
12 months / 12,000 miles bumper-to-bumper original warranty, then may continue to 6 years / 100,000 miles limited (depending on variables)
Dealer certification
172-point inspection
Compare similar vehicles
Select cars to compare for more detailed info.
-
2021GMC Sierra 2500Starts at$36,200
3Seat capacityGas V8EngineRear-wheel driveDrivetrain3,976 lbsPayload Capacity14,500 lbsTowing CapacityCompare -
2023GMC Sierra 2500Starts at$42,200
3Seat capacityGas V8EngineRear-wheel driveDrivetrain3,993 lbsPayload Capacity18,500 lbsTowing CapacityCompare -
2020GMC Sierra 3500Starts at$37,000
2Seat capacityGas V8EngineRear-wheel driveDrivetrain4,328 lbsPayload Capacity20,000 lbsTowing CapacityCompare -
2024Chevrolet Silverado 2500Starts at$44,400
3Seat capacityGas V8EngineRear-wheel driveDrivetrain4,055 lbsPayload Capacity20,000 lbsTowing CapacityCompare
Most recent
This thing has been a nightmare since we bought it.
This thing has been a nightmare since we bought it. We purchased it used in 24 with 100k miles. A few months later it blew a head gasket and had to have a new engine put in. Since then it's been chasing down intermittent, random check engine codes and losing coolant to which we can't find the source of. The multipro tailgate
- Purchased a Used car
- Used for Transporting family
- Does not recommend this car
Beautiful truck
I love my 2021 GMC Denali 2500HD. I have gotten more complements on this truck than any other vehicle that I have owned. I get great highway fuel milage average 19-26mpg,which is great for a heavy duty truck!
- Purchased a New car
- Used for Having fun
- Does recommend this car
Latest news from cars.com
Featured
462,000 GM Diesel Trucks, SUVs Recalled for Transmission Issue
Another major GM recall affecting diesel-equipped pickup trucks and SUVs involves a transmission control valve that may fail.
Read more
Chevrolet Silverado, GMC Sierra HDs Recalled Over Tailgates
A recall for more than 323,200 Chevrolet Silverado and GMC Sierra HD pickups is out over the risk of unwanted tailgate openings.
Seat Belt Issue Prompts Recall of 624,200 GM Vehicles
GM is recalling approximately 624,200 Chevrolet and GMC vehicles for an issue with a front-seat seat belt bracket.
GMC dealers near you
FAQ
What trim levels are available for the 2021 GMC Sierra 2500?
The 2021 GMC Sierra 2500 is available in 5 trim levels:
- (10 styles)
- AT4 (2 styles)
- Denali (2 styles)
- SLE (10 styles)
- SLT (8 styles)
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 4.1 out of 5 according to cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 GMC Sierra 2500 owners.
Is the 2021 GMC Sierra 2500 a good Truck?
Below are the cars.com consumers ratings for the 2021 GMC Sierra 2500. 78.6% of drivers recommend this vehicle.
- Comfort: 4.8
- Interior: 4.6
- Performance: 4.4
- Value: 4.0
- Exterior: 4.6
- Reliability: 4.1
GMC Sierra 2500 history
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2025 GMC Sierra 2500 -
2024 GMC Sierra 2500 -
2023 GMC Sierra 2500 -
2022 GMC Sierra 2500 -
2021 GMC Sierra 2500 -
2020 GMC Sierra 2500 -
2019 GMC Sierra 2500 -
2018 GMC Sierra 2500
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