2020
GMC Sierra 2500
Starts at:
$53,000

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The good & the bad
Available cars near you
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$57,9906 mi away
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$33,9816 mi away
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$33,878 $122 price drop12 mi away
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$59,90024 mi away
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$45,98031 mi away
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$58,000 $500 price drop42 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.
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2020GMC Sierra 2500Starts at$35,8003Seat capacityGas V8EngineRear-wheel driveDrivetrain4,048 lbsPayload Capacity18,500 lbsTowing Capacity
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2021GMC Sierra 2500Starts at$36,2003Seat capacityGas V8EngineRear-wheel driveDrivetrain3,848 lbsPayload Capacity18,500 lbsTowing Capacity
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2019Chevrolet Silverado 2500Starts at$37,6006Seat capacityGas/Ethanol V8EngineRear-wheel driveDrivetrain3,158 lbsPayload Capacity13,000 lbsTowing Capacity
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2021GMC Sierra 3500Starts at$37,4002Seat capacityGas V8EngineRear-wheel driveDrivetrain4,304 lbsPayload Capacity20,000 lbsTowing Capacity
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Most recent
2020 GMC 2500 AT4
This truck is the truck that all others should look up to.
It rides great, will tow a house, runs smooth, and gets great fuel economy. The Allison transmission is so smooth.
The AT4 looks great too.
- Purchased a New car
- Used for Having fun
- Does recommend this car
Best truck I've owned yet
What a gorgeous truck, runs good, sounds good and has all of the amenities I need although I am looking forward to their next interior upgrade.
- Purchased a New car
- Used for Commuting
- Does recommend this car
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GM is recalling approximately 624,200 Chevrolet and GMC vehicles for an issue with a front-seat seat belt bracket.
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FAQ
What trim levels are available for the 2020 GMC Sierra 2500?
The 2020 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 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 GMC Sierra 2500 owners.
Is the 2020 GMC Sierra 2500 a good Truck?
Below are the cars.com consumers ratings for the 2020 GMC Sierra 2500. 91.3% of drivers recommend this vehicle.
- Comfort: 4.9
- Interior: 4.9
- Performance: 4.8
- Value: 4.5
- Exterior: 4.9
- Reliability: 4.7
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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