2012
GMC Sierra 3500
Starts at:
$43,860

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Notable features
Luxurious Denali trim level
New hard-drive-based navigation radio available
Standard trailer-sway control and hill start assist
Available in hybrid form
The good & the bad
The good
Overall range of power, looks, utility and comfort
Excellent towing manners, plenty of pulling power
Standard side curtain, side-impact airbags
Available 6.2-liter V-8
The bad
6.2-liter V-8 fuel economy
Factory warranties
New car program benefits
Basic
3 years / 36,000 miles
Corrosion
3 years / 36,000 miles
Powertrain
5 years / 100,000 miles
Roadside Assistance
5 years / 100,000 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
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Most recent
Excellent vehicle. Very comfortabe and reliable
This vehicle fits all my needs. Powerful enough to pull my 32 ft travel trailer - excellent powerful engine and engine brakes kicking in on downhill slopes
- Purchased a Used car
- Used for Towing
- Does recommend this car
Powerful, Comfortable Towing Monster
This is the most comfortable heavy duty pick up I've ever ridden in. Amazing mileage(20mpg) Highway unloaded, 15 city; from a 1 Ton dually ! Handles very well , Quiet, great visibility even when backing up. Super Reliable! Can tow 22000 lbs in fifth wheel towing configuration!
- Purchased a Used car
- Used for Towing
- Does recommend this car
GMC dealers near you
FAQ
What trim levels are available for the 2012 GMC Sierra 3500?
The 2012 GMC Sierra 3500 is available in 8 trim levels:
- Denali (2 styles)
- SLE (6 styles)
- SLT (4 styles)
- SRW Denali (2 styles)
- SRW SLE (2 styles)
- SRW SLT (2 styles)
- SRW Work Truck (2 styles)
- Work Truck (6 styles)
What are some similar vehicles and competitors of the 2012 GMC Sierra 3500?
The 2012 GMC Sierra 3500 compares to and/or competes against the following vehicles:
Is the 2012 GMC Sierra 3500 reliable?
The 2012 GMC Sierra 3500 has an average reliability rating of 5.0 out of 5 according to cars.com consumers. Find real-world reliability insights within consumer reviews from 2012 GMC Sierra 3500 owners.
Is the 2012 GMC Sierra 3500 a good Truck?
Below are the cars.com consumers ratings for the 2012 GMC Sierra 3500. 100.0% of drivers recommend this vehicle.
- Comfort: 4.8
- Interior: 4.5
- Performance: 5.0
- Value: 4.7
- Exterior: 4.7
- Reliability: 5.0
GMC Sierra 3500 history
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2025 GMC Sierra 3500 -
2024 GMC Sierra 3500 -
2023 GMC Sierra 3500 -
2022 GMC Sierra 3500 -
2021 GMC Sierra 3500 -
2020 GMC Sierra 3500 -
2019 GMC Sierra 3500 -
2018 GMC Sierra 3500
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