
Used 2020 GMCSierra 2500 HD SLT Truck Engine: V8 DuraMax Diesel, Turbo
- Diesel
- Exterior Color
- Pacific Blue Metallic
- Interior Color
- JET BLACK, PERFORATED LEATHER-APPOINTED FRONT SEAT
- Odometer
- 120,488 miles
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- Engine: 6.6L V8 DuraMax Diesel, Turbo
- VIN
- 1GT49NEY4LF134305
- Stock Number
- 204305
GMC
Sierra 2500 HD
Included Packages & Accessories
Detailed Specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 36 gal
- Horsepower: 445
Dealer Notes
Experience the ultimate in power, capability, and comfort with this stunning 2020 GMC Sierra 2500HD SLT. Boasting a robust Duramax 6.6L V8 Turbodiesel engine, this heavy-duty pickup delivers an impressive 445 horsepower and an astounding 910 lb-ft of torque, ensuring you can tackle any job with ease.
Highlighted features include:
Duramax 6.6L V8 Turbodiesel engine
SLT Convenience Package
SLT Preferred Package
Snow Plow Prep/Camper Package
Bose Premium Audio System
Wireless Charging
Heated and Ventilated Front Seats
Heated Steering Wheel
Power Sliding Rear Window
Integrated Trailer Brake Controller
This Sierra 2500HD SLT is more than just a workhorse; it's a premium-quality vehicle designed to elevate your driving experience. The spacious and well-appointed cabin features luxurious perforated leather-appointed seating, dual-zone automatic climate control, and a state-of-the-art infotainment system with navigation and wireless charging. The SLT Convenience Package adds even more comfort and convenience features, including a rear sliding power window, universal home remote, and heated rear seats.
Whether you're tackling tough jobs on the job site or enjoying a weekend getaway, this Sierra 2500HD SLT is up to the task. The Snow Plow Prep/Camper Package ensures you're ready for any winter weather, while the integrated trailer brake controller and in-vehicle trailering system app make towing a breeze.
Blending exceptional power, advanced technology, and premium comfort, this 2020 GMC Sierra 2500HD SLT is the ultimate heavy-duty pickup. Experience the difference for yourself and schedule a test drive today. We're confident you'll be impressed by the uncompromising capabilities and refined driving dynamics of this exceptional vehicle.
Highlighted features include:
Duramax 6.6L V8 Turbodiesel engine
SLT Convenience Package
SLT Preferred Package
Snow Plow Prep/Camper Package
Bose Premium Audio System
Wireless Charging
Heated and Ventilated Front Seats
Heated Steering Wheel
Power Sliding Rear Window
Integrated Trailer Brake Controller
This Sierra 2500HD SLT is more than just a workhorse; it's a premium-quality vehicle designed to elevate your driving experience. The spacious and well-appointed cabin features luxurious perforated leather-appointed seating, dual-zone automatic climate control, and a state-of-the-art infotainment system with navigation and wireless charging. The SLT Convenience Package adds even more comfort and convenience features, including a rear sliding power window, universal home remote, and heated rear seats.
Whether you're tackling tough jobs on the job site or enjoying a weekend getaway, this Sierra 2500HD SLT is up to the task. The Snow Plow Prep/Camper Package ensures you're ready for any winter weather, while the integrated trailer brake controller and in-vehicle trailering system app make towing a breeze.
Blending exceptional power, advanced technology, and premium comfort, this 2020 GMC Sierra 2500HD SLT is the ultimate heavy-duty pickup. Experience the difference for yourself and schedule a test drive today. We're confident you'll be impressed by the uncompromising capabilities and refined driving dynamics of this exceptional vehicle.
KBB.com Consumer Reviews

Overall3.8Out of 5
- 2.0
Transmission trash
By Jason | on Monday, April 07, 2025
Bought a 2023 GMC Duramax diesel Sierra SLT had it for two years hit 50,000 miles. The throttlebody broke went in for service. Got it back three weeks at 62,000 miles now my transmission is slipping. I travel back-and-forth from South Carolina to North Carolina for work daughter’s truck would be my forever truck. What a joke Hundred thousand dollar truck junk… - 3.0
Infotainment system unreliable!
By Brian C | on Friday, June 27, 2025
The servicing dealer has been great, the GM engineers not so much! The truck will without warning have no sound for the radio and the blinkers. GM told the dealership to reprogram then when that didn't work they said replace the amplifier and when that didn't work, they said replace a module, and when that didn't work they said to replace the amplifier again, and when that didn't work they said we know it's a known problem but we don't know how to fix it. All of this with less than 9k miles. The dealer has done everything that GM has asked them to do, but none of it works. It's very frustrating to pay this much for a truck and you can't get the radio to stay working. It also got away from the factory with paint damage and a dent in the hood,( the dent is from the inside out on a double wall). I thought I was upgrading when I went from a F250 Lariat to a Denali, but I may have traded one headache for another.… - 5.0
Fantastic truck
By Jjj | on Sunday, November 07, 2021
This one of the most solid vehicles that I have ever driven! The 401 hp engine is more than enough power and the transmission is smooth! Highly recommend this truck!…
Based on 13 consumer ratings for 2020–2026 models. | Privacy
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- Market Price
- $43,995
- Dealer Discount
- -$2,000
- Ciocca Price
- $41,995
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