Clean CARFAX. Onyx Black 2020 GMC Sierra 2500HD AT4 ROCKY RIDGE 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel MOON ROOF/SUN ROOF, NAVIGATION, NO ACCIDENTS, LOW PRICES GREAT VEHICLES EVERYDAY, CLEAN CARFAX, LOCAL TRADE, Great Value, Value Priced, NON-SMOKER, ROCKY RIDGE PACKAGE, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 1st & 2nd Rows All-Weather Floor Liners (LPO), 2 USB Ports, 2 USB Ports (1st Row), 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 4.2" Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, 8" Multicolor Driver Instrument Info Display, AT4 Preferred Package, AT4 Premium Package, Automatic Emergency Braking, Bed View Camera, Bose Premium 7 Speaker Sound System, Compass Located In Instrument Cluster, Deep-Tinted Glass, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, GMC Connected Access Capable, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Hill Descent Control, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15" Diagonal Head-Up Display, Navigation System, OnStar & GMC Connected Services Capable, Painted Black Surround Grille, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power Windows w/Driver Express Up/Down, Preferred Equipment Group 4SB, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Camera Mirror, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Safety Alert Seat, Spray-On Pickup Box Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Technology Package, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Wheels: 20" 6-Spoke Bright Machined Aluminum, Wireless Charging, X31 Off-Road Package.
Recent Arrival!
Used 2020 GMCSierra 2500 HD AT4
- Exterior Color
- Onyx Black
- Interior Color
- JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHE
- Odometer
- 114,000 miles
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- Engine: 6.6L V8 DuraMax Diesel, Turbo
- VIN
- 1GT49PEY3LF232284
- Stock Number
- H6015A
Included Packages & Accessories
Detailed Specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 36 gal
- Horsepower: 445
Dealer Notes
KBB.com Consumer Reviews
- 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!
