Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
Drivetrain: 5 Years/60,000 Miles, Sierra TurboMaxTM engines, 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
Maintenance: First Visit: 12 Months/12,000 Miles
Roadside Assistance: 5 Years/60,000 Miles, Sierra TurboMaxTM engines, 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
13.4" diagonal GMC Premium Infotainment System with Google built-in:
13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable
Bluetooth®2 streaming audio for music and select phones
Wireless Apple CarPlay™ capability for compatible phones3
Wireless Android Auto™ capability for compatible phones4
Customize and manage entertainment and vehicle feature setting
Use, control and manage select smartphone apps through the Infotainment system
Voice-activated technology for phone
Bluetooth®:
Pair your compatible mobile phone to your vehicle's infotainment system1
Place and receive hands-free phone calls
Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
SiriusXM with 360L Trial Subscription:
With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1
SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more
Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
Steering-wheel mounted controls:
Allow the driver to easily operate the audio system and phone interface controls
May require additional optional equipment
Wi-Fi® Hotspot capable:
Terms and limitations apply. See onstar.com or dealer for details.
May require additional optional equipment
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones:
Can use Apple CarPlay1 and Android Auto2 wirelessly
Apple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.
Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.
10-speed automatic transmission with Electronic Precision shift and front bucket seats:
Electronically controlled transmission with overdrive and Driver Shift Control
Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
Powertrain Grade Braking
Automatically uses the engine and transmission to slow the truck to maintain desired speeds when driving downhill
Reduces brake wear and increases vehicle control
Cruise Grade Braking
Downshifts automatically to slow the truck as it drives downhill if it exceeds the cruise set speed by a certain amount
May require additional optional equipment
170-amp alternator:
May require additional optional equipment
3.23 rear axle ratio:
May require additional optional equipment
4-wheel antilock disc brakes:
Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
Duralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
5.3L EcoTec3 V8 engine:
355 hp [265 kW] @ 5600 rpm
383 lb-ft of torque [518 Nm] @ 4100 rpm
Paired with a 10-speed automatic transmission
May require additional optional equipment
7,100 lbs. GVWR:
When properly equipped; includes weight of vehicle, passengers, cargo and equipment
Aluminized stainless-steel muffler and tailpipe
Automatic Stop/Start:
At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts off
When drivers remove their foot from the brake, the engine automatically restarts
Under certain circumstances, the engine will not shut off at a complete stop
This feature can be disabled with a switch on the center stack
Automatic locking rear differential:
When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
Black vertical recovery hooks:
Two front frame-mounted1
Brake pad wear indicator
Capless fuel fill:
Prevents paint scratches that can result from a tethered fuel cap
Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
Cargo tie-downs (12)
Electric Power Steering:
Electric, rack-mounted with variable assist
Increases or decreases the amount of assist depending on the steering wheel angle
The system delivers great on-center precision and confident performance at higher speeds
Steering assist is greater during low-speed maneuvers, such as parking
External auxiliary transmission oil cooler:
Heavy-duty air-to-oil cooler
Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer
May require additional optional equipment
External engine oil cooler:
Heavy-duty air-to-oil cooler
Helps prevent possible engine oil breakdown under heavy loads
Fully boxed frame:
Hydroformed front section
High-strength steel
Heavy-duty 730 cold-cranking amps battery:
80 Amp-hr
Maintenance-free with rundown protection and retained accessory power
May require additional optional equipment
Integrated trailer brake controller:
Integrated with the antilock brake system (ABS)
Helps provide measured brake force signaling to electric-controlled trailer brake systems
Trailer gain and output are displayed in the Driver Information Center
Pickup bed:
Roll-formed high-strength steel
Push Button Start
Single-outlet exhaust:
May require additional optional equipment
Single-speed Autotrac Transfer Case:
3 Transfer Case modes
2WD HI mode
Vehicle operates in 2-wheel drive
In this mode the transfer case & front driveline hardware are disengaged to improve fuel economy
Suitable for routine driving on all road surfaces
4WD Auto mode
4WD Auto enables the transfer-case to provide the performance benefits of a full time active AWD system
The 4WD Auto controls automatically adjust torque in response to parameters such as driver inputs, wheel slip control, vehicle dynamic state (understeer/oversteer)
Ideal for wet or wintry conditions, but can be used on any road surface. Suitable for light off road usage
4WD HI mode
Transfer case engages front driveline and power is transferred to both the front & rear axles
In 4WD HI the transfer case clutch maintains higher preemptive torque levels for increased traction vs 4WD Auto
Suitable for use on slippery road surfaces or off-road conditions such as deep sand, snow or rough terrain
Terrain mode
4WD HI and provides improved low speed traction and vehicle control during off road driving
Dual-stage frontal airbags for driver and front outboard passenger1
Seat-mounted side-impact airbags for driver and front outboard passenger1
Head-curtain airbags for outboard seating positions1
Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
Automatic Emergency Braking:
Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
Can automatically provide hard emergency braking or enhance your hard braking
Works at speeds between 5 and 50 mph
May require additional optional equipment
Buckle to Drive:
Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
The feature also reminds the front passenger to buckle up, if equipped
Following Distance Indicator:
Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
Designed to help you maintain a safe following distance
May require additional optional equipment
Forward Collision Alert:
Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
Can also provide a tailgating alert if you're following a vehicle much too closely
May require additional optional equipment
Hitch Guidance:
When in Reverse, displays a centered guideline on the Rear Vision Camera view1
Can help you line up the hitch to your trailer
When driving, lets you check the trailer using Rear Vision Camera view
Lane Keep Assist with Lane Departure Warning:
Uses a brief steering wheel turn to alert you when it detects you are unintentionally drifting out of your lane lines1
System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
You may receive additional Lane Departure Warning alerts if needed
May require additional optional equipment
OnStar Basics:
Drive confidently with core OnStar services including1
Remote commands
Built-in voice assistance
Real-time traffic and navigation
Automatic Crash Response
OnStar® services capable:
See onstar.com for details and limitations. Services vary by model. Service plan required.
Rear Seat Belt Indicator
Rear Seat Reminder:
Helps to remind the driver to check the back seat(s) before leaving the vehicle1
Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
Seat Belt Adjustable Guide Loops:
Front row only
Tire Pressure Monitoring System with Tire Fill Alert:
Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
Properly inflate tires to help optimize your vehicle's ride, handling and efficiency
At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
Limited nighttime and low visibility performance
May require additional optional equipment
StabiliTrak, electronic stability control system with traction control:
Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
Includes Brake Assist that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if required
Includes Trailer Sway Control
Hill Start Assist
Dealer Notes
G6m 2026 GMC Sierra 1500 SLT 4WD 10-Speed Automatic EcoTec3 5.3L V8 10-Speed Automatic, 4WD, Jet Black Leather.
Recent Arrival!
KBB.com Consumer Reviews
Overall4Out of 5
Nice truck
By froggy | on Sunday, December 06, 2020
3.0
I purchased this truck brand new and at 3900 miles I started to have a misfire. The warranty put a refurbished rebuilt engine in it. I was not aware that the warranty doesn't put new parts in just refurbished rebuilt parts. I traded in and lost my favorite blue truck. Not a fan of the whole process. Love the truck just not how the warranty went. I would not own another brand or model the 2020 is the nicest riding and looking. Just got a bad motor from the manufacture.…
Great Truck
By Mel | on Sunday, April 25, 2021
5.0
I love it, I get compliments every where I go, and it apparently worth more than I paid for it brand new, a year and a half later. can't ask for much more than that.…
Well done GM
By Tony | on Thursday, November 26, 2020
5.0
This truck has a 10 speed transmission that you can barely feel it shift. Traded in an F150 and test drove a similar equipped Ram. Although the Ram was nice, the styling of the GMC won me over, along with the tailgate! It also pulls my boat way better than the Ford, just smoother all around. The cabin is very quiet and the gas mileage is much better than V8 Ford. The cabin is super quiet and the ride is awesome. Love the adaptive cruise control too. The technology is fine and the screen is plenty big. Remember, you are driving this truck, not going to thr drive in! Most importantly, the controls are simple to use and Bose stereo sounds great! Oh, and I got it cheaper than the similar Ram too!…