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
Bose Premium Sound System:
7-speakers with Richbass® woofer
Bose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin
May require additional optional equipment
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
Wi-Fi® hotspot capable:
Terms and limitations apply. See onstar.com or dealer for details.
Includes driver personalization, warning messages and vehicle information
Replaces traditional analog gauges with fully reconfigurable high definition cluster layout
High definition display provides crisp, premium appearance
120-volt box-mounted power outlet:
3-prong auxiliary household-style outlet
Located in the pickup bed
May require additional optional equipment
120-volt power outlet:
3-prong auxiliary household-style outlet
Located on the instrument panel
Makes it convenient for powering laptops, phone chargers and other electronic devices
May require additional optional equipment
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
Assist handles:
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Carpeted floor covering:
Color-keyed to match the interior
Compass:
Located in instrument cluster
Cruise control:
Maintains a selected speed while driving
Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
Set and resume speed functions
Steering-wheel mounted controls to easily maintain and manage cruising speed
Driver memory:
Press memory button 1 or 2 to program and recall preferences
May require additional optional equipment
Dual-zone automatic climate control:
Automatically maintains the selected temperatures for both the driver and front passenger
Allows individual climate settings for both driver and front passenger
Driver and front passenger can choose a temperature up to 30 degrees difference
May require additional optional equipment
Front bucket seats:
May require additional optional equipment
Front carpeted floor mats:
Helps protect your interior from road debris and the elements
When properly equipped; includes weight of vehicle, passengers, cargo and equipment
220-amp alternator:
May require additional optional equipment
3.42 rear axle ratio:
Requires a diesel engine
4-wheel antilock disc brakes:
Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
DuraLife™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife™ rotors are hardened and strengthened during the manufacturing process
Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
6.6L Duramax Turbo-Diesel V8 engine:
470 hp [350.5 kW] @ 2800 rpm
975 lb-ft of torque [1322 Nm] @ 1600 rpm
3.42 rear axle ratio
Exhaust brake
Engine block heater
Capped fuel fill
Paired with an Allison® 10-speed automatic transmission
Diesel Exhaust Fluid (DEF) fill located in fuel door
Engine after run feature for cooling performance
May require additional optional equipment
Air filtration monitoring:
Alerts the driver when the engine air filter needs replacement
Allison® 10-speed automatic transmission:
Electronically controlled with overdrive for smooth-shifting performance
Tow/Haul mode that reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode)
May require additional optional equipment
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
Autotrac® 2-speed transfer case with push button controls:
4-button control 2WD, Auto, 4WD, 4WD LO
2WD High for most on-road and highway situations
4WD High for snowy or wet roads when added traction is needed
4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
When in AUTO mode, remains in 2WD mode until the system detects wheel slippage
Automatically engages 4WD until traction is regained
May require additional optional equipment
Black vertical recovery hooks:
Two front frame-mounted1
Brake pad wear indicator
Capped fuel fill:
Requires diesel engine or pickup bed delete
Diesel exhaust brake:
Reduces the amount of conventional braking needed while towing a heavy trailer or driving downhill
Uses the variable vanes in the turbocharger to smoothly and quietly create additional back pressure in the engine to help slow the vehicle
Works with the transmission's Tow/Haul mode and Auto Grade Braking to help the driver maintain the desired speed even on long, steep downgrades
Switch activated
May require additional optional equipment
Digital Variable Steering Assist:
This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
Engine block heater:
Helps ease cold weather starts
Heats the engine and engine block fluids
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 extend engine oil life under heavy loads
Fully boxed frame:
Hydroformed front section
High-strength steel
Gooseneck / 5th Wheel Prep Package:
Hitch platform to accept Gooseneck or 5th wheel hitch
Hitch platform with tray to accept ball and stamped box holes with caps installed
Box mounted 7-pin trailer harness
May require additional optional equipment
Heavy-Duty Air Filter:
Thick construction helps to trap more dirt before it can enter the air intake
Heavy-duty dual batteries with 1460 cold-cranking amps:
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
May require additional optional equipment
High idle switch:
Runs the engine in High Idle mode, holding the engine at approximately 1200 rpm
Operates using the cruise control buttons on the steering wheel
High Idle mode is deactivated when you turn off the truck or before you drive off
May require additional optional equipment
In-Vehicle Trailering App:
Checklist1
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
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
Includes bed assist step
Push Button Start
Suspension Package:
Designed to help maintain handling and ride quality while towing a trailer or carrying a load
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
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
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
HD Rear Vision Camera:
Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
Can help you park or avoid vehicles and objects
You can also display an overlay of where your vehicle is heading
Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
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
Hitch View:
Shows a close-up view of the trailer hitch1
In Reverse, the view can be used to line up your hitch to your trailer
When driving, the view can be used to check your trailer hitch
Shifting to Park automatically engages the Electric Parking Brake (if equipped)
May require additional optional equipment
Lane Departure Warning:
Alerts you when it detects that you are unintentionally drifting out of detected lane lines1
System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
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
Seat Belt Adjustable Guide Loops:
Front row only
Teen Driver:
Helps encourage safe driving habits for teens by providing an in-vehicle report card1
Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
Mutes the radio until the front-seat occupants fasten their seat belts
Tire Pressure Monitoring System with Tire Fill Alert:
Monitors tire pressure and alerts of an under-inflated 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
Trailering Information Label:
Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
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
Front Pedestrian Braking:
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
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 which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module
Includes Trailer Sway Control
Hill Start Assist
Dealer Notes
Onyx Black 2025 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Dark Walnut/Slate Leather.
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