New 2021 GMCSierra 2500 HD Denali Truck
- VIN: 1GT49REY8MF223948
- Exterior Color
- Ebony Twilight Metallic
- Interior Color
- Jet Black, Forge perforated leather seat trim
- Body
- Truck
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- 6.6L Duramax Turbo-Diesel V8 engine
Detailed Specifications
- Basic
- Corrosion
- Drivetrain
- Maintenance
- Roadside Assistance
- Warranty
- Max seating capacity: 5
- Fuel System: DI
- Fuel tank capacity: 36 gal
- Horsepower: 445 @ 2800
- Towing capacity: lbs
- 4G LTE Wi-Fi® hotspot capable:
- Terms and limitations apply. See onstar.com or dealer for details.
- May require additional optional equipment
- 8" diagonal Premium GMC Infotainment System with Navigation:
- Multi-touch display, AM/FM/SiriusXM1 (trial subscription), stereo and includes Navigation2
- HD Radio capability
- Bluetooth®3streaming audio for music and select phones
- Apple CarPlay™ capability for compatible phones4
- Android Auto™ capability for compatible phones5
- Use, control and manage select smartphone apps through the Infotainment system
- Voice-activated technology for phone
- USB port(s)6 to play stored audio files through your vehicle's audio system
- With greater memory
- May require additional optional equipment
- 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, you'll get rich, concert-like sound
- May require additional optional equipment
- HD Radio:
- Provides consumers with additional channels known as HD2, HD3 and HD4
- Transmits Program Service Data, such as song titles and artist information
- SiriusXM Radio
- SiriusXM® with 360L trial subscription:
- Enjoy a 3-month trial subscription to the SiriusXM All Access package and enjoy the full SiriusXM with 360L experience1
- This vehicle is equipped with SiriusXM with 360L— a greater variety of SiriusXM content, a more personalized experience and easier navigation. For the full SiriusXM with 360L experience, a SiriusXM All Access Package is required. If you subscribe to a lower package, certain features of 360L will not be available
- With the All Access Package, you can also enjoy your favorites anywhere life takes you, with the SiriusXM app, online and at home on compatible connected devices
- May require additional optional equipment. Some features, including streaming content and listening recommendations require GM connected vehicle services
- May require additional optional equipment
- Wireless Phone Projection for Apple Carplay and Android Auto
- 18" LT275/70R18 all-terrain, blackwall spare tire:
- May require additional optional equipment
- Steps make it easier to get in and out of your vehicle
- Textured step pads help provide secure footing
- May require additional optional equipment
- Activated by switch located on center switch bank
- Illuminates the cargo bed area
- Provides light to find cargo in the bed
- Rear pillar lamps
- May require additional optional equipment
- 12-fixed rated at 500 lbs. per corner
- Helps make it easier to get into and out of the pickup bed
- Located at each end of the rear bumper
- Textured step pads to help provide secure footing
- Provides added protection from sun and glare
- Six function tailgate design to help improve loading, unloading and access the cargo box
- Hitch area lighting
- Power lock and release
- May require additional optional equipment
- Automatically turns on and off your vehicle's high beam headlamps according to surrounding traffic conditions
- The automatic high beams will stay on until a sensor detects an approaching vehicle's headlamps or preceding vehicle's taillamps
- May require additional optional equipment
- Help minimize glare in adverse driving conditions
- C-shaped LED headlamps with signature lighting and innovative light blade technology
- C-shaped LED taillamps with LED stop and reverse light
- Brighter and lasts longer than traditional incandescent bulbs
- Chrome mirror caps
- Power folding/extending
- Lower convex mirrors
- Heated upper glass
- Integrated turn signal indicators
- Puddle lamps
- Perimeter lighting
- Auxiliary lighting
- Extends 3.31-inches
- AT4 features molded in color Black mirror caps
- Requires gasoline engine
- Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather
- May require additional optional equipment
- Roof-mounted lamps near the front of the cab
- Helps keep spare tire secure
- Utilizes the same key as the door and ignition
- Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
- Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
- Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
- Includes logo
- Does not include spray-on liner on tailgate due to Black composite inner panel
- Hitch area lighting
- May require additional optional equipment
- 10-way power driver seat with power lumbar:
- Moves the seat forward and back, and up and down
- Tilt the seat cushion and seatbacks
- 10-way power front passenger seat:
- Forward and back
- Up and down
- Tilt seat cushion back and upright
- Recline seatback up and down
- Includes 2-way power lumbar
- 12-volt auxiliary front power outlet:
- May require additional optional equipment
- 3-prong auxiliary household-style outlet
- Located in the pickup bed
- May require additional optional equipment
- 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
- Multiple page views may include fuel data, audio information, trailer settings, phone features, certain active safety features status (if equipped) and navigation1 route guidance
- Includes driver personalization, warning messages and vehicle information
- May require additional optional equipment
- Front A-pillar mounted for Driver and Passenger
- Rear B-pillar mounted
- Color-keyed to match the interior
- Located in instrument cluster
- 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
- Recalls 2 driver presets for 10-way power seat and outside mirrors
- May require additional optional equipment
- 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
- Helps protect your interior from road debris and the elements
- Color-keyed to match the interior
- Denali models feature unique premium tufted carpeting
- Includes reconfigurable feature with cupholders, cell phone storage, power cord management and file holder capacity
- May require additional optional equipment
- Subject to terms. See onstar.com or dealer for details.
- May require additional optional equipment
- Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
- At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
- Individually controlled
- Seats can be programmed to automatically warm up when it's cold out
- May require additional optional equipment
- At the touch of a button you can warm the cushions
- Provide comfort in cold weather for passengers in the rear outboard seating positions
- Passengers have their own controls to set the temperature
- May require additional optional equipment
- With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
- May require additional optional equipment
- Automatically dims the inside rearview mirror when it senses bright light from behind
- When headlamp glare is no longer detected, the mirror returns to its normal state
- With the Keyless Entry fob in your possession, conveniently locks and unlocks your car's doors without having to use the key fob
- With the vehicle in Park or Neutral, press the brake pedal and then press the engine start/stop button to start the engine; the green indicator on the button will illuminate
- Shift to Park and press the engine start/stop button to turn off the engine
- May require additional optional equipment
- Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
- May require additional optional equipment
- Located in infotainment display
- Programmable
- Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
- Helps to keep your rear view clear of fog or frost
- Utilizes a warming grid to remove fog or frost from the rear window
- The window switch is conveniently located in the overhead console for easy 1-touch operation
- May require additional optional equipment
- Quickly raises the window or lowers it with the touch of a button
- If obstruction is detected, the anti-pinch feature will auto-reverse
- Quickly raises the window or lowers it with the touch of a button
- If an obstruction is detected, the anti-pinch feature will auto-reverse
- 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 5 audible chimes and display a visual message within the Driver Information Center
- Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
- Provides cabin comfort for rear occupants
- Helps protect your interior from road debris and the elements
- Color-keyed to match the interior
- Denali models feature unique premium tufted carpeting
- Helps to keep your rear view clear of fog or frost
- Utilizes a warming grid to help remove fog or frost from the rear window
- Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
- Locks doors and turns on parking lamps while the engine is running
- Activates the climate control system
- Helps prevent theft by allowing the steering wheel to operate only with the proper key fob
- May require additional optional equipment
- Allow the driver to easily operate the audio system and phone interface controls
- May require additional optional equipment
- Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
- Helps deter unauthorized entry, helping to protect your vehicle
- May require additional optional equipment
- 2 located on instrument panel1
- Second row includes 2 USB charging-only ports1
- 3-channel programmable
- Conveniently activate compatible devices such as garage door openers, security systems, and home automation devices from inside your vehicle
- May require additional optional equipment
- Full-length bench seat
- Seatback storage on left and right side
- Center fold out armrest with 2 cupholders
- Underseat storage (full cab width)
- Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation
- Individually controlled
- Cooling feature includes both seatbacks and cushions
- Includes heated front seating
- May require additional optional equipment
- Uses induction technology for portable electronic devices1
- Convenient charging location on the top of the center console
- Device may require optional case for phones that are compatible
- Customers can charge their smartphones while they drive without connecting to any cables
- May require additional optional equipment
- 10,650 lbs. GVWR:
- When properly equipped; includes weight of vehicle, passengers, cargo and equipment
- 170-amp alternator:
- May require additional optional equipment
- Requires a gas engine
- 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
- Overdrive gear for smooth, efficient operation
- Tow/Haul mode and Auto Grade Braking that reduce the amount of conventional braking needed while towing or traveling downhill to help reduce brake wear
- 401 hp [299 kW] @ 5200 rpm
- 464 lb-ft of torque [629 N-m] @ 4000 rpm
- 3.73 rear axle ratio
- Paired with a 6-speed automatic transmission
- Capless fuel fill
- Alerts the driver when the engine air filter needs replacement
- 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
- 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
- Neutral
- ONLY used for towing vehicle (Dinghy tow & Dolly tow capability)- allows vehicle to roll freely
- May require additional optional equipment
- 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
- Requires gasoline engine
- Two front frame-mounted1
- This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
- 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
- Heavy-duty air-to-oil cooler
- Helps extend engine oil life under heavy loads
- Hydroformed front section
- High-strength steel
- Thick construction helps to trap more dirt before it can enter the air intake
- 80 Amp-hr
- Maintenance-free with rundown protection and retained accessory power
- May require additional optional equipment
- Uses antilock braking to help provide a smooth, controlled descent
- Helps driver maintain control of the vehicle without depressing the brake pedal
- Activates by pushing a button below the instrument panel
- May require additional optional equipment
- Checklist1
- Trailer light sequencing
- 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
- May require additional optional equipment
- 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
- Roll-formed high-strength steel
- Help protect the front underbody, oil pan, differential case and transfer case
- May require additional optional equipment
- Driver Alert Package I:
- Lane Change Alert with Side Blind Zone Alert1
- Rear Cross Traffic Alert1
- Front and Rear Park Assist1
- Perimeter Lighting
- May require additional optional equipment
- Driver Alert Package II:
- Lane Departure Warning1
- Automatic Emergency Braking1
- Forward Collision Alert1
- Following Distance Indicator1
- Safety Alert Seat1
- IntelliBeam®
- May require additional optional equipment
- ProGrade Trailering System:
- Hitch Guidance with Hitch View1
- In-vehicle Trailering App
- Trailering Package:
- Trailer Hitch1
- Trailering hitch platform
- Includes a 2.5" receiver hitch (with 2" insert), 4-pin and 7-pin connectors
- 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
- May require additional optional equipment
- X31 Off-Road Package:
- Off-Road suspension
- Hill Descent Control
- Skid plates
- Twin-tube Rancho shocks
- Trailering Information Label:
- Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
- LED Daytime Running Lamps:
- Daytime Running Lamps automatically illuminate signature lighting
- 6 airbags:
- 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
- Bed View Camera:
- Camera in the Center High Mount Stop Lamp (CHMSL) provides an elevated view of the truck bed from the back of the cab1
- Allows driver to see inside the cargo bed on the infotainment display to help with 5th wheel or gooseneck hitching and to check cargo
- Includes 2 Trailer Camera Provisions
- May require additional optional equipment
- Following Distance Indicator:
- Displays the gap time in seconds between your vehicle and a detected vehicle you're following1
- This can help you decide if you're following much too closely
- May require additional optional equipment
- Forward Collision Alert:
- Can warn you if it detects a potential front-end collision with a vehicle you're following so you can quickly take action1
- It can also provide a tailgating alert if you're following a vehicle much too closely
- May require additional optional equipment
- Front and Rear Park Assist:
- Can provide distance alerts to nearby detected objects in front of or behind your vehicle to help you park and avoid collisions at low speeds1
- May require additional optional equipment
- HD Surround Vision:
- Uses multiple cameras to display a digital overhead image of the area around your vehicle along with Rear Vision Camera or front views1
- It works at low speeds and may help you park and avoid nearby objects
- You can select additional views on your camera display
- Includes 2 Trailer Camera Provisions
- Requires Auxiliary Trailer Camera if one of the following camera views is desired: Transparent Trailer2, Rear Trailer View, Picture-in-Picture or Inside Trailer View
- May require additional optional equipment
- Hitch Guidance:
- Displays a guideline on the Rear Vision Camera view when you're in Reverse to help line up your hitch to your trailer1
- When driving, Hitch Guidance allows you to briefly check your trailer using the Rear Vision Camera view
- Hitch Guidance with Hitch View:
- Displays a guideline on the Rear Vision Camera view when you're in Reverse to help line up your hitch to your trailer and offers a close-up Hitch View1
- When driving, Hitch Guidance with Hitch View allows you to briefly check your trailer connection using the Rear Vision Camera view
- When Hitch View is in use, automatically applies electric parking brake when shifting to Park
- May require additional optional equipment
- Lane Change Alert with Side Blind Zone Alert:
- Can provide side-mirror visual alerts when a detected moving vehicle is quickly approaching or is in your side blind zone1
- It can help you avoid lane change collisions
- May require additional optional equipment
- Lane Departure Warning:
- Can alert you if you might be unintentionally drifting out of detected lane lines so you can quickly take action1
- It will not alert you if you're using your turn signal or it detects you may be intentionally leaving your lane
- May require additional optional equipment
- OnStar® & GMC Connected Services capable:
- Terms and limitations apply. See onstar.com or dealer for details.
- Rear Cross Traffic Alert:
- Can warn you of detected left or right cross traffic behind your vehicle when you're in Reverse1
- May require additional optional equipment
- Safety Alert Seat:
- Uses left, right, or both-side seat vibration pulses to help you identify the direction of potential crashes so you can quickly take action1
- You can also switch to beeping crash avoidance alerts
- May require additional optional equipment
- Teen Driver:
- This configurable feature lets you activate customizable vehicle settings associated with a key fob to help encourage better driving behavior1
- It can limit certain vehicle features, and automatically turns on certain safety systems if vehicle is equipped
- An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Tire Pressure Monitoring System:
- Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
- Includes Tire Fill Alert1
- Automatic Emergency Braking:
- Works with Forward Collision Alert to help you avoid or reduce the severity of a front-end collision with a detected vehicle you're following1
- Camera technology is used to automatically provide hard emergency braking or enhance the driver's hard braking
- This feature works at speeds below 50 mph
- 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 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
Ebony Twilight Metallic 2021 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather.
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