2021 GMC Sierra 2500HD Denali

Automatic Highbeams

Tow Hitch

Running Boards/Side Steps

Locking/Limited Slip Differential

Four Wheel Drive

Tow Hooks

Power Steering

ABS

4-Wheel Disc Brakes

Aluminum Wheels

Tires - Front All-Terrain

Tires - Rear All-Terrain

Conventional Spare Tire

Running Boards/Side Steps

Bed Liner

Daytime Running Lights

Automatic Highbeams

Fog Lamps

Heated Mirrors

Power Mirror(s)

Integrated Turn Signal Mirrors

Power Folding Mirrors

Privacy Glass

AM/FM Stereo

Navigation System

MP3 Player

Bluetooth Connection

Auxiliary Audio Input

Smart Device Integration

HD Radio

Satellite Radio

Requires Subscription

Satellite Radio

Requires Subscription

Premium Sound System

Bluetooth Connection

Bluetooth Connection

Smart Device Integration

WiFi Hotspot

Bucket Seats

Leather Seats

Heated Front Seat(s)

Cooled Front Seat(s)

Power Driver Seat

Driver Adjustable Lumbar

Power Passenger Seat

Passenger Adjustable Lumbar

Heated Front Seat(s)

Heated Front Seat(s)

Cooled Front Seat(s)

Mirror Memory

Seat Memory

Heated Rear Seat(s)

Floor Mats

Floor Mats

Leather Steering Wheel

Heated Steering Wheel

Steering Wheel Audio Controls

Adjustable Steering Wheel

Power Windows

Power Windows

Power Windows

Rear Defrost

Sliding Rear Window

Power Door Locks

Keyless Entry

Power Door Locks

Keyless Start

Remote Engine Start

Universal Garage Door Opener

Cruise Control

Security System

MP3 Player

Auxiliary Audio Input

MP3 Player

Auxiliary Audio Input

Power Outlet

Power Outlet

Climate Control

Multi-Zone A/C

A/C

Rear Defrost

Auto-Dimming Rearview Mirror

Front Collision Mitigation

Front Collision Warning

Traction Control

Stability Control

Daytime Running Lights

Driver Air Bag

Passenger Air Bag

Front Side Air Bag

Front Head Air Bag

Rear Head Air Bag

Passenger Air Bag Sensor

Telematics

Requires Subscription

Rear Parking Aid

Back-Up Camera

Aerial View Display System

Back-Up Camera

Cross-Traffic Alert

Blind Spot Monitor

Front Collision Warning

Lane Departure Warning

Driver Restriction Features

Tire Pressure Monitor

Compass, located in instrument cluster

Cruise control, steering wheel-mounted

Defogger, rear-window electric

Door locks, power

Driver Information Center, enhanced, 8" diagonal multicolor digital display includes analog speedometer and tachometer gauges

Driver memory recalls driver "presets" for power driver seat and outside mirrors

Exterior Temperature Display, located in radio display

Floor covering, color-keyed carpeting

Floor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)

Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)

GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details)

Keyless Open and Start

Mirror, inside rearview auto-dimming

Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)

Power outlet, front auxiliary, 12-volt

Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)

Power outlet, rear auxiliary, 12-volt

Radio, HD

Rear Seat Reminder

Remote vehicle starter system

Seat adjuster, driver 10-way power including lumbar

Seat adjuster, passenger 10-way power including lumbar

Seat trim, Forge perforated leather-appointed

Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor) (Rear seat features leather seating surfaces.)

Seating, heated driver and front outboard passenger

Seats, front bucket with center console

Seats, heated second row outboard seats

Seats, ventilated driver and front passenger

SiriusXM Radio

SiriusXM Radio with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations.)

Steering column, lock control, electrical

Steering column, manual Tilt-Wheel and telescoping

Steering wheel audio controls

Steering wheel, heated

Steering wheel, leather-wrapped

Theft-deterrent system, unauthorized entry

Universal Home Remote

USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack

USB ports, 2 (first row) located on instrument panel

USB ports, dual, charge-only (2nd row)

Window, power front, passenger express up/down

Window, power, rear sliding with rear defogger

Windows, power front, drivers express up/down

Windows, power rear, express down

Wireless Charging

Wireless Phone Projection for Apple Carplay and Android Auto

Fog lamps, LED

Glass, deep-tinted

Grille (Signature Denali grille with high gloss Black mesh and Chrome inserts.)

Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps

IntelliBeam, automatic high beam on/off

Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel

Lamps, Smoked Amber LED roof marker, (LED) (Not available with (YF5) California state emissions requirements.)

LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob

LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)

Mirror caps, chrome

Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])

Moldings, beltline, stainless steel

Tailgate and bed rail protection caps, top

Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light

Tailgate, GMC MultiPro Tailgate with six functional load/access features

Taillamps, LED signature taillight with LED stop and reverse light

Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door

Tire, spare LT275/70R18 all-terrain, blackwall

Tires, LT275/65R20 all-terrain, blackwall

Wheelhouse liners, rear

Wheels, 20" (50.8 cm) multi-dimensional Polished aluminum

Cooling, auxiliary external transmission oil cooler

Cooling, external engine oil cooler

Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)

Four wheel drive

Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section

GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels.)

Hill descent control

In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)

LPO, Chrome recovery hooks (dealer-installed)

Pickup bed includes bed assist step

Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)

Skid Plates protect the oil pan, front axle and transfer case

Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue

Suspension, Off-Road includes twin-tube shocks

Trailer brake controller, integrated

Transfer case, two-speed active, electronic Autotrac with push button control

Transmission, 6-speed automatic, heavy-duty

Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching

Hitch Guidance with hitch view with Image adjustment, Pan/Zoom/Tilt

Lane Change Alert with Side Blind Zone Alert

Lane Departure Warning

OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)

Rear Cross Traffic Alert

Safety Alert Seat

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist

Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. 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 with Tire Fill Alert (does not apply to spare tire)