2023 GMC Sierra 2500HD Denali Crew Cab 4WD

The 2023 GMC Sierra 2500HD Denali in Ebony Twilight Metallic with Jet Black interior delivers heavy-duty Duramax diesel power, premium Denali refinement, and 4WD capability for drivers who want serious truck strength without giving up first-class comfort. Powered by a Duramax 6.6L V8 Turbodiesel engine and paired with a 10-speed automatic transmission, this Sierra 2500HD Denali brings massive torque, confident towing performance, and smooth power delivery in a truck built to handle real work while still looking every bit the high-end pickup it is. With 74,088 miles, this Denali offers strong value, upscale presence, and the kind of broad heavy-duty appeal that keeps a well-equipped diesel truck in demand. Entertainment and Connectivity Features Large touchscreen infotainment display Apple CarPlay integration Android Auto integration Bluetooth hands-free connectivity Built-in navigation capability Premium audio system Wireless phone charging USB charging and media ports Steering wheel mounted audio and phone controls Voice recognition capability Added Features Denali premium trim package Ebony Twilight Metallic exterior Jet Black interior 4WD capability Duramax 6.6L V8 Turbodiesel performance Crew Cab configuration Premium leather-appointed seating Heated and ventilated front seats Power-adjustable front seats with memory settings Chrome Denali-specific exterior accents Advanced trailering technology Strong towing and hauling appeal Safety Features Forward Collision Alert Automatic Emergency Braking capability Lane Departure Warning capability Following Distance Indicator HD rear vision camera Front and rear park assist Electronic Stability Control Anti-lock braking system Advanced airbag system Trailer sway control Standard Features LED headlamps and LED daytime running lights Premium alloy wheels Dual-zone automatic climate control Power windows and door locks Remote start capability Push-button start Spacious Crew Cab interior Rear seat air vents Power-folding side mirrors Premium interior trim and accents Mechanical Features Duramax 6.6L V8 Turbodiesel engine 10-speed automatic transmission Four-wheel drive Heavy-duty suspension system Four-wheel disc brakes Electric power steering Integrated towing capability Strong diesel torque for towing and hauling Built for heavy-duty work, travel, and demanding use Smooth long-haul diesel performance Why drivers choose Port Lavaca Auto Group for their next vehicle Trusted dealership serving Texas drivers with transparent, pressure-free buying experiences Large selection of quality SUVs, trucks, and cars ready for immediate delivery Knowledgeable product specialists who help match drivers with the right vehicle Flexible financing options for a wide range of buyers Ongoing customer support and service after the sale Strong reputation backed by consistent five-star Google reviews Customer Review Highlight We shopped around quite a bit before buying, and Port Lavaca Auto Group stood out right away. They were professional, easy to talk to, and made sure everything was clear from start to finish. Heather W., March 2026 From its proven Duramax diesel power and 4WD capability to its premium Denali trim and upscale Crew Cab comfort, the 2023 GMC Sierra 2500HD Denali is built for drivers who want heavy-duty truck capability, refined luxury, and the confidence to tow, haul, and travel without compromise.

Additional Information

Navigation System,Driver Alert Package I,Driver Alert Package II,Heavy Duty Front Spring/Camper Package,Preferred Equipment Group 5SA,X31 Off-Road Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium 7 Speaker Sound System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM w/Prem GMC Infotainment System & Navi,SiriusXM w/360L,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,12-Volt Rear Auxiliary Power Outlet,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power steering,Power windows,Power Windows w/Driver Express Up/Down,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Electrical Lock Control Steering Column,Emergency communication system: OnStar and GMC connected services capable,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Door Locks,Power Sunroof,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220 Amps Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp Battery,High Idle Switch,6" Rectangular Chromed Tubular Assist Steps,Auto-dimming door mirrors,Bumpers: body-color,Front License Plate Kit,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Polished Exhaust Tip,Power door mirrors,Power-Retractable Assist Steps,Rear step bumper,Rear Wheelhouse Liners,Signature Denali Grille,Spray-On Pickup Box Bed Liner w/Denali Logo,Turn signal indicator mirrors,Winter Grille Cover,2 USB Ports,2 USB Ports (1st Row),2nd Row Dual USB Charge-Only Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera w/2 Trailer Camera Provisions,Compass,Compass Located In Instrument Cluster,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front reading lights,Garage door transmitter,Genuine wood console insert,Genuine wood door panel insert,GMC Connected Access Capable,HD Surround Vision w/2 Trailer View Camera Provisions,Heated steering wheel,Illuminated entry,Lane Change Alert w/Side Blind Zone Alert,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wi-Fi Hotspot Capable,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,Forge Perforated Leather-Appointed Front Seat Trim,Front Bucket Seats,Front Center Armrest,Heated & Ventilated Front Bucket Seats,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated front seats,Passenger door bin,5th Wheel & Gooseneck Trailer Wiring Provisions,Front Chrome Recovery Hooks,Hitch Guidance w/Hitch View,In-Vehicle Trailering System App,Integrated Trailer Brake Controller,Alloy wheels,Wheels: 20" Multi-Dimensional Polished Aluminum,Deep-Tinted Glass,Power Front Passenger Windows w/Express Up/Down,Power Rear Windows w/Express Down,Power Sliding Rear Window w/Defogger,Variably intermittent wipers,3.42 Axle Ratio,3.73 Rear Axle Ratio