Used 2023 GMC Sierra 2500HD Denali
74,088 mi.
Vehicle Details
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.
Standard Features
- 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
VEHICLE DATA
Certain specifications, prices and equipment data have been provided under license from Chrome Data Solutions (\’Chrome Data\’). © 2026 Chrome Data Solutions, LP. All Rights Reserved. This information is supplied for personal use only and may not be used for any commercial purpose whatsoever without the express written consent of Chrome Data. Chrome Data makes no guarantee or warranty, either expressed or implied, including without limitation any warranty of merchantability or fitness for particular purpose, with respect to the data presented here. All specifications, prices and equipment are subject to change without notice.
ESTIMATE MPG
EPA mileage ratings are supplied by Chrome Data Solutions, LP for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.
Based on 2019 EPA mileage ratings. Your MPGe/MPG and driving range will vary depending on driving conditions, how you drive and maintain your vehicle, battery-pack age/condition, and other factors.
PRICING
Vehicle pricing is believed to be accurate. Tax, title and registration are not included in prices shown unless otherwise stated. Manufacturer incentives may vary by region and are subject to change. Vehicle information & features are based upon standard equipment and may vary by vehicle. Monthly payments may be higher or lower based upon incentives, qualifying programs, credit qualifications, residency & fees. No claims, or warranties are made to guarantee the accuracy of vehicle pricing, payments or actual equipment. Call to confirm accuracy of any information.
Manufacturer’s Rebate subject to residency restrictions. Any customer not meeting the residency restrictions will receive a dealer discount in the same amount of the manufacturer’s rebate.