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Used 2024 GMC Sierra 2500HD Denali Ultimate
VIN: 1GT49XEY3RF446278
Stock #: RF446278SP
17,903 mi.
Vehicle Details
Trans.:10-Speed Automatic
Drivetrain:Four Wheel Drive
Engine: Duramax 6.6L V8 Turbodiesel
Fuel Type:Diesel
Ext. Color:Sterling Metallic
Int. Color:Alpine Umber
Port Lavaca Price
$86,200
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The 2024 GMC Sierra 2500HD Denali Ultimate in Sterling Metallic with Alpine Umber interior delivers top-tier heavy-duty diesel capability, premium luxury, and commanding 4WD confidence for drivers who want a truck that can handle serious work 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 Ultimate brings massive torque, refined towing strength, and smooth power delivery to the jobsite, highway, or boat ramp. With 17,903 miles, this Denali Ultimate offers high-end styling, advanced technology, and true heavy-duty performance in One of the most desirable diesel trucks on the market.
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 Ultimate premium luxury trim
• Sterling Metallic exterior
• Alpine Umber interior
• 4WD capability
• Duramax diesel performance
• Crew Cab configuration
• Premium leather-appointed interior
• Heated and ventilated front seats
• Power-adjustable front seats with memory settings
• Power sunroof capability
• MultiPro tailgate capability
• Advanced trailering technology
Safety Features
• Forward Collision Alert
• Automatic Emergency Braking
• Lane Departure Warning
• Following Distance Indicator
• Blind Zone Alert
• Rear Cross Traffic Alert
• HD Surround Vision capability
• Rear view camera
• Front and rear park assist
• Advanced airbag system
• Electronic Stability Control
• Anti-lock braking system
Standard Features
• Denali Ultimate signature exterior styling
• Premium alloy wheels
• LED headlamps and LED daytime running lights
• Power windows and door locks
• Dual-zone automatic climate control
• Push-button start
• Remote start capability
• Spacious Crew Cab interior
• Rear seat air vents
• Power-folding side mirrors
• Integrated trailer brake controller capability
• 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
• Exhaust brake capability
• Trailer sway control
• Integrated towing capability
• Electric power steering
• High-strength heavy-duty frame
• Smooth diesel torque delivery
• Built for towing, hauling, and long-haul durability
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 Duramax diesel power and 4WD capability to its Denali Ultimate luxury and advanced trailering technology, the 2024 GMC Sierra 2500HD Denali Ultimate is built for drivers who demand serious heavy-duty performance, premium comfort, and standout style in on
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 Ultimate premium luxury trim
• Sterling Metallic exterior
• Alpine Umber interior
• 4WD capability
• Duramax diesel performance
• Crew Cab configuration
• Premium leather-appointed interior
• Heated and ventilated front seats
• Power-adjustable front seats with memory settings
• Power sunroof capability
• MultiPro tailgate capability
• Advanced trailering technology
Safety Features
• Forward Collision Alert
• Automatic Emergency Braking
• Lane Departure Warning
• Following Distance Indicator
• Blind Zone Alert
• Rear Cross Traffic Alert
• HD Surround Vision capability
• Rear view camera
• Front and rear park assist
• Advanced airbag system
• Electronic Stability Control
• Anti-lock braking system
Standard Features
• Denali Ultimate signature exterior styling
• Premium alloy wheels
• LED headlamps and LED daytime running lights
• Power windows and door locks
• Dual-zone automatic climate control
• Push-button start
• Remote start capability
• Spacious Crew Cab interior
• Rear seat air vents
• Power-folding side mirrors
• Integrated trailer brake controller capability
• 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
• Exhaust brake capability
• Trailer sway control
• Integrated towing capability
• Electric power steering
• High-strength heavy-duty frame
• Smooth diesel torque delivery
• Built for towing, hauling, and long-haul durability
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 Duramax diesel power and 4WD capability to its Denali Ultimate luxury and advanced trailering technology, the 2024 GMC Sierra 2500HD Denali Ultimate is built for drivers who demand serious heavy-duty performance, premium comfort, and standout style in on
Standard Features
- Gooseneck/5th Wheel Prep Package
- Heavy Duty Front Spring/Camper Package
- Hitch Package (LPO)
- Preferred Equipment Group 5SB
- Technology Package
- X31 Off-Road Package
- 12 Speakers
- AM/FM radio: SiriusXM with 360L
- Bose Premium Series 12-Speaker System
- Premium audio system: Premium GMC Infotainment System
- Radio: AM/FM w/Premium GMC Infotainment System
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Heads-Up Display
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Push Button Start
- 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
- 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 moonroof
- Power Sunroof
- Pickup Box
- Brake assist
- Electronic Stability Control
- Lane Departure Warning System
- 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-Amp Alternator
- Block heater
- Dual 220-Amps Primary/170-Amps Aux Alternators
- Dual Heavy-Duty 70 Amp Battery
- Auto-dimming door mirrors
- Body Color Wheel Arch Moldings (LPO)
- 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
- Power door mirrors
- Rear step bumper
- Rear Wheelhouse Liners
- Signature Denali Grille in Vadar Chrome
- Spray-On Bedliner w/Denali Logo
- Turn signal indicator mirrors
- 2 Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- 2 USB Ports
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Bed View Camera w/2 Trailer Camera Provisions
- Buckle to Drive
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front reading lights
- Garage door transmitter
- Genuine wood dashboard insert
- Genuine wood door panel insert
- GMC Connected Access Capable
- HD Surround Vision
- Heated steering wheel
- Illuminated entry
- Inside Rearview Auto-Dimming Rear Camera Mirror
- Leather steering wheel
- Multicolor 15″ Diagonal Head-Up Display
- 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
- Trailer Cam Provisions & Trailer Viewing Software
- Trailer Side Blind Zone Alert
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Universal Vehicle Module
- Voltmeter
- Wireless Charging
- Wireless Phone Projection
- 16-Way Power Driver Seat Adjuster w/Lumbar
- 16-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Front Center Armrest
- Full Grain Leather Seat Trim
- 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 Driver & Front Passenger Seats
- Ventilated front seats
- Passenger door bin
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering System App
- Integrated Trailer Brake Controller
- Trailer Tire Pressure Monitor Sensors
- Alloy wheels
- Wheels: 20″ Ultra-Bright Machined Aluminum
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
- Power Front Passenger Windows w/Express Up/Down
- Power Sliding Rear Window w/Defogger
- Rain sensing wipers
- Variably intermittent wipers
- 3.42 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.
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