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Home / Pre-Owned Inventory / Used / 2024 / GMC / Sierra 2500HD / Denali Ultimate / 1GT49XEY2RF244841
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Used 2024 GMC Sierra 2500HD Denali Ultimate

VIN: 1GT49XEY2RF244841
Stock #: RF244841

21,544 mi.

$83,218

Vehicle Details

Trans.:10-Speed Automatic
Drivetrain:Four Wheel Drive
Engine: Duramax 6.6L V8 Turbodiesel
Fuel Type:Diesel
Ext. Color:Onyx Black
Int. Color:Alpine Umber
View all Technical Specifications
Port Lavaca Price
$82,993
Document Fee
+$225
Port Lavaca Sale Price
$83,218

Price valid through: June 15, 2026*

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The 2024 GMC Sierra 2500HD Denali Ultimate in Onyx Black with Alpine Umber interior delivers premium heavy-duty diesel power, first-class Crew Cab comfort, and 4WD capability for drivers who want serious truck strength without giving up luxury. 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, confident towing performance, and smooth power delivery in a truck built to handle real work while still looking every bit the top-shelf pickup it is. With just 21,445 miles, this Denali Ultimate offers Low-mileage appeal, upscale presence, and the kind of heavy-duty capability that does not need to shout to be taken seriously.

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 trim package
• Onyx Black exterior
• Alpine Umber interior
• 4WD capability
• Duramax 6.6L V8 Turbodiesel performance
• Crew Cab configuration
• Low 21,445 miles
• Premium leather-appointed seating
• Heated and ventilated front seats
• Power-adjustable front seats with memory settings
• 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 Surround Vision capability
• 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 Denali Ultimate 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 Low-mileage condition and proven Duramax diesel power to its Denali Ultimate luxury and 4WD capability, the 2024 GMC Sierra 2500HD is built for drivers who want heavy-duty truck capability, refined comfort, and the confidence to Tow, haul, and travel without compromise.

Standard Features

  • Gooseneck/5th Wheel Prep Package
  • 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 Heavy-Duty 70 Amp Battery
  • 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
  • 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 Prem Floor Liners w/Removable Carpet Insert
  • 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 Prem Floor Liners w/Removable Carpet Insert
  • 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
  • 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
  • Rear Underseat Storage (LPO)
  • 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 Location

Port Lavaca Ford
1801 Highway 35 South Port Lavaca,
TX 77979-5110
Get Directions

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.

*Price valid through: June 15, 2026

**Number of views in last 30 days

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Showroom: 1801 Highway 35 South Port Lavaca, TX 77979-5110
Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user “as is” without warranty of any kind, either express or implied. All vehicles are subject to prior sale. Price does not include applicable tax, title, and license charges. ‡Vehicles shown at different locations are not currently in our inventory (Not in Stock) but can be made available to you at our location within a reasonable date from the time of your request, not to exceed one week.
Tracking Line: Port Lavaca Ford Sales - 361-693-5053
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Technical Specifications

  • Vehicle Name: GMC Sierra 2500HD
  • Body Style: Crew Cab Pickup
  • Body Code: E63
  • Drivetrain: Four Wheel Drive
  • Passenger Capacity: 5
  • Gross Axle Wt Rating – Front: – TBD –
  • Gross Axle Wt Rating – Rear: – TBD –
  • Curb Weight – Front: 4023
  • Curb Weight – Rear: 2822
  • Gross Vehicle Weight Rating Cap: 10000, 11750
  • Fuel Economy Est-Combined:
  • EPA Fuel Economy Est – City:
  • EPA Fuel Economy Est – Hwy:
  • Gross Combined Wt Rating: – TBD -, 26000, 30000
  • Dead Weight Hitch – Max Trailer Wt.: 5000
  • Dead Weight Hitch – Max Tongue Wt.: 500
  • Wt Distributing Hitch – Max Trailer Wt.: 18500, 20000
  • Wt Distributing Hitch – Max Tongue Wt.: 1850, 2000
  • Fifth Wheel Hitch – Max Trailer Wt.: 17200, 19300
  • Fifth Wheel Hitch – Max Tongue Wt.: 4300, 4825
  • Maximum Trailering Capacity: 20000
  • Engine Order Code: L5P
  • Engine Type: Turbocharged Diesel V8
  • Displacement: 6.6L/- TBD –
  • Fuel System: Direct Injection
  • SAE Net Horsepower @ RPM: 470 @ 2800
  • SAE Net Torque @ RPM: 975 @ 1600
  • Trans Order Code: MGM
  • Trans Type: 10
  • Trans Description Cont.: Automatic
  • Trans Description Cont. Again:
  • First Gear Ratio (:1): 4.54
  • Second Gear Ratio (:1): 2.87
  • Third Gear Ratio (:1): 2.06
  • Fourth Gear Ratio (:1): 1.72
  • Fifth Gear Ratio (:1): 1.48
  • Sixth Gear Ratio (:1): 1.26
  • Reverse Ratio (:1): 4.54
  • Clutch Size: N/A
  • Trans Power Take Off:
  • Trans PTO Access:
  • Transfer Case Model: – TBD –
  • Transfer Case Gear Ratio (:1), High: – TBD –
  • Transfer Case Gear Ratio (:1), Low: – TBD –
  • Transfer Case Power Take Off:
  • Cold Cranking Amps @ 0° F (Primary): 730
  • Cold Cranking Amps @ 0° F (2nd):
  • Tons/yr of CO2 Emissions @ 15K mi/year:
  • Maximum Alternator Capacity (amps): 220, 220 & 170
  • Maximum Alternator Watts: N/A
  • Total Cooling System Capacity: – TBD –
  • Engine Oil Cooler: – TBD –
  • Frame Type: – TBD –
  • Suspension Type – Front: Short/Long Arm
  • Suspension Type – Rear: Multi-Leaf Springs
  • Spring Capacity – Front: – TBD –
  • Spring Capacity – Rear: – TBD –
  • Axle Type – Front: – TBD –
  • Axle Type – Rear: – TBD –
  • Axle Capacity – Front: – TBD –
  • Axle Capacity – Rear: – TBD –
  • Axle Ratio (:1) – Front: 3.42
  • Axle Ratio (:1) – Rear: 3.42
  • Shock Absorber Diameter – Front: 2.01
  • Shock Absorber Diameter – Rear: 2.01
  • Stabilizer Bar Diameter – Front: 1.38
  • Stabilizer Bar Diameter – Rear:
  • Front Tire Order Code: QF9, XGD
  • Rear Tire Order Code: QF9, XGD
  • Spare Tire Order Code: ZYG
  • Front Tire Size: LT265/60R22, LT275/65R20
  • Rear Tire Size: LT265/60R22, LT275/65R20
  • Spare Tire Size: LT275/70R18
  • Front Tire Capacity: – TBD –
  • Rear Tire Capacity: – TBD –
  • Spare Tire Capacity: – TBD –
  • Revolutions/Mile @ 45 mph – Front: N/A
  • Revolutions/Mile @ 45 mph – Rear: N/A
  • Revolutions/Mile @ 45 mph – Spare: N/A
  • Front Wheel Size: 20 x – TBD -, 22 x – TBD –
  • Rear Wheel Size: 20 x – TBD -, 22 x – TBD –
  • Spare Wheel Size:
  • Front Wheel Material: Aluminum, Steel
  • Rear Wheel Material: Aluminum, Steel
  • Spare Wheel Material: Steel
  • Steering Type: Pwr Recirculating Ball
  • Steering Ratio (:1), On Center: – TBD –
  • Steering Ratio (:1), At Lock: – TBD –
  • Turning Diameter – Curb to Curb: 52.7
  • Turning Diameter – Wall to Wall: N/A
  • Brake Type: Pwr
  • Brake ABS System: 4-Wheel
  • Brake ABS System (Second Line):
  • Disc – Front (Yes or ): Yes
  • Disc – Rear (Yes or ): Yes
  • Front Brake Rotor Diam x Thickness: 14 x 1.6
  • Rear Brake Rotor Diam x Thickness: 14.1 x 1.3
  • Drum – Rear (Yes or ):
  • Rear Drum Diam x Width:
  • Fuel Tank Capacity, Approx: 36
  • Aux Fuel Tank Capacity, Approx:
  • Fuel Tank Location: – TBD –
  • Aux Fuel Tank Location:
  • Front Head Room: 43.03
  • Front Leg Room: 44.53
  • Front Shoulder Room: 66.02
  • Front Hip Room: 61.18
  • Second Head Room: 40.12
  • Second Leg Room: 43.4
  • Second Shoulder Room: 65.3
  • Second Hip Room: 60.24
  • Wheelbase: 159
  • Length, Overall: 250.75
  • Width, Max w/o mirrors: 81.85
  • Height, Overall: 79.82
  • Overhang, Front: – TBD –
  • Overhang, Rear w/o bumper: – TBD –
  • Front Bumper to Back of Cab: – TBD –
  • Cab to Axle: 42.17
  • Cab to End of Frame: – TBD –
  • Ground to Top of Load Floor: – TBD –
  • Ground to Top of Frame: – TBD –
  • Frame Width, Rear: – TBD –
  • Ground Clearance, Front: 10.28
  • Ground Clearance, Rear: 10.28
  • Cargo Box Length @ Floor: 82.2
  • Cargo Box Width @ Top, Rear: – TBD –
  • Cargo Box Width @ Floor: 71.4
  • Cargo Box Width @ Wheelhousings: 51.85
  • Cargo Box (Area) Height: 21
  • Tailgate Width: – TBD –
  • Cargo Volume: 69.5
  • Ext’d Cab Cargo Volume: – TBD –
  • Seventh Gear Ratio (:1): 1.00
  • Eighth Gear Ratio (:1): 0.85
  • Ninth Gear Ratio (:1): 0.69
  • Tenth Gear Ratio (:1): 0.63
  • Country of Origin: United States GMC Truck
  • Model Group: Sierra
  • Vehicle Segment: Large Pick-up
  • Vehicle Type: Crew Cab
  • Body Cab Style: Crew Cab
  • Bed Style: regular, regular
  • Engine Displacement Units: 6.6, 6.6, 6.6
  • Engine Camshaft: OHV, OHV, OHV
  • Engine Block Type: iron, iron, iron
  • Engine Cylinder Count: 8, 8, 8
  • Engine Valve Count: 2, 4, 4

Special Ford Courtesy Vehicle

Ford Courtesy Vehicles are low mileage used vehicles that are eligible for New Vehicle Retail Incentive Offers and the balance of the New Vehicle Limited Warranty. These vehicles were formerly used by our customers and cared for by our very own service department.

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