New 2025 GMC Sierra 2500HD Denali Ultimate

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Fuel: Diesel
Color: Onyx BlackInterior: Alpine Umber
Drivetrain: Four Wheel Drive
Engine: 6.6L 8 Cyl.Automatic (10 Speed)
Stock: LG27621AVIN: 1GT4UXEY3SF327621

Location

Walt Massey Chevrolet GMC Lucedale

11241 Old 63 South, Lucedale, MS, 39452
Call Today (601) 247-1290

Description for 2025 GMC Sierra 2500HD Denali Ultimate Truck

The 2025 GMC Sierra 2500HD Denali Ultimate represents the highest tier of refinement and capability in GMCs heavy-duty truck lineup. Built for those requiring substantial towing power while prioritizing interior luxury and advanced technology, this model pairs a Duramax 6.6L V8 Turbo Diesel engine with a 10-speed automatic transmission and a robust 4WD system. Its 2-speed active transfer case, hill descent control, and the X31 Off-Road Package enhance off-road performance and traction in demanding environments.

This Denali Ultimate edition showcases signature design elements such as the Vadar Chrome grille, LED smoked amber roof marker lamps, and a factory-applied spray-on bedliner featuring the GMC logo. Functional features include a 120-volt power outlet in both the bed and the instrument panel, LED cargo lighting, a power sliding rear window with defogger, and rear wheelhouse liners, all supporting the practical demands of daily use or jobsite readiness.

Towing and trailering technologies are comprehensive. This model includes the Gooseneck/5th Wheel Prep Package, trailer camera provisions with trailer viewing software, a trailer tire pressure monitoring system, Trailer Side Blind Zone Alert, and HD Surround Vision. A bed view camera further assists in aligning and monitoring trailer connections. Integrated ultrasonic front and rear park assist and Rear Cross Traffic Alert add to driver confidence during low-speed maneuvers.

Inside the crew cab, the Sierra 2500HD Denali Ultimate delivers premium comfort with Alpine Umber leather seating and a full suite of technology. Front seats offer heating and ventilation, while rear outboard seats are heated. The driver benefits from a multicolor 15-inch head-up display and an inside rearview auto-dimming camera mirror, both part of the comprehensive Technology Package. Wireless charging, wireless Apple CarPlay and Android Auto, a 12-speaker Bose Premium Series audio system, and SiriusXM with 360L keep connectivity and entertainment top-tier. Controls are ergonomically placed, including a manual tilt/telescoping steering column and a floor-mounted center console.

Convenience and security are enhanced through keyless open and start, a remote vehicle starter system, universal home remote, and the Unauthorized Entry Theft-Deterrent System. Rain-sensing wipers, a power sunroof, and deep-tinted glass further elevate the premium driving experience.

For added assurance, every vehicle at Walt Massey comes backed by the 3 Day Money Back Guarantee. If you return the vehicle within three business days before 5 p.m. CST in like new condition and with fewer than 300 miles driven, you may exchange it without penalty. If you exceed 300 miles, a \$1.00 per mile usage fee will apply. This policy ensures you can purchase with confidence, knowing your satisfaction is guaranteed.

Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $1000 - Buick & GMC Select Market Incremental Consumer Cash. Exp. 06/30/2025 $500 - GM Military Cash Allowance Program. Exp. 01/02/2026


 

Comfort and Convenience

Air Conditioning
Auto-dimming Door Mirrors
Auto-dimming Rear-View Mirror
Bed View Camera W/2 Trailer Camera Provisions
Driver Vanity Mirror
Front Dual Zone A/C
Full Grain Leather Seat Trim
Inside Rearview Auto-Dimming Rear Camera Mirror
Keyless Open & Start
Leather Steering Wheel
Manual Tilt-Wheel/Telescoping Steering Column
Occupant Sensing Airbag
Passenger Vanity Mirror
Power Moonroof
Power Sunroof
Remote Keyless Entry
Remote Vehicle Starter System
Tilt Steering Wheel
Universal Home Remote
 

Entertainment

12 Speakers
AM/FM Radio: SiriusXM With 360L
Bose Premium Series 12-Speaker System
Radio: AM/FM W/Premium GMC Infotainment System
Steering Wheel Audio Controls
Steering Wheel Mounted Audio Controls
 

Exterior

16-Way Power Driver Seat Adjuster W/Lumbar
16-Way Power Passenger Seat Adjuster W/Lumbar
4-Wheel Disc Brakes
Alloy Wheels
Auto High-beam Headlights
Block Heater
Body Color Wheel Arch Moldings (LPO)
Bumpers: Body-color
Deep-Tinted Glass
Delay-off Headlights
Electric Rear-Window Defogger
Front Anti-roll Bar
Front Fog Lights
Front Rain-Sensing Wipers
Front Reading Lights
Front Wheel Independent Suspension
Fully Automatic Headlights
Gooseneck/5th Wheel Prep Package
Heated Steering Wheel
LED Cargo Area Lighting
LED Smoked Amber Roof Marker Lamps
Low Tire Pressure Warning
Power Front Passenger Windows W/Express Up/Down
Power Sliding Rear Window W/Defogger
Power Windows
Rain Sensing Wipers
Rear Reading Lights
Rear Step Bumper
Rear Wheelhouse Liners
Rear Window Defroster
Signature Denali Ultimate Grille In Vadar Chrome
Telescoping Steering Wheel
Trailer Tire Pressure Monitor Sensors
Variably Intermittent Wipers
Wheels: 20" Ultra-Bright Machined Aluminum
 

Interior

Front Bucket Seats
Front Center Armrest
Genuine Wood Dashboard Insert
Heads-Up Display
Heated 2nd Row Outboard Seats
Heated Driver & Front Outboard Passenger Seats
Heated Front Seats
Heated Rear Seats
Memory Seat
Multicolor 15" Diagonal Head-Up Display
Outside Temperature Display
Power Driver Seat
Power Passenger Seat
Rear Seat Center Armrest
Safety Alert Seat
Split Folding Rear Seat
Trip Computer
Ventilated Driver & Front Passenger Seats
Ventilated Front Seats
 

Mechanical

120-Volt Bed Mounted Power Outlet
120-Volt Instrument Panel Power Outlet
2-Speed Active Transfer Case
Buckle To Drive
Driver Door Bin
Driver Memory
Dual Heavy-Duty 70 Amp Battery
IntelliBeam Automatic High Beam On/Off
Off-Road Suspension
Power Door Mirrors
Power Steering
 

Safety

ABS Brakes
Brake Assist
Dual Front Impact Airbags
Dual Front Side Impact Airbags
Electronic Stability Control
Overhead Airbag
Traction Control
Ultrasonic Front & Rear Park Assist
 

Other

2 Charge-Only Rear USB Ports
2 Charge/Data USB Ports Inside Center Console
2 USB Ports
220-Amp Alternator
3.42 Axle Ratio
Apple CarPlay/Android Auto
Automatic Emergency Braking
Automatic Temperature Control
Compass
Emergency Communication System: OnStar
Floor-Mounted Center Console
Following Distance Indicator
Forward Collision Alert
Front License Plate Kit
Front Pedestrian Braking
Garage Door Transmitter
Genuine Wood Door Panel Insert
HD Surround Vision
Heated Door Mirrors
Hill Descent Control
Hitch Guidance W/Hitch View
Illuminated Entry
In-Vehicle Trailering System App
Lane Departure Warning System
OnStar Services Capable
Overhead Console
Panic Alarm
Passenger Door Bin
Pickup Box
Preferred Equipment Group 5SB
Push Button Start
Rear Cross Traffic Alert
Security System
SiriusXM W/360L Trial Subscription
Speed Control
Speed-sensing Steering
Spray-On Pickup Bedliner W/GMC Logo
Tachometer
Technology Package
Trailer Cam Provisions & Trailer Viewing Software
Trailer Side Blind Zone Alert
Turn Signal Indicator Mirrors
Unauthorized Entry Theft-Deterrent System
Voltmeter
Wireless Charging
Wireless Phone Projection
X31 Off-Road Package

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* Note: We always do our best to provide the most accurate and up-to-date information, however, we cannot be held responsible for anything that is listed incorrectly. For new vehicles, price listed does not include accessories. Please contact the dealer/seller for official pricing and vehicle information, and with any questions that you might have. Displayed prices generally do not include taxes and other fees.