The 2025 GMC Sierra 2500HD Denali sits at the top of the heavy-duty pickup segment, blending exceptional strength with high-end luxury and premium craftsmanship. Built for drivers who demand maximum capability without compromising comfort or refinement, the Sierra 2500HD Denali is one of the most capable and upscale trucks available today. With strong towing and hauling performance, advanced driver-assistance technologies, and a striking design inside and out, it is ideal for both demanding work environments and elevated everyday driving.
Powerful Capabilities and Proven Performance
The 2025 Sierra 2500HD Denali is engineered to handle tough jobs and heavy loads with ease, offering two powerful and dependable engine options:
6.6L Gas V8 Engine (Standard)
Produces 401 horsepower and 464 lb-ft of torque
Paired with a 10-speed automatic transmission for smooth shifting and consistent power
Ideal for drivers needing reliable strength for towing, hauling, and everyday driving
Available 6.6L Duramax Turbo-Diesel V8
Generates an impressive 470 horsepower and 975 lb-ft of torque
Offers exceptional pulling power and long-distance durability
A perfect choice for serious towing, heavy equipment hauling, RV towing, and demanding job-site work
Both engines are mated to the refined 10-speed transmission, which helps maximize torque delivery, maintain optimal engine RPM, and provide a confident driving experience whether climbing steep grades or cruising on open highways.
Advanced Towing Capability
With the right configuration, the Sierra 2500HD Denali offers over 22,000 pounds of towing capacity, making it one of the strongest performers in the heavy-duty class. Drivers benefit from advanced trailering assistance tools, including multiple camera angles, hitch guidance systems, trailer brake integration, and profile customization that stores trailer types and settings for repeated use.
Bold and Luxurious Exterior Design
The 2025 Sierra 2500HD Denali features a commanding presence highlighted by exclusive design elements, giving it a premium yet rugged look.
Exterior Highlights
Denali-exclusive chrome grille with intricate detailing
Chrome accents throughout the body for an upscale appearance
LED headlights, fog lights, and taillights for enhanced visibility
Striking 18- or 20-inch alloy wheels depending on configuration
Body-color bumpers and premium trim finishes
Available MultiPro tailgate with six functional positions for loading, access, and working
High-strength steel bed with convenient tie-downs and available LED bed lighting
The exterior blends elegance with practicality, making the Denali as impressive on a job site as it is pulling up to a night out.
Premium Interior Designed for Comfort and Control
Step inside the 2025 Sierra 2500HD Denali, and youre greeted by a luxurious, quiet, and well-crafted cabin that feels more like a premium SUV than a traditional heavy-duty truck.
Interior Comfort Features
Premium leather seating with intricate stitching
Heated and ventilated front seats
Heated rear outboard seats
Heated leather-wrapped steering wheel
Power-adjustable front seats with lumbar support
Driver memory settings
Large center console with abundant storage
Sound-insulated cabin designed to minimize road and engine noise
The cabin is roomy and comfortable for all passengers, offering excellent visibility and thoughtful ergonomics that support long-distance travel and high-demand work days.
Advanced Digital Technology and Connectivity
The 2025 Sierra 2500HD Denali is equipped with cutting-edge technology designed to improve convenience, safety, navigation, and entertainment.
Infotainment and Tech Features
Large touchscreen infotainment system with crisp gra
Used 2025 GMCSierra 2500HD Denali Truck Crew Cab
On the Lot
Blaise Alexander Chrysler Dodge Jeep Ram FIAT of Lewisburg
- Exterior Color
- Onyx Black
- Interior Color
- Black
- Odometer
- 11,183 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- Automatic
- Engine
- 8
- VIN
- 1GT1UREY2SF136030
- Stock Number
- QU1625
GMC
Sierra 2500HD
Highlighted Features
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
- Front dual zone A/C
- Auto high-beam headlights
Standard Specifications
- 1-touch down
- 1-touch up
- Adaptive Cruise Control
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system
- Front beverage holders
- Front dual zone A/C
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Surround View Monitor: HD Surround Vision w/Hitch View yes
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless Phone Charger: front
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Genuine wood dashboard insert
- Genuine wood door panel insert
- Heated front seats
- Heated rear seats
- Leather upholstery
- Massaging driver lumbar support
- Massaging passenger lumbar support
- Max seating capacity: 5
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Block heater
- Compressor: intercooled turbo
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Horsepower: 470hp @ 2,800RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 32
- Rear locking differential
- Recommended fuel: Diesel
- Standard fuel economy fuel type: gasoline
- Torque: 975 lb.-ft. @ 1,600RPM
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 257mm (10.1")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Door mirrors: chrome
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Tailpipe finisher: polished
- Trailer hitch
- Trailer sway control
- Turn signal indicator mirrors
- Compression ratio: 16.00 to 1
- Curb weight: 3,506kg (7,729lbs)
- Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
- Engine displacement: 6.6 L
- Engine horsepower: 470hp @ 2,800RPM
- Engine torque: 975 lb.-ft. @ 1,600RPM
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,027mm (79.8")
- Exterior length: 6,369mm (250.8")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Payload: 1,625kg (3,583lbs)
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Towing capacity: 8,391kg (18,500lbs)
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,039mm (159.0")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera cargo
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Exterior parking camera right
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: UltraSonic front and rear
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross-Traffic Alert warning
- Security system
- Traction control
Dealer Notes
* The advertised price does not include sales tax, vehicle registration fees, other fees required by law, finance charges and any documentation charges. A negotiable administration fee, up to $464, may be added to the price of the vehicle.
* Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness.
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