2025 GMC Sierra HD Denali
2025 GMC Sierra HD Denali OVERVIEW 
2025 GMC Sierra HD Denali For Sale
- 20" Ultra-Bright machined wheels with bright chrome inserts*
- Denali-exclusive authentic open-pore wood, patterned aluminum trim and forge perforated leather seating surfaces
- 12-way heated and ventilated power front seats
- StabiliTrak, electronic stability control system with traction control
2025 GMC Sierra HD Denali MODELS
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Sierra HD Denali
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Sierra HD Denali Ultimate
GMC Sierra HD Denali For Sale
2025 GMC Sierra HD Denali PERFORMANCE 
6.6L V8 GAS ENGINE
Sierra HD Denali’s standard 6.6L V8 gas engine is paired with the Allison 10-speed automatic transmission, to help optimize power, torque and efficiency.
ADAPTIVE CRUISE CONTROL* WITH TRAILERING*
This feature allows the luxury heavy-duty truck’s Adaptive Cruise Control to account for additional drag and increased braking distances when towing a trailer.
PROGRADE® TRAILERING TECH
This advanced suite of available intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of confidence and visibility.
2025 GMC Sierra HD Denali APPEARANCE 
BOLD DENALI GRILLE
Stand out everywhere you go with Sierra HD Denali’s signature chrome grille, front bumper and exterior design.
20" DENALI WHEELS
Sierra HD Denali stands out with 20" Ultra-Bright machined wheels with bright chrome inserts.*
SPRAY-ON BEDLINER
Help protect the bed and enhance its style with durable cargo bed protection featuring a GMC logo.
2025 GMC Sierra HD Denali COMFORT 
PREMIUM DENALI INTERIOR
Sierra HD Denali’s interior distinguishes itself with aluminum trim, chrome accents, embroidered Denali logo and authentic open-pore walnut wood detailing.
16-WAY POWER FRONT SEATS
Experience serious comfort in Sierra HD Denali Ultimate’s best-in-class* 16-way power front seats with massaging feature.
12.3" DIAGONAL COLOR DRIVER INFORMATION CENTER
Control and customize important vehicle, driving and infotainment content in high-resolution clarity.
12-SPEAKER BOSE SOUND SYSTEM
The technologically advanced available 12-speaker Bose* Premium Series with Centerpoint* surround sound helps create a concert-like listening experience.
2025 GMC Sierra HD Denali SAFETY & WARRANTY 
PRO GRADE PROTECTION
Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:
- 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
- 5-year / 60,000-mile Powertrain Limited Warranty
- 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
- 3-year / 36,000-mile Corrosion Protection
- 6-year / 100,000-mile Rust-Through Protection
- First maintenance visit
REAR CAMERA MIRROR
Rear Camera Mirror uses a camera to provide you a wide and less obstructed view behind the vehicle while you’re driving. You can switch between the camera view and a traditional rear-view mirror.
FOLLOWING DISTANCE INDICATOR
Following Distance Indicator displays the gap time in seconds between your vehicle and a detected vehicle you’re following. This can help you decide if you’re following much too closely.
LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT*
Lane Change Alert with Side Blind Zone Alert can provide side-mirror visual alerts when a detected moving vehicle is quickly approaching or is in your side blind zone. It can help you avoid lane change collisions.