2024 GMC Sierra 3500HD

2024 GMC Sierra 3500HD Denali Ultimate overview and factory features

Overview
The 2024 Sierra 3500HD Denali Ultimate pairs heavy-duty capability with a high level of refinement. The truck is factory-equipped with the Duramax 6.6L Turbo-Diesel V8 rated at 470 horsepower and 975 lb-ft of torque, paired to an Allison 10-speed automatic transmission. That powertrain is designed for demanding towing and hauling while offering diesel fuel flexibility (biodiesel-capable) and the robust low-end torque associated with large-frame diesels.

Powertrain and towing
- Duramax 6.6L Turbo-Diesel V8 (biodiesel-capable) producing 470 hp and 975 lb-ft of torque.
- Allison 10-speed automatic transmission calibrated for HD towing.
- Integrated trailer-control hardware including an in-cab trailer brake controller.
- ProGrade Trailering System with built-in trailer profiles, trailer tire pressure/temperature integration (when equipped), and trailer maintenance reminders.
- Multiple factory camera views to aid hitching and towing, including close-view and trailer-mounted camera integration.

Exterior
- Denali-exclusive styling cues: signature chrome Denali grille treatment and premium exterior trim.
- Full LED lighting package (headlamps, daytime running lamps, taillamps) with LED fog lamps.
- Power-deployable running boards (where equipped) and large power-adjustable heated mirrors with integrated turn signals and camera compatibility for towing views.
- MultiPro tailgate standard multi-function tailgate design that offers selectable loading and access configurations.
- Heavy-duty frame and chassis hardware, available in single-rear-wheel or dual-rear-wheel configurations depending on factory build.
- Factory-installed alloy wheels sized and finished according to Denali Ultimate specification.

Interior and comfort
- Premium leather-appointed seating and upscale Denali interior finishes with contrast stitching and unique trim pieces.
- Power-adjustable front seats with driver memory; front seats are heated and ventilated.
- Heated rear outboard seats.
- Heated steering wheel and automatic dual-zone (or available tri-zone) climate control depending on configuration.
- Generous storage, large center console, and heavy-duty materials for durability in a working truck.

Infotainment and connectivity
- Large reconfigurable driver display (digital instrument cluster) and a high-resolution center touchscreen for infotainment and vehicle functions.
- Integrated navigation and GMCs infotainment software with physical and touch controls.
- Wireless Apple CarPlay and Android Auto compatibility and Bluetooth hands-free calling/streaming.
- In-vehicle Wi-Fi hotspot capability and multiple USB-A and USB-C ports throughout the cabin.
- Wireless charging pad and available premium audio system to suit the Denali level of refinement.

Safety and driver assistance
- GM Safety Assist suite including Forward Collision Alert and Automatic Emergency Braking.
- Lane Keep Assist with Lane Departure Warning and IntelliBeam automatic high-beam control.
- HD Surround Vision (multiple camera angles) and Rear Cross Traffic Alert.
- Blind Zone Alert with Trailer Side Blind Zone Alert and Rear Park Assist sensors to support towing and maneuvering.
- Available Adaptive Cruise Control with following distance indicator and stop/start capability (as factory-equipped).

Convenience and utility
- Remote keyless entry and remote start.
- Factory-installed power outlets in the bed and cabin area (where configured) for worksite power needs.
- Durable bed features including cargo tie-downs and available bed lighting.
- Multiple factory towing assist features such as hitch guidance, upfitter switches, and integrated trailer brake control.

The Denali Ultimat