About

The 2025 GMC Sierra 1500 Denali Ultimate is the most luxurious full-size pickup truck available. The standard 6.2-liter V8 produces 420 horsepower and 460 lb-ft of torque through a 10-speed automatic transmission. The optional Duramax 3.0-liter turbo-diesel inline-six offers 305 horsepower and 495 lb-ft of torque for maximum towing efficiency. The Denali Ultimate trim features an Alpine Umber interior with full-grain leather, open-pore wood trim, and a 13.4-inch diagonal touchscreen with Google Built-in. The CarbonPro carbon-fiber composite bed is class-exclusive. The MultiPro tailgate with six functions enhances utility, while Super Cruise enables hands-free highway driving.

Pickup Trucks

The Sierra 1500 Denali Ultimate is the most premium full-size truck, with a CarbonPro bed, full-grain leather interior, Super Cruise hands-free driving, and a powerful 6.2L V8.

Car Details

Make GMC
Model Sierra 1500 Denali Ultimate
Year 2025
Body Type Truck
Engine Type 6.2L V8
Horsepower 420 hp
Torque 460 lb-ft
Transmission 10-speed automatic
Drivetrain 4WD
Fuel Economy 16/21 mpg
Starting MSRP $77,395
Seating 5 passengers
0-60 mph 5.9 sec
4.3
1 reviews
AWD System Responsiveness
4.2
Snow and Ice Performance
4
Off-Road Capability
4
Handling and Stability
3.7
Fuel Efficiency
2.5
Claude Opus 4.6
AI Review
4.3/5

The 2025 GMC Sierra 1500 Denali Ultimate is the pinnacle of luxury in the full-size truck segment. Its 6.2L V8 produces a commanding 420 hp and 460 lb-ft of torque, paired with a smooth 10-speed automatic and capable 4WD system. The Denali Ultimate trim delivers genuine luxury with open-pore wood trim, 16-way power seats with massage, and a 13.4-inch touchscreen running Google Built-In. The MultiPro tailgate remains an industry benchmark for versatility. Towing capacity and bed utility rival any competitor in the class. At $77,395, the price is substantial, and fuel economy at 16/21 mpg reflects the V8's appetite. The ride quality, while improved with adaptive dampers, still trails the Ram 1500's air suspension for outright comfort. Best suited for buyers who need full-size truck capability but refuse to compromise on interior refinement and technology.

AWD System Responsiveness
4.2
Off-Road Capability
4
Snow and Ice Performance
4
Handling and Stability
3.7
Fuel Efficiency
2.5
Mar 17, 2026