2025 GMC Sierra 3500 HD
2025 GMC Sierra 3500 HD in Lawton, OK
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2025 GMC Sierra 3500 HD
The 2025 GMC Sierra 3500 HD is a powerhouse built to handle the toughest jobs while delivering advanced technology and premium comfort. With its commanding presence, remarkable towing capacity, and refined interior, it’s a heavy-duty truck that balances capability with sophistication. Whether you're hauling equipment across Lawton or driving through the rugged terrain near Chickasha, the Sierra 3500 HD is engineered to excel in every situation. Its bold design, cutting-edge features, and enduring strength make it a top choice for those who demand more from their truck.
Trim Levels (Exterior)
The 2025 GMC Sierra 3500 HD offers a range of trim levels, each designed with a distinct blend of rugged capability and upscale style. From the practical Pro trim to the luxurious Denali, every version showcases a bold front grille, signature LED lighting, and an aggressive stance. Higher trims feature chrome accents, power-retractable running boards, and unique wheel designs that enhance the truck’s premium appearance. Functional elements such as trailering mirrors, bed steps, and the innovative MultiPro Tailgate provide both convenience and utility, ensuring the truck is ready for work or play.
Engine (Power)
At the heart of the 2025 Sierra 3500 HD is a lineup of powerful engines engineered to tackle the toughest challenges. The standard 6.6-liter V8 gasoline engine delivers impressive horsepower and torque, while the available Duramax® 6.6-liter Turbo-Diesel V8 takes performance to the next level with enhanced towing capability and fuel efficiency. Paired with an advanced Allison® 10-speed automatic transmission, the powertrain provides smooth shifts and optimal power delivery. Whether hauling heavy loads or navigating steep terrain, the Sierra 3500 HD offers the strength and reliability needed to get the job done.
Performance
Built to perform under demanding conditions, the 2025 GMC Sierra 3500 HD features a robust suspension system and an advanced trailering package that enhances control and stability. The available four-wheel-drive system ensures exceptional traction on challenging surfaces, while the heavy-duty chassis provides a solid foundation for maximum payload capacity. Trailer Sway Control and integrated brake assistance contribute to a confident towing experience, while the truck's responsive steering and braking systems make it surprisingly maneuverable for its size. Whether driving through Altus or tackling off-road trails, the Sierra 3500 HD offers a balanced blend of power and precision.
Interior
Inside the 2025 Sierra 3500 HD, drivers will find a spacious and well-appointed cabin that combines comfort with functionality. Premium materials, such as available leather upholstery and open-pore wood trim, create a refined atmosphere, while ample headroom and legroom ensure long-haul comfort. The infotainment system, featuring a large touchscreen display with smartphone compatibility, offers seamless connectivity through Apple CarPlay® and Android Auto™. Available heated and ventilated seats, wireless charging, and an advanced driver information display further enhance the driving experience, making the Sierra 3500 HD as comfortable as it is capable.
Safety Features
GMC has equipped the 2025 Sierra 3500 HD with an array of advanced safety features designed to provide peace of mind on every journey. Forward Collision Alert, Lane Departure Warning, and Rear Cross Traffic Alert are among the standard driver-assistance technologies that enhance awareness and prevent potential hazards. The available HD Surround Vision system offers a comprehensive view of the truck’s surroundings, making parking and maneuvering easier in tight spaces. With a high-strength steel frame and strategically placed airbags, the Sierra 3500 HD prioritizes safety without compromising performance.
Final Takeaways
The 2025 GMC Sierra 3500 HD at SouthWest Buick GMC is the perfect blend of power, luxury, and advanced technology. Whether you're navigating the streets or taking on tough workloads in Marlow, this heavy-duty truck offers the strength and sophistication to meet any challenge. With its premium features and robust performance, the Sierra 3500 HD stands as a reliable and versatile companion for both work and everyday driving in Duncan.
*Photos may not represent actual vehicle (options, colors, trim, and body styles may vary). All pricing and details are believed to be accurate; however, we do not warranty or guarantee such accuracy. The Manufacturer's Suggested Retail Price and/or Southwest Price excludes tax, title, license, dealer fees, optional equipment, and non-optional equipment. Specifications, descriptions, pricing, and equipment are subject to change without notice. Dealer sets final price. Call or email for complete information.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.