Explore the 2025 GMC Sierra HD: Where Performance Meets Style

May 09, 2025 · 3 min read

Shopping for a truck that can go the distance, tow the heaviest of loads, and has all the convenience features and amenities necessary to ensure that all your time on the road feels like a luxury experience? You'll love the new 2025 GMC Sierra HD. This truck has the safety features, power, and amenities to make life on the road luxurious, accommodating, and more convenient.

The Options

The new GMC Sierra HD is available in several trims: the PRO, the SLE, the SLT, the AT4, the Denali, the AT4X, and the Denali Ultimate. Drivers who want a truck that's the epitome of luxury and power will love the Denali Ultimate, the highest trim available with the most amenities and features. This trim includes all the Denali standard features plus customization options.

It's equipped with a Duramax 6.6L Turbo-Diesel V8 engine with an Allison 10-speed automatic transmission, an available auxiliary trailer camera, an exclusive Alpine Umber interior, full grain leather seating, open pore Palsao wood finishes, and massage seats with 16-way power settings. It also has a Signature Vader chrome grille, 20-inch machined aluminum wheels, and illuminated power assist steps.

The Advanced Trailering Technology

Trailering and towing have never been easier thanks to the GMC Sierra HD's advanced trailering tech system. The ProGrade Trailing Tech consists of several intelligent technologies that will make hitching and towing heavy loads seamless and improve driver confidence and visibility throughout the process. It also has up to 14 different available camera views and adaptive cruise control with a trailering system that simplifies the towing process.

The Driver Amenities

When it comes to driver amenities, the new Sierra HD doesn't disappoint. Drivers can enjoy an added level of luxury and comfort in the 16-way power front seats that have massage capabilities, to make life on the road and even time in traffic feel stress-free.

The interior is outfitted with top-of-the-line materials like full-grain leather. The Denali Ultimate trim even has unique laser edge topographical map patterns. These trucks also have best-in-class crew cab front head and legroom, ensuring that passengers of all heights can enjoy time spent in the front or back.

The Technology

These trucks have the latest in GMC vehicle technology and feature a 13.4-inch digital center tablet-style touchscreen that serves as the centerpiece of the cabin, a 15-inch diagonal multicolor head-up display that projects vehicle information onto the windshield, and a 12-inch diagonal color driver information center where you can access vehicle information.

If you want a truck that knows no limits but also has an added level of luxury, you'll love everything about the new GMC Sierra HD lineup. Visit us today at Holloway GMC in Portsmouth, NH to see the new GMC Sierra HD models in person and begin the custom order process.

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Aug 11, 2026 in GMC Trims

GMC Denali vs. AT4 vs. Elevation for New England Driving: Which GMC Trim Is Right for You?

When shopping for a new GMC vehicle, choosing the right trim level can be just as important as choosing the right model. GMC offers several trim options designed for different types of drivers, including Elevation, AT4, and Denali. For drivers in New England, the right GMC trim often depends on how you use your vehicle. Do you need something comfortable for daily commuting? Are you looking for added capability during winter weather? Or do you want a premium driving experience with advanced features? Understanding the differences between GMC Denali vs. AT4 vs. Elevation for New England driving can help you choose the GMC truck or SUV that best fits your lifestyle. more GMC Elevation: A Great Choice for Everyday Driving The GMC Elevation trim is a popular choice for drivers who want a modern GMC vehicle with bold styling, useful features, and everyday comfort. It offers a balance of capability and value, making it a great option for commuting, errands, family driving, and weekend activities. For many New England drivers, Elevation models provide everything they need without adding features they may not use. If your typical driving includes highways, city streets, and daily trips around town, an Elevation trim may be the right fit. GMC Elevation models are a good match for drivers who want: A stylish and capable GMC vehicle Modern technology and convenience features Comfortable daily driving Strong value GMC AT4: Built for New England Weather and Adventure New England weather can bring plenty of challenges, from snowy roads in the winter to changing conditions throughout the year. GMC AT4 models are designed for drivers who want additional capability and confidence when heading off the beaten path. AT4 trims are popular with drivers who enjoy outdoor activities, towing, camping, and exploring areas beyond paved roads. The rugged design and available capability-focused features make AT4 models a strong choice for drivers who want their GMC to handle more than everyday commuting. GMC AT4 models are ideal for drivers who want: Added confidence in changing weather conditions Outdoor adventure capability Rugged styling Additional capability for towing and recreation GMC Denali: Premium Comfort and Advanced Features For drivers who want a more refined GMC experience, Denali trims deliver premium materials, advanced technology, and upscale design. Denali models combine GMC capability with luxury-inspired features that make daily driving and long trips more comfortable. Whether you are commuting, taking family road trips, or spending hours behind the wheel, Denali provides a more premium experience. GMC Denali models are a great choice for drivers who prioritize: Premium interior features Advanced technology Comfortable highway driving A luxury-focused GMC experience Which GMC Trim Is Best for New England Driving? The best GMC trim depends on what matters most to you. If you are looking for a practical GMC vehicle that is comfortable for everyday driving, Elevation may be the best choice. If you need extra capability for winter weather, outdoor adventures, or more challenging roads, AT4 may be the better option. If you want premium comfort, advanced features, and a more luxurious driving experience, Denali may be the right fit. There is no single GMC trim that is best for every driver. The right choice depends on your daily routine, driving conditions, and the features that matter most to you. Explore GMC Trucks and SUVs at Holloway GMC in Portsmouth, NH At Holloway GMC, drivers can explore GMC models featuring Elevation, AT4, and Denali trims. Whether you are searching for a capable truck, a family-friendly SUV, or a premium GMC vehicle, our team can help you compare options and find the right fit. Visit Holloway GMC in Portsmouth, NH, to explore available GMC models and discover which trim is best for your New England driving needs.

Jul 29, 2026 in 2026 GMC Sierra 1500

Half-Ton GMC Sierra 1500: Why It's the Right-Sized Truck for New England

Are you searching for a capable half-ton truck to conquer New England roads? The 2026 GMC Sierra 1500 delivers uncompromising performance. Holloway GMC in Portsmouth, NH, invites you to experience how this full-size pickup easily manages heavy loads and daily commutes. Reach out to our team today to learn more and schedule a test drive. more What Makes the GMC Sierra 1500 a True Half-Ton Workhorse GMC built the Sierra 1500 for real-world capability. The standard TurboMax engine generates 310 horsepower and 430 pound-feet of torque to provide confident pulling power for everyday tasks and weekend adventures. Drivers needing extra muscle can choose an available 5.3L V8 or a 6.2L V8 paired with a 10-speed automatic transmission. Each engine delivers the responsive power necessary for climbing steep grades or towing heavy loads to the lake. GMC Sierra Towing Capacity That Gets the Job Done The impressive GMC Sierra towing capacity stands out in the half-ton class. A properly equipped Double Cab 2WD standard bed model featuring the available Duramax 3.0L Turbo-Diesel engine and Max Trailering Package tows up to 13,300 pounds. This light-duty truck offers serious capability. If you are pulling a camper through Vermont foliage country or hauling a landscaping trailer across the Seacoast region, the Sierra 1500 brings the necessary power. The available ProGrade Trailering System adds integrated tools to simplify hitching and monitoring your trailer. A Trim for Every Kind of New England Driver The Sierra 1500 lineup ranges from the practical Pro to the premium Denali Ultimate. The AT4 and AT4X trims provide genuine off-road capability with a factory 2" suspension lift, underbody skid plates, and Rancho monotube shocks. The Denali and Denali Ultimate trims introduce a luxury-level interior to the full-size truck segment. Available features include heated and ventilated front seats, real wood trim accents, and a 12-speaker Bose© Premium Series audio system. Every trim delivers a thoughtfully built half-ton truck blending comfort and capability. Technology and Safety Built for Modern Driving Inside the GMC Sierra 1500, over 40" of combined driver-focused digital displays, along with standard Apple CarPlay© and Android Auto© compatibility, keep you connected. The available Super Cruise© hands-free driver assistance technology allows for relaxed highway driving on compatible roads. Up to 14 available camera views help you navigate tight spaces and manage trailer positioning confidently. The GMC Pro Safety suite adds collision-avoidance and driver assistance features to increase awareness on highways or narrow back roads. Visit Holloway GMC to Find Your Sierra 1500 The 2026 GMC Sierra 1500 combines towing strength, advanced technology, and a broad trim range to create a highly well-rounded half-ton truck. Drivers across the New England region trust this pickup to conquer daily tasks. Browse our online inventory at hollowayauto.com to explore the full lineup and compare trims. The Holloway GMC team in Portsmouth, NH, is ready to help you find the perfect configuration and get you behind the wheel.

GMC Yukon XL SUV driving on a mountain road.

Jul 14, 2026 in GMC Dealer Portsmouth NH

2026 GMC Yukon XL: The Best Full-Size SUV for Portsmouth's Adventurers

If you need a reliable full-size SUV for school runs and weekend getaways, the 2026 GMC Yukon XL demands your attention. Offering a commanding presence and a spacious three-row interior, this vehicle brings professional-grade capability to drivers who refuse to compromise. Contact the team at Holloway GMC in Portsmouth, NH, to discover how this exceptional SUV can elevate your daily drive. more What Makes the 2026 GMC Yukon XL Stand Out The 2026 GMC Yukon XL provides a longer wheelbase than the standard Yukon, adding roughly 15" of extra length. This design creates a genuinely usable third row and expansive cargo space. Passengers experience a substantial, smooth ride on city streets and open highways. GMC built the Yukon XL with features for comfort and function, delivering a refined interior, premium seating, and advanced technology to keep everyone connected on long hauls. Trim Levels Built Around Your Lifestyle The Yukon XL lineup features a variety of trims, including the AT4 and Denali, providing excellent options to suit your specific driving needs. The AT4 offers impressive off-road capability alongside everyday versatility. The Denali delivers a luxury-forward experience with upscale materials and premium comfort enhancements. The Yukon XL accommodates up to nine passengers, making it easy to haul your family or tow a trailer to the Lakes Region. You get all this capability without sacrificing style. Technology and Capability in One Package Available Super Cruise© hands-free driver assistance technology elevates your highway driving experience. The cabin features a large touchscreen infotainment display with Apple CarPlay© and Android Auto© compatibility. With built-in OnStar©, the Yukon XL easily meets modern expectations for in-vehicle technology. Equipped with robust engine options, including the available 6.2L V8, this SUV handles serious towing. It easily navigates historic streets and pulls heavy loads toward the Piscataqua River. The 2026 GMC Yukon XL Is Ready for Whatever Comes Next From daily commutes to rugged weekend adventures, the 2026 GMC Yukon XL meets the needs of active families. With its spacious layout, capable towing capacity, and premium trims, it easily earns its place in your driveway. The team at Holloway GMC in Portsmouth, NH, is ready to help you find your perfect configuration. Stop by the dealership or browse our digital inventory online to explore your financing options and schedule a test drive today.