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

If you need a truck that can handle the jobsite by day and tackle rugged terrain on the weekend, you need to check out the 2026 GMC Sierra 2500 HD AT4. It blends heavy-duty performance with off-road hardware in a package that does not ask you to compromise. For drivers in Portsmouth, NH, this truck is a compelling option if you haul trailers, tow heavy loads, or simply want the confidence of knowing your truck can handle anything the road - or trail - throws at it. What Makes the 2026 GMC Sierra 2500 HD AT4 Built for Off-Road The AT4 trim is GMC's off-road-focused package, and on the Sierra 2500 HD, that means hardware designed to perform. The 2026 GMC Sierra 2500 HD AT4 comes equipped with a factory-installed 1.5-in suspension lift, skid plates to protect key underbody components, Multimatic® DSSV Dampers, Rancho® shocks, and an off-road-tuned chassis that gives you added ground clearance when the pavement ends. These aren't cosmetic upgrades - they are functional features that make a difference when terrain gets uneven or unpredictable. The AT4 also brings a locking rear differential and hill descent control, two features that are important when you are driving on loose gravel, steep grades, or through mud. Paired with all-terrain tires, the 2026 GMC Sierra 2500 HD AT4 is engineered to go further than a standard heavy-duty truck. Heavy-Duty GMC Truck Performance You Can Count On Beyond the off-road capabilities, this is still a heavy-duty GMC truck built to work. The Sierra 2500 HD is available with powerful engine options, including a 6,6 L Duramax® diesel that delivers 470 hp and 975 lb-ft of torque, the kind of torque serious towing and hauling demands. It has a max towing capacity of 20,000 lbs for conventional trailering and 21,390 lbs for gooseneck/fifth-wheel trailering. It has a max available payload of 3,524 lbs. Interior Comfort and Technology Capability does not mean you have to give up comfort. The AT4 interior brings a well-appointed cabin with heated and ventilated front seats, power front seats with massaging features, and a modern layout. The13.4-in touchscreen keeps navigation, audio, and vehicle settings easy to manage, and available connectivity features like wireless charging and a built-in Wi-Fi hotspot keep you linked to what's important. GMC Sierra 2500 HD AT4 features extend to driver assistance and safety technologies as well, including available camera systems that make hitching trailers and navigating tight spaces significantly easier. Why the 2026 GMC Sierra 2500 HD AT4 Belongs on Your Shortlist When you need a truck that does it all - off-road readiness, serious towing, and daily drivability - the 2026 GMC Sierra 2500 HD AT4 stands out from the crowd. It is a vehicle that earns respect on every kind of terrain. Stop by or visit us to explore the 2026 GMC Sierra 2500 HD AT4 and find the right configuration for your needs. The team at Holloway GMC is ready to help drivers throughout Portsmouth, NH find the heavy-duty truck that fits their lifestyle and gets the job done right.

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.

If you are shopping for a new truck at Holloway GMC in Portsmouth, NH, deciding between the 2026 GMC Sierra 2500 HD and the Sierra 1500 comes down to your workload. Both pickups deliver strong performance and advanced technology, but each targets a distinct set of driver needs. Comparing their capabilities, powertrains, and interior features will help you choose the right fit for your lifestyle. Capability: How Much Work Do You Need to Do? The main distinction between the 2026 GMC Sierra 2500 HD and the Sierra 1500 is towing and payload capacity. The heavy-duty Sierra 2500 HD targets drivers with demanding trailering needs, easily handling large commercial loads, equipment, and heavy campers. The 2026 Sierra 1500 offers impressive capability for a light-duty truck. When properly equipped with the available Duramax 3.0 L Turbo-Diesel engine, it tows up to 13,300 pounds. That capacity handles most recreational trailers, boats, and everyday hauling demands with ease. Engine Options: Power That Fits Your Needs The 2026 GMC Sierra 2500 HD focuses on heavy-duty performance, delivering high torque and sustained power for demanding job sites. The Sierra 1500 features a versatile engine lineup. The standard TurboMax engine produces 310 horsepower and 430 pound-feet of torque. Drivers seeking extra power can select the available 5.3 L V8 or 6.2 L V8, both mated to a 10-speed automatic transmission. The available Duramax 3.0 L Turbo-Diesel engine adds efficient power for long highway drives. Interior Comfort and Technology Both models provide refined cabins across their trim lineups. The Sierra 1500 features a spacious crew cab with generous front head and legroom. Available features from the entry Pro trim up to the Denali Ultimate include leather-appointed seating, heated and ventilated front seats, and a 13.4" diagonal multicolor touchscreen. The 2026 GMC Sierra 2500 HD shares these premium interior features. Available technology across both models includes Super Cruise© hands-free driver assistance, up to 14 camera views, and the ProGrade Trailering System. Standard Apple CarPlay© and Android Auto© integration keep you connected on the road. Which Truck Is Right for You? Your daily routine determines the right choice. If you routinely tow heavy equipment or large fifth-wheel trailers, the Sierra 2500 HD delivers the necessary heavy-duty framework and power. If you want a versatile vehicle for family driving, weekend trips, and moderate trailering, the Sierra 1500 provides a balanced mix of efficiency, comfort, and utility. Explore Your Options at Holloway GMC Holloway GMC in Portsmouth, NH, offers a full selection of new light-duty and heavy-duty trucks. Visit the showroom to compare the 2026 GMC Sierra 2500 HD and Sierra 1500 side by side, review trim options, and take a test drive. You can also view current inventory to find your next truck.