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Whether you have things to tow, haul, or need a rugged truck for serious off-roading, you can't go wrong with a 2025 GMC Sierra HD model. From heavy-duty performance to advanced technologies, this year's lineup is packed with bold features you'll love. Pro-Grade Towing and Hauling The Sierra HD lineup comes standard with a 6.6L V8 gas engine that delivers pro-grade hauling power. Maximum payload capacities range between 3,788 and 7,237 lbs, depending on the configuration and trim. An available 6.6L V8 turbo-diesel engine tunes the truck for heavy-duty towing, with max trailering capacities varying from 22,390 lbs in the Sierra 2500 HD to 36,000 lbs in the Sierra 3500 HD. Heavy-Duty Trailering Provisions Whether you opt for the gas or the turbo-diesel engine, each Sierra HD model comes well-equipped for towing. GMC's Trailering Package, which is standard across the lineup, includes a hitch, hitch platform, connectors, wires, and hitch guidance, to name a few. In-vehicle trailering apps are optional and allow you to enhance your truck with a trailering checklist as well as trailer maintenance reminders and security alerts. more Bold Appearance A massive, unapologetic exterior design makes this truck perfect for those who want to stand out. Chrome front and rear bumpers and an iconic grille design create a flashy appearance. Animated LED projector headlights with integrated daytime running lights and LED turn signal indicators will make you feel more connected to the vehicle. For easier bed access, the rear bumper integrates a CornerStep. Upscale Comfort The Sierra HD is available in a range of cab varieties, but they all provide premium comfort. In the three- and six-passenger configurations, the spacious front bench includes under-seat storage. Five-passenger configurations with front bucket seats and rear under-seat storage are also available, so you can easily customize the cabin to suit your needs. Upholstery materials vary from heavy-duty vinyl and cloth to luxurious leather. Advanced Tech Features Built for commercial and other heavy-duty applications, this truck also comes with an advanced infotainment system. The seven-inch center touchscreen provides access to Bluetooth phone control and audio streaming, as well as next-gen smartphone integration with Apple CarPlay and Android Auto. Each trim also includes Wi-Fi hotspot capability, so you can keep your crew connected and entertained. Smart Driver Assistance All Sierra 2500 HD models come standard with the Sierra HD Pro Safety Package, a suite of driver assistance technologies that includes a wide range of anti-collision and lane management features. Front pedestrian braking and automatic emergency braking can also keep you nearly worry-free behind the wheel. The Sierra 3500 HD models come with the Pro Safety Plus Package, which adds trailer coverage and rear cross traffic alerts, among others. Ready to schedule your test drive? Contact us today at Sommer's Buick GMC in Mequon, WI.

The 2025 GMC Sierra EV is a versatile electric truck ready to handle your hauling and towing needs. It impresses with a huge cabin, advanced tech features, and vehicle-to-home capability that allows you to transform it into a power generator. 2025 GMC Sierra EV Performance The 2025 Sierra EV is a full-size electric truck with a standard four-wheel drive layout and two battery options. Its standard extended-range battery provides 645 horsepower and 785 pound-feet of torque in Max Power mode. That's plenty of spirit for confident highway overtaking and rugged off-roading. If you enjoy high-speed driving, the max-range battery pack delivers up to 760 horsepower, enabling you to accelerate from 0 to 60 mph in under 4.5 seconds. more Range and Charging Regardless of the battery you choose, this truck can take you far on a single charge. The standard battery pack has an estimated range of 390 miles, while the max-range battery can power through up to 460 miles per charge. Both batteries support 800V fast-charging at speeds up to 300 kW or 350 kW, respectively. Versatile Utility With an almost six-foot bed and a cargo volume of 57.50 cubic feet, this electric truck can haul bulky cargo like a champ. GMC also equips it with a MultiPro tailgate and midgate, two features that add flexibility. With the midgate open and the tailgate adjusted for maximum length, the bed can fit items up to 10'10" long. Utility doesn't stop at hauling cargo. This truck also boasts vehicle-to-home capability, which means you can use it as a backup power generator during blackouts. Moreover, a 7.2 kW AC offboarding power station can power up your off-grid workplace or campsite. Advanced Tech Features From driving enhancement to driver assistance, connectivity, and entertainment, this truck is packed with advanced tech features. Selectable drive modes, including 4-Wheel Steer and CrabWalk, adjust performance for easier maneuverability. The Super Cruise driver assistance technology allows you to drive hands-free on compatible roads. A Google-based infotainment system makes navigation a breeze with Google Maps, while SiriusXM with 360L enhances your driving experience with quality music and shows. Full-Size Towing Power The Sierra EV is a great off-roader and is also great for towing, with a trailering capacity of 10,500 pounds. That's plenty of power for a wide variety of cargo, toy, and camper trailers. Luxe Cabin and Comfort With its luxurious cabin, this truck also allows you to enjoy your time behind the wheel. Heated and ventilated front seats provide year-round comfort, while passengers can stay toasty in cold weather thanks to the heated rear seats. The front seats also have multiple power adjustments and driver's side memory. A Super Cruise steering wheel adds convenience, alerting when entering and leaving compatible hands-free zones. A heads-up display is also standard, so you can check driving information without taking your eyes off the road. To try all these features yourself, visit our showroom at Sommer's Buick GMC in Mequon, WI.

GMC trucks are legendary for the rugged styling, hard-working capability, and elevated features that distinguish the brand from its competitors. The 2025 GMC Sierra 1500 opens the next chapter of automotive excellence from GMC's line of light-duty full-size trucks, providing many impressive details that set it apart from the crowd. Versatile Power and Efficiency Thanks to Four Engine Options Thanks to four versatile engine options, the Sierra 1500 is perfect for any purpose, whether it's traveling around town or hauling heavy loads to the jobsite. The base engine is the innovative and efficient TurboMax, which generates 310 horsepower and 430 foot-pounds of torque when paired with an 8-speed electronically controlled automatic transmission. Available in either RWD or 4WD, the Sierra can handle any task required with power and efficiency. For those who prioritize V8 power, there's a 5.3-liter EcoTec3 V8 that churns out 355 horsepower and 383 foot-pounds of torque, and an even larger 6.2-liter V8 that produces 420 horsepower and 460 foot-pounds of torque. Both V8 powerplants are paired with a 10-speed electronically controlled automatic transmission. There's even a 3.0-liter Duramax turbo diesel available for diesel aficionados that offers 305 horsepower and 495 foot-pounds of torque. more Impressive Towing and Payload Hauling Capabilities The towing and payload capabilities of the Sierra 1500 are impressive, whether you're transporting people and gear in the cab, hauling a bed full of building materials, or towing a boat to the nearest body of water. The Sierra comes with a standard 6.5-foot bed that offers 71.7 cubic feet of cargo volume and a maximum payload capacity of 2,530 pounds when properly outfitted. The towing capacity of the Sierra 1500 gives it the power to pull heavy loads with ease, with a maximum capacity of up to 13,300 pounds with the proper equipment. A robust lineup of tow-friendly features and accessories streamlines the task of trailering even further, and those features include options like the ProGrade Trailering System, hitch guidance, hitch view, an in-vehicle trailering app, built-in trailer hardware, and auxiliary trailering cameras. Incredible Infotainment and Driver Assistance Technology Modern technology is thoroughly embraced in the Sierra 1500 through its many safety, driver assistance, and infotainment systems. It includes many innovative driver assistance features, which helped it secure a 5-star overall safety rating from the National Highway Traffic Safety Administration. Those features include the Pro Safety system, forward collision alert, lane keeping assist, automatic emergency braking, and following distance indicator. The infotainment features in the Sierra 1500 include the GMC Premium Infotainment System, built-in Google compatibility, a 7-inch color touchscreen display, a 3.5-inch driver information center, Wi-Fi hotspot capability, and Apple CarPlay and Android Auto connectivity. The Sierra 1500 embodies everything a driver could want in a full-size truck, with multi-purpose power, rugged good looks, and a range of helpful features that keep occupants safe and connected. Contact Sommer's Buick GMC of Mequon, WI, today to schedule a test drive.