The 2025 GMC Sierra HD: Ready for Serious Work

The 2025 GMC Sierra HD meets the rigorous demands of truck owners who rely on powerful, capable pickups for daily work. This capable hauler comes in a broad range of trims to suit every need and lifestyle. Let’s explore how the Sierra HD gets drivers ready for serious work.
Maximum Capability Unlocked
Two powerful engines are offered. The standard engine is a 6.6L V8, which delivers 401 hp and 464 lb-ft of torque. It’s paired with a 10-speed automatic transmission. For increased power and torque, the 6.6L Duramax Turbo-Diesel V8 is available, offering 470 hp and 975 lb-ft of torque. When properly equipped with the diesel engine, the Sierra 3500HD can tow up to 36,000 pounds using a gooseneck hitch, while the 2500HD can haul 22,500 pounds.
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Combustion and the continuous movement of hundreds of engine components generate intense heat, which is swiftly removed by your Buick’s cooling system. Heat removal is essential, as sustained high temperatures can quickly damage sensitive engine components. As your Buick dealership, we want to tell you a few signs you need to visit us for a cooling system service.
Jammed Thermostat
The engine works most efficiently and effectively at temperatures between 185°F and 230°F. When the engine temperature reaches 180°F, the thermostat opens and releases coolant. The coolant is then pumped through the engine at high speed, absorbing engine heat as it moves. The heat is then transported to the radiator, where it’s removed by heat exchange with cooler air flowing in through the radiator grille.
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Your vehicle’s suspension system is responsible for ensuring you can enjoy a smooth, comfortable ride with easy handling. When your suspension system is off, you should promptly schedule a suspension check at your Buick dealership to repair issues so that you can enjoy reliable vehicle performance. Check out the top signs you need for suspension repair to see if it’s time to book a service appointment.
1. Steering Difficulty
Increased difficulty steering your vehicle is a major sign of suspension trouble. Steering difficulty can make it harder to keep your vehicle centered in your lane or cause you to put more effort into turning the wheel. Sometimes, the root cause of steering difficulty is related to low power steering fluid, while other times, your suspension system can be to blame.
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The 2025 GMC Sierra EV is the Sierra 1500’s quicker and more efficient younger sibling. The truck can be fashioned with incredible amounts of luxury, making it pleasingly comfortable and highly advanced.
Top-of-the-Class Performance
All Sierra EV models come standard with all-wheel drive. The pickup’s electric motors can produce a massive 760 horsepower and 785 lb-ft of torque when in max power mode. The motors’ powerful kick can be harnessed to reach 60 mph in just 4.5 seconds, which is an impressive feat for a truck of this size. The pickup’s strong powertrain also facilitates a 10,000-lb maximum towing capacity for effective trailering.
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A small SUV with turbocharged power, the 2025 GMC Terrain Elevation is a great choice for urban mobility and weekend adventures. With two powertrain options and lots of smart features, it can easily adapt to your needs.
The 2025 Terrain Elevation comes with a turbocharged 1.5L 4-cylinder engine under the hood, but your drivetrain choice determines its power and capabilities. With the standard front-wheel drive, it delivers 175 horsepower and 184 pound-feet of torque. This setup pairs with a continuously variable transmission that enhances shifting points to achieve maximum fuel economy ratings of 26 MPG in the city and 28 MPG on the highway.
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The 2025 GMC Yukon is a large, three-row SUV that offers buyers plenty of choice. Do-everything drivers will love the base Elevation trim, while off-roading enthusiasts will get excited about the AT4 trims. When only the finer things will do, the Denali trims are there to provide upscale luxury and comfort.
Go Big or Go Home
The Yukon has two sizing options: the standard wheelbase and extra-long wheelbase. The standard Yukon is 17.5 feet long and has 25.5 cubic feet of storage behind the third row. The extra-long Yukon is even more commanding, measuring over one foot longer than its sibling, and offering 16 cubic feet more storage space, along with two extra inches of third-row legroom.
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