2025 GMC Sierra HD Trucks for Sale at Bob Moore GMC

The GMC Heavy Duty is ready to get the job done. With impressive towing capacities, top-of-the-line technology, and luxury features, the Sierra HD is more than an everyday pickup truck. While related to the smaller GMC Sierra 1500, it presents a much beefier frame equipped to handle your biggest jobs. Business owners and casual drivers love the GMC Sierra HD, and part of the reason is its flexibility. Base-level Sierra HDs can be pretty bare-bones and performance-focused. However, you can equip them with luxury materials and features to rival any top-end luxury truck. We’ll cover the highlights of the Sierra 2500 and Sierra 3500, going over their features, capabilities, and more. If you’re eyeing one online, test drive a GMC Heavy Duty for sale with Bob Moore Buick GMC in Oklahoma City.

 

 

2025 GMC HD Powertrain, Towing Capacity & Payload Ratings

Every Heavy Duty Sierra comes standard with a 6.6L V8 Gas engine that makes 401 horsepower and 464 lb-ft of torque. At its best, this engine can tow up to 16,000 lbs, increasing to 18,700 lbs with a gooseneck. It supports a max payload of 3,580 lbs. For the most powerful engine, you’ll want to opt for the 6.6L Duramax Turbo-Diesel V8, which offers 470 horses and 975 lb-ft of torque. When equipped with a 3500, it can tow up to 36,000 lbs and support a payload of 7,290 lbs. Both engines are paired with a 10-speed automatic transmission that works with rear or four-wheel drive. While max capacity on your HD Sierra will vary based on the engine, model, and trim level you select, you’re always getting a baseline of raw power. Test drive a 2025 GMC Sierra 2500 for sale with Bob Moore GMC OKC.

2025 GMC Sierra HD Trim Levels & Configurations

The Sierra 2500 is a three-quarter-ton truck, and the Sierra 3500 is a full ton. The 2500 and 3500 are available with a regular, double, or crew cab. You can also get either a standard bed or a long bed. Both models are available across the following seven trim levels: 

 

Trim Level:	Starting MSRP:
2025 GMC Sierra Heavy Duty Pro	$46,300
2025 GMC Sierra Heavy Duty SLE	$50,400
2025 GMC Sierra Heavy Duty SLT	$60,100
2025 GMC Sierra Heavy Duty AT4	$71,000
2025 GMC Sierra Heavy Duty Denali	$73,900
2025 GMC Sierra Heavy Duty AT4X	$83,200
2025 GMC Sierra Heavy Duty Denali Ultimate	$92,800

 

For a workhorse that just needs to perform at a job site, we recommend sticking to one of the entry-level models. If you’re going to be driving around town in your GMC HD, try starting with the SLT, which offers heated seats, a heated steering wheel, and other creature comforts. Folks who want to take their truck off-road should consider the AT4 or AT4X, which offer off-road suspensions, skid plates, and more performance-oriented features. For the most luxurious experience, it has to be a Denali. Open-pore wood, polished aluminum, and perforated leather adorn the cabin, while ventilated and heated power front seats keep you comfortable all year round. Shop the 2025 GMC Sierra 3500 for sale today.

2025 GMC Sierra HD Technology & Safety

The Sierra is equipped with standard safety features like forward collision warnings, lane-departure and automated emergency braking. You can also add a head-up display, adaptive cruise control, and several other amenities that enhance your every day experience. The GMC Sierra HD offers a 13.4-inch  or 8.0-inch infotainment system that connects you to Apple CarPlay, Android Auto, and an available Bose stereo system. Explore your favorite tech features on your next GMC Sierra for sale at Bob Moore Buick GMC in Oklahoma City.

Test Drive a GMC Heavy Duty Truck for Sale in OKC

With workhorse power, top-end luxury features, and cutting-edge technology, the 2025 GMC Sierra Heavy Duty for sale does it all. If you’re looking for a “GMC Heavy Duty near me”, visit our OKC GMC dealership.