GMC is one of the most popular truck brands in America, and it's easy to see why. Models like the Sierra HD lineup are known for their dependable driving performance, formidable towing and payload capacities, and even interior comfort and technology. Best of all, there's even more to expect from the latest 2021 GMC heavy-duty trucks, including the Sierra 2500 and Sierra 3500 full-size pickups. They aren't just tough-looking; they're strong enough to get the job done while also making for a comfortable ride.
However, if you've never owned a large, heavy-duty GMC truck, you may not know all of the benefits of owning one. Don't plenty of trucks tow their fair share of weight and carry as much payload as you can fit into their bed and cabin? That's technically true, but trucks are more complicated than that. GMC's heavy-duty pickup trucks - the Sierra 2500, Sierra 3500, and Denali editions - are designed to not only carry more weight but also perform well when you're transporting a heavy tow or payload.
The differences between GMC's lineup of heavy-duty trucks and other light-duty trucks come down to engine power, performance, value, and high-end fixings to tie it all together in a beautiful package. Take a look at the heavy-duty offerings from GMC, one of America's most reliable truck brands, to find out which option may be best for you. Whether you're looking for a recreational tower to pull an RV and sports equipment or need a work truck that can handle construction materials and other bulk items, there's a GMC heavy-duty truck designed for you.
The lightest and best-value edition of GMC's heavy-duty trucks, the Sierra 2500 comes standard with a 6.6-liter V-8 gas-powered engine. Step on the gas to feel it generate 401 hp and 464 lb-ft of torque. Its six-speed automatic transmission connects to a rear-wheel drive or all-wheel drive system, and its independent front suspension offers crisp, tight steering. If you want more torque for even more towing capability, upgrade your 2021 Sierra 2500 with the available Duramax V-8 engine, which pushes an intense 910 lb-ft of torque through an Allison 10-speed automatic transmission.
Whichever powertrain you choose, any new Sierra 2500 pickup accelerates well, handles with agile steering, and feels lighter than it is - the ultimate balance of power and outstanding driving. You can even upgrade the Sierra 2500 with the AT4 trim for off-road-capable features like mud-terrain tires, specially tuned suspension, a locking rear differential to steady your drive, and a rugged look that's ready for what's off the beaten path. Or, for greater luxury, upgrade the Sierra 2500 to the top-tier Denali trim - but we'll get to that later. If you just want a simple, no-fuss truck that can get the job done, the base model 2021 GMC 2500 is a great buy, and of the trucks on this list, it starts at the lowest price with an MSRP of $35,900.
If you want a powerful work truck that's still affordable, this is the best option for you. Tougher than the standard GMC Sierra 1500 - which is already quite a capable machine - but not as souped-up as the top of the line Sierra 3500, the Sierra 2500 is the perfect balance of high-quality toughness and an affordable price. You can't get that level of value from any other truck on the market this year.
The big brother to the already capable Sierra 2500, the latest Sierra 3500 is designed for the toughest jobs. Test its limits, and you'll find that there's almost nothing it can't tow or haul. As with all GMC trucks, the 2021 Sierra 3500 is available in multiple cab and bed configurations, each offering different levels of interior space and bed space so you can tune your truck to your preferred specifications.
Let's get down to numbers because this is where the Sierra 3500 shines. With this potent HD truck, you get a max bed payload of 7,442 lbs and a max towing capacity of 36,000 lbs. For the most drivetrain power to pull maximum weight, upgrade to the diesel engine, regular cab, rear-wheel drive, and dual-rear-wheel axle setup. Don't worry if you're new to heavy-duty trucks and aren't sure what all of these specifications do for you. Simply talk to the team here at Rick Hendrick Buick GMC Duluth about your towing needs; we'll help you spec out a 2021 Silverado 3500 that will perfectly meet your needs.
Overall, the 2021 GMC Sierra 3500 is the more capable vehicle for heavy-duty work, but the Sierra 2500 is slightly more balanced. Take home the Sierra 3500 if you need the toughest, most dependable work truck out there, or buy the Sierra 2500 if you want a more agile passenger vehicle that's also able to carry its fair share of weight. Both trucks are excellent heavy-duty vehicles, but a good value means getting the truck that's catered to your priorities.
Maybe you want more than a great-value truck. Maybe you want the most luxurious heavy-duty truck there is. In that case, upgrade either 2021 GMC Sierra HD truck to the Denali trim. The Denali is named for North America's largest peak, a majestic height that few can access and even fewer can traverse. Taking inspiration from this natural wonder, GMC has built the 2021 Sierra HD Denali to perfectly balance strength and beauty.
The Denali model is a significant upgrade that improves on the base models' exterior, interior, built-in technology, and more. It's the pinnacle of truck engineering, starting with its excellent engines: a 6.6L V-8 gas engine with an electronically-controlled automatic transmission or a 6.6L Duramax Turbo-Diesel V-8 paired to a 10-speed Allison automatic transmission. Enhanced brakes and a high-strength chassis improve the 2021 Sierra HD's performance while carrying heavy loads.
As for the interior, upscale details and technology create a luxurious experience; drive in style while your truck does all the hard work you need to accomplish. Enjoy a premium cabin with elegant open-pore ash wood and brush aluminum accents, additional interior color options, Forge perforated leather seats, a power sunroof, and more. Meanwhile, an optional Head Up display helps you monitor your drive without taking your eyes off the road.
Take advantage of the MultiPro tailgate, which comes standard with the Denali edition of the latest Sierra HD trucks. With this revolutionary tailgate technology, you can shift the truck's tailgate into various formations, including a step ladder, workbench, and flatbed. Its carbon-fiber-reinforced paneling is durable and tough, too, so it can handle some rough treatment and still come out looking sharp.
The Denali edition of the 2021 Sierra HD also makes towing and transporting cargo even easier, thanks to its advanced camera technology. Features include 360-degree views, truck bed views, and even a "transparent" option that allows you to "see through" your trailer to view what's behind you. Multiple other camera views make safe driving easy from the highway to the job site so that you can transport your goods, equipment, another vehicle, or even just yourself and your family with ultimate peace of mind.
Add to that the advanced safety technology features like blind-spot monitoring, forward-collision warning, lane-departure warning, and rear cross-traffic alert, and you have one of the safest trucks around. Make no mistake: the Denali may have elegant looks, but it's still one of the toughest trucks on the market. The Sierra Denali HD works just as hard as any other 2021 GMC Sierra 2500 or 3500 - it just looks good doing it and treats its passengers to a luxury car level of comfort.
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