3/25/2023 0 Comments Goodyear trailrunner at reviews![]() The fanciest alternatives from Ram overshadow the GMC largely thanks to their significantly more upscale look and feel. While there's an abundance of soft touch surfaces throughout, and most models benefit from durable plastics, the top-of-the-line Denali falls woefully short of its luxury billing. Unfortunately, the cabin's panel fits and material quality are mediocre at best. The Sierra's interior can also be optioned with a head-up display, a heated steering wheel, heated-and-cooled front seats, and wireless charging. Most models have a split-folding front bench that can be replaced with a pair of bucket seats and a full center console. Inside, the Sierra 2500HD and 3500HD have a huge dashboard that hosts user-friendly switchgear. Those who stick with the GMC's standard gas-fed V-8 should expect to see even worse fuel economy than the diesel option. For comparison, the diesel-powered Silverado 2500 LTZ crew cab and Ram 2500 Tradesmen regular cab diesels we tested both managed 19 mpg. ![]() We've only tested a Sierra 2500HD Denali with the diesel engine, which earned 17 mpg on the highway. Since the EPA doesn't test vehicles as heavy as the Sierra HD and its gigantic competitors, we can only judge their real-world mpg on our highway fuel-economy route. The Sierra 2500HD is only offered with a single-rear-wheel axle, and its burliest version is good for 3979 pounds of payload and 18,500 pounds of towing. However, those massive capacities require the diesel engine, regular cab, rear-wheel drive, and dual-rear-wheel axle. The strongest Sierra 3500HD can carry 7442 pounds in its cargo bed and pull as much as 35,500 pounds. Michael Simari | Car and Driver Towing and Payload Capacity The trail-ready AT4 model is a more-rugged take on the commonly chrome-riddled rig, with an off-road suspension and a locking rear differential to go with its otherwise blacked-out aesthetic. Though its steering is vague at highway speeds the Sierra nonetheless feels more agile than its heavy-duty competitors. The gigantic GMC also has an agreeable ride quality for its breed. Together they helped the 2500HD Denali we tested achieve impressively quick acceleration times. The engine is surprisingly refined, and the transmission is very responsive. However, there's no arguing that the Duramax/Allison combination is a highlight of the heavy-duty Sierra, and it's a no-brainer for those who regularly tow substantial loads. While we've only driven the diesel variant, we did sample the gas-burning powertrain on the internally identical Chevy Silverado 2500HD and appreciated its dutiful behavior. You can also specify either a single- or dual-rear-wheel axle (known as a "dually"). The optional Duramax diesel 6.6-liter V-8 cranks out 445 ponies and 910 pound-feet of twist, and it works through an Allison 10-speed automatic. It pairs with a six-speed automatic transmission and rear- or four-wheel drive. The Sierra HD comes standard with a gas-powered 6.6-liter V-8 that generates 401 horsepower and 464 pound-feet of torque. The Driver Alert packages are also worth adding because they make the behemoth easier to live with thanks to assists such as blind-spot monitoring, lane-departure warning, and front and rear parking sensors. We'd pick the SLT Convenience package that includes front bucket seats with ventilated cushions, heated rear seats, and a power-sliding rear window. It also unlocks more options than the lesser SLE trim. The SLT comes standard with GMC's versatile MultiPro tailgate, a heated steering wheel, heated front seats, power-adjustable front seats, and remote start. ![]() Instead, we'd recommend picking the SLT trim level and adding four-wheel drive and the diesel V-8. We'd steer clear of the rugged AT4 and chrome-laden Denali models despite their enhanced appearance. We'd start with start with the crew cab and choose the standard bed on the Sierra 2500HD. Previously, the lowest trim level was simply referred to as the Sierra. The only difference that stands out is that the entry-level work truck is now called the Pro. What's New for 2022?įor 2022, the Sierra 2500HD and 3500HD don't receive any significant changes. What’s more, those competitors offer nicer interiors or more driver assists-or both. The Sierra 2500 HD can tow up to 18,500 pounds and the 3500HD can haul up to 35,500 pounds, but those max ratings are eclipsed by rivals’. As good as they are, though, the 2022 Sierra 2500HD and 3500HD are outclassed by the Ford Super Duty and Ram HD. They offer a powerful and refined Duramax diesel, a neat multifunction tailgate, and myriad trailer-assist technology. Sure, both the 2500HD and 3500HD versions can be covered in chrome and outfitted with rich leather, but even in their fanciest form the GMC twins are tremendously capable. ![]() Don't let the top-of-the-line Denali trim fool you, the 2022 GMC Sierra HD is more workhorse than show pony. ![]()
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