- Both the GMC 2500HD and 3500HD have updated interior and exterior styling for model year 2024.
- V-8 Duramax diesel models boost horsepower and torque, while their gas-drinking counterparts add a 10-speed automatic transmission.
- GMC has added Denali Ultimate trim to the top of its rugged line-up and announced the Off-Road AT4X will join the ranks later this year.
Rugged GMC Sierra 2500HD and 3500HD All-new for 2024 with a redesigned front end, sleeker interior and new transmission.Two additional trim levels for off-road adventures and a comfortable work truck experience HD truck buyers now have more choice.
GMC is adding to its heavy-duty truck power numbers, the arms race, by updating the 2024 Sierra 2500HD and 3500HD. However, the power figures for the 6.6-liter V-8 engine remain unchanged for 2024. The mighty V8 engine continues to produce 401 horsepower and 464 lb-ft of torque. The change is that GMC has done away with the old 6-speed automatic transmission in favor of his 10-speed automatic shared with Diesel. GMC claims the new transmission better fits the engine’s power curve.
The 6.6-liter Duramax V-8 diesel makes 470 horsepower, makes very close to 1000 lb-ft of torque, and puts out 975 lb-ft. Those numbers are up from the outgoing model’s 445 horsepower and 910 lb-ft. GMC says the extra power (and efficiency) comes thanks to a number of upgrades to the engine, including a more efficient turbocharger that helps produce 25% more low-end torque than current-generation trucks. The 2500HD and 3500HD have maximum towing ratings of 22,500 lbs and 36,000 lbs. Choosing the 2500HD Crew Cab variant sacrifices 600 pounds of towing capacity for a maximum figure of 21,900.
Heavy-duty work trucks are, first and foremost, for work. But GMC is known for adding premium touches to make it work well. Whether we’re talking about the rugged version or the half-ton version, the Sierra has long been the higher-end alternative to its sibling Chevrolet his Silverado. The new addition, the Denali Ultimate, features exclusive 20-inch machined aluminum wheels with gloss black accents. The interior has open-pore Paldao wood that accompanies full-grain leather found throughout, with nice features like massage seats and a power sunroof. Aesthetic touches include a unique grille with GMC badging finished in Vader chrome and special fender he badging featuring Denali Mountain terrain. A little more unexpected are the redesigned headlights. It plays animations when the driver approaches the vehicle, turns it on, or uses turn signals.
There are six new paint choices and new wheel designs for SLE, AT4, and Denali trim. The rugged Sierra interior adds an optional large 13.4-inch center display and a new optional 12.3-inch digital instrument cluster. All but the base Pro trim level infotainment system integrate Google apps and wireless Apple CarPlay and Android Auto capabilities. There’s also a new 15-inch multi-color head-up display.
The Sierra HD already had the expected safety aids, such as forward collision and lane departure warning systems, but now adds (optionally) rear cross-traffic braking and trailer-side side blind spot monitoring. increase. At the heart of a heavy truck with this kind of towing capacity are some new trailing assist features. Cameras help the driver line up the hitch or his five wheels. It also mounts an optional accessory camera to the rear of the trailer to help the driver see what’s behind them. Also new are adaptive cruise control while in the trailer and alerts to the driver when the gross vehicle weight rating of the truck is exceeded.
Fancy some off-road fun?fancy offroad
We have high hopes for the AT4X, but we won’t see this off-road Sierra HD model until late 2024. The rest of the rugged Sierra trucks—Pro, SLE, SLT, AT4 (pictured above), Denali and Denali Ultimate, are expected to arrive in dealerships in the first quarter of 2023. GMC won’t announce pricing until closer to the launch date, but current Sierra 2500HD models start in the $40,000 range in Denali trim. Soaring well above $70,000. Denali Ultimate is expected to far surpass that number.
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https://www.caranddriver.com/news/a41519435/2024-gmc-sierra-heavy-duty-revealed/ 2024 GMC Sierra HD brings luxury and muscle