2025 GMC Sierra Heavy Duty Redesign & Specs. The upcoming 2025 GMC Sierra Heavy Duty is expected to receive a considerable facelift. According to what we currently know, the GMC will introduce a new front fascia and numerous modifications on the back. On top of that, the interior will get a couple of upgrades and even changes under the hood are most likely.
The manufacturer postponed this design due to the pandemic, so major upgrades are the only way to go. This 2023MY will take place quickly, and the 2025 Sierra HD must hit the roads next fall, per reports. It will be an amazing model so here is everything we understand at the moment.
Spy Shots
The next 2025 GMC Sierra Heavy Duty spy images have just appeared. Considering that the model is greatly camouflaged, we don’t fully recognize the new design. We did observe that the front and rear parts appear to be new. The face is significantly bigger, with new headlights and a new grille. The back part appears to have likewise gotten an overhaul with new tail lamps and a rear bumper.
Even the entry-level design has a pleasing and modern design. The glamorous Denali trim level, on the other hand, is exceptionally pricey and premium for a reason. Aside from the previously mentioned improvements, the next design will likewise have new wheels, colors, and optional plans.
Towing Capacity, Transmission
The forthcoming 2025 GMC Sierra Heavy Duty is likely to use the exact same engine options as the outgoing model. However, a lot of sources claim that the truck will get additional power. A standard 6.6-liter V8 engine with 400 horsepower and 465 lb-ft of torque is available as requirement. This engine has an RWD setup and a 6-speed automatic transmission.
According to the speculations, this gas unit will now produce about 450 horsepower. An optional 6.6-liter turbodiesel engine with approximately 445 horsepower and 910 lb-ft of torque is optional. Only a 10-speed Allison transmission with a diesel motor is used. The basic engine has a towing capability of 18,500 pounds, while the optional diesel has a pulling capacity of about 36,000 pounds. Those figures might increase in the future, although this is not official yet.
GMC Sierra Heavy Duty Interior
The cabin of the upcoming 2025 GMC Sierra Heavy Duty designs is exceptionally comfy because of the premium products utilized. Up previously, every Sierra HD featured a base 8-inch infotainment system that could be upgraded to a substantially bigger one. The truck has USB-C ports along with phone connections for Apple CarPlay and Android Auto.
Higher trim levels will, obviously, have more basic devices. Larger displays, boosted Bose audio, leather upholstery, and other features are all included in the Sierra HD Denali design. Unfortunately, spy photos of the interior didn’t reveal much, though we expect a couple of substantial upgrades.
Read More : 2025 Ford F-350 Super Duty
2025 GMC Sierra Heavy Duty Price, Release Date
From what we know, the new 2025 GMC Sierra Heavy Duty will begin at $42,500 and go up from there. The lineup includes Sierra 2500HD and Sierra 3500HD models and the sales will probably start in the 2nd half of 2023.
