Official: 2015 Chevy Silverado, GMC Sierra heavy duty trucks unveiled

Filed under: Truck, Chevrolet, GM, GMC, Misc. Auto Shows

2015 Chevy Silverado HD

2015 GMC Sierra HD
Proving just how important trucks are in the Lone Star State, General Motors has chosen the State Fair of Texas to reveal its new heavy-duty trucks from Chevrolet and GMC. Looking to take some of the wind out of the sails of the 2014 Ram HD and 2015 Ford F-Series Super Duty, the 2015 Chevy Silverado HD and 2015 GMC Sierra HD will have plenty to brag about when they go on sale in the first quarter of next year.

The bragging starts right up front with two available engines. The standard engine is a Vortec 6.0-liter V8 that produces 360 horsepower in the 2500HD and 322 hp in the 3500HD to go along with 380 pound-feet of torque in all applications. The true benefit of this powerplant is that buyers can opt for it to run on straight gasoline, E85 FlexFuel or even compressed natural gas (CNG). For maximum towing and even more flexibility, the 6.6-liter Duramax turbodiesel B20-capable V8 is the way to go, with its carryover 397 hp and 765 lb-ft of torque. Though the max towing abilities of 23,200 pounds (with a fifth-wheel trailer) are less than the 30,000-pound rating of the new Ram, the GM HD trucks offer better conventional trailer towing (19,600 pounds) and payload (7,374 pounds) than rival heavy-duty trucks…for now. The Duramax is paired with a six-speed Allison automatic transmission, while the gas engine gets GM’s six-speed Hydra-Matic – no manual transmissions are offered.

Including the engines, GM continues to offer a broad range of configurations (more than 150, to be exact) including three cabs, two cargo bed lengths, numerous trim levels and, of course, the choice of single- or dual-rear wheels on the 3500. The HD trucks have faces that are similar to their half-ton counterparts, with the exception of a larger grille and bigger for improved air flow, and like the current HD offerings, the new Silverado HD and Sierra HD DRW models feature a one-piece bed design incorporating the fender extensions.

Some unique-to-GM conveniences available on these HD trucks include the rear corner step bumper, optional in-bed LED lighting and the EZ Lift-and-Lower tailgate, features first made available on 1500 models. The Sierra HD will be offered in the top Denali trim level, but it doesn’t look like Chevy buyers will be able to get an HD version of the newly introduced Silverado High Country.

For more information, check out the press releases from Chevy and GMC posted below.

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2015 Chevy Silverado, GMC Sierra heavy duty trucks unveiled originally appeared on Autoblog on Thu, 26 Sep 2013 13:00:00 EST. Please see our terms for use of feeds.


About Jeffrey N. Ross