The 2015 Chevrolet Silverado HD was introduced today, featuring new interior and exterior styling and a host of features designed to make the truck more capable than ever.
“Heavy-duty pickups are tools that people use to tow heavy trailers and haul big loads,” said Jeff Luke, executive chief engineer. “A great tool like the new Silverado HD pickup doesn’t just get the job done, it makes the work easier, and helps you feel more confident tackling the really tough jobs.”
Updates on the new Silverado HD include: new exterior styling with enhanced cooling air flow; integrated cruise control, auto grade braking and diesel exhaust braking (on diesel versions) for easier towing; a 6.0L bi-fuel V-8, which can run on gasoline or compressed natural gas (on certain models); standard StabiliTrak and Trailer Sway Control for improved trailering; additional interior space, amenities and storage areas; and new 6.5- and 8-ft. boxes with standard CornerStep bumpers, EZ Lift and lower tailgates, to make cargo handling easier.
The Silverado HD’s all-new exterior offers improved aerodynamics, which also reduce wind noise and improve cooling, allowing for greater power under tough conditions, the company says.
“The passion we have for trucks is reflected in every line and powerfully sculpted machined surface of the HD Chevrolet,” said Tom Peters, design director. “From the dramatic sculpture of the one-piece structural bumper, to its muscular hood and side profile, the design reflects a function-driven solution.”
Also contributing to a quieter ride are new inlaid doors, which fit into recesses in the body side, the company claims. Even small details like the roof and tailgate spoiler were put to test in the wind tunnel.
Engineers also improved air flow to provide better cooling, particularly when heavy loads are being towed in hot weather. Air inlets have been resized to reduce drag and improve efficiency, the company says. Meanwhile, the front end has been sealed to ensure that air entering the engine intake remains cool.
“It is one thing to generate big power numbers in cool weather, and quite another to maintain power and torque when towing up a long grade on a blistering summer day,” said Luke. “We think customers will appreciate all of the work that went into the cooling for the new Silverado HD when they get a chance to really put it to the test.”
Designed for towing
The new Silverado HD also integrates the cruise control, auto grade braking and diesel exhaust brake functions, allowing drivers to maintain a set speed up and down grades, even when towing heavy loads in hilly terrain.
“The customer sets the desired speed, and the truck will do the rest – increasing or decreasing power, downshifting to increase engine braking, and engaging the exhaust brake on the diesel engine,” said Luke. “You feel much more confident and in control, because you aren’t constantly working to stay a step ahead of the truck and trailer.”
Drivers can activate auto grade braking by pressing and holding the Tow/Haul button on the shifter for three seconds. The transmission will then automatically downshift when required to enable engine braking to help slow the vehicle. Standard StabiliTrak and Trailer Sway Control help keep the trailer steady and easier to handle. These features will be standard on all Silverado HDs, including the 3500 dually.
Payload and towing capabilities have been increased over the 2014 models. Maximum payload is 7,374 lbs, up from 7,222 lbs and the best of any HD pickup, according to Chevrolet. Maximum available conventional towing is 19,600 lbs, up from 18,000 lbs. With a fifth wheel, the Silverado HD can pull 23,200 lbs, up from 22,500 lbs.
Inside the cab
Also new are the cabs and interiors, which provide greater comfort for drivers and passengers, the company claims.
“Whether they use their truck as their office or travel cross country with a big trailer in tow, owners of HD pickups often spend long days behind the wheel,” said Luke. “The quiet, comfortable, connected interior of the 2015 Silverado HD reflects an intense focus on the way truckers live and work.”
The cab is stronger, with nearly two-thirds of the structure made from high-strength steel. The redesigned doors feature triple seals to further mute road and wind noise. The rear doors on the crew-cab models are larger, making entry and egress easier. There’s also a new double-cab model, with forward-hinged rear doors, in place of the previous extended cab.
Under the hood
The Silverado HD will be offered with three engines. The Duramax 6.6L turbodiesel and Allison 1000 six-speed automatic transmission will be offered on the 2500 and 3500. This combination will be rated at 397 hp and 765 lb.-ft. of torque.
The standard engine on all Silverado HDs is the 6.0L Vortec gas V-8, with continuously variable valve timing, mated to a six-speed automatic transmission. It is rated at 360 hp and 380 lb.-ft. of torque. A 322-hp version of the engine is standard on all 3500 models.
There’s also a bi-fuel 6.0L V-8, which can be run on gasoline or compressed natural gas. This engine will be offered in all three models: regular cab; crew-cab; and double-cab.