The 2015 GMC Sierra HD All Terrain adds more off-road goodies to the package

GMC introduced a new version of its redesigned 2015 Sierra HD called the All Terrain variant, which obviously by virtue through its name, is an off-road biased version of GMC’s big and tough Sierra full-size HD beast.

Because the All Terrain package is specifically available with the Sierra HD, that means the brand’s potent gasoline 6.0L V8 sits under the front hood while the more desired Duramax turbodiesel is also available as an option. That said, one must opt for the 2500HD or the 3500HD Sierras while the pickups can be configured with double and crew cabs. The changes amount to a standard electronically controlled transfer case, the Z71 Off-Road package, Rancho twin-tube shock absorbers, hill-descent control, and an under-body skid plate.

Separating the All Terrain Sierra HD’s appearance from lesser Sierras are standard 18-inch chrome cast-aluminum wheels with optional 20-inch versions, a chrome surround for the grille, special badging, and more.

For full details, check out the press release below. Sales commence this summer.

 

 

GMC Introduces 2015 Sierra All Terrain HD

2014-05-21

DETROIT – GMC today introduced the 2015 Sierra All Terrain HD, a refined, off-road-inspired execution of the brand’s capability that blends exclusive design features with the versatility of 4WD. It goes on sale this summer.

“The new 2015 GMC Sierra HD lineup helps customers tackle tough jobs more comfortably, and with the new All Terrain HD, they can do it with greater style,” said Duncan Aldred, vice president of GMC Sales and Marketing. “Equally comfortable whether it’s a night on the town or traversing a remote job site, it has all the capability that customers demand from a GMC heavy-duty truck on the job.”

The new Sierra All Terrain HD is available on 2500HD and 3500HD double cab and crew cab models, and is offered with SLE or SLT trims – all with 4WD, of course, including an electronically controlled transfer case. Also included is the Z71 Off Road package, with Rancho twin-tube shocks, hill descent control and a skid plate.  

Sierra HD’s 6.0L gas engine is standard and the Duramax turbo-diesel is available.

The All Terrain’s exclusive design features include a chrome surround on the grille, exterior graphics, aluminum underbody shields and unique 18-inch six-spoke chrome cast-aluminum wheels. Twenty-inch chrome aluminum wheels are available on 2500HD, while 3500HD models also include adjustable outside camper mirrors with a chrome cap.

Additional exterior content includes light-emitting diode signature headlamps, body-color bumpers (chrome bumpers available), chrome mirrors covers and body side moldings and chrome front-lower bumper plate. Inside, a carbon fiber-inspired theme distinguishes the All Terrain from other models and includes the ALL TERRAIN logo on the instrument cluster. A rearview camera system also is standard.

The new All Terrain HD also includes the latest connectivity technology, including IntelliLink and new OnStar with 4G LTE and standard built-in Wi-Fi hotspot. Enhanced features for IntelliLink include Text Messaging Alerts for smartphone users with Bluetooth profile (M.A.P.), which reads incoming texts through the vehicle’s speakers, and Siri Eyes Free for iPhone iOS 6 and iOS 7 users to enhance connectivity and convenience.

New OnStar with 4G LTE connection provides a mobile hub for drivers and passengers to stay connected. The hotspot is on whenever the vehicle is on and comes with a three-month/three-gigabyte data trial.

Additional new and enhanced features introduced on the 2015 Sierra HD lineup include:

  • CornerStep rear bumper, EZ Lift and Lower tailgate, standard locking tailgate, standard upper tie-downs and other features that make cargo handling easier
  • Standard StabiliTrak with Trailer Sway Control on all models
  • Integrated cruise control, auto grade braking and diesel exhaust braking, for greater driving control and reduced brake wear on grades
  • Enhanced cooling airflow, which enables the Duramax turbo diesel and 6.0L gas engine to better maintain full power, even under heavy loads and high ambient temperatures
  • New Duralife™ disc brake rotors that offer up to double the service life (late availability).

New, heated, power-adjustable trailering mirrors are offered on SLE and SLT – including All Terrain – and Denali (late availability), including segment-first back-up lamps. The large mirrors feature 51 square inches of flat mirror surface positioned over a 24.5-square-inch non-heated or power-adjustable convex mirror surface. A new auxiliary back-up lamp is integrated in each mirror to enhance trailer visibility when backing up, as well as an amber auxiliary clearance lamp. The SLE trailering mirror is black and can be extended and folded manually. The SLT/Denali mirror has a chrome cap and adds a power-folding feature.

The 2015 Sierra HD also offers segment-exclusive safety features such as forward collision alert, lane departure warning with an active safety seat, and front and rear park assist. Head-curtain and seat-mounted side airbags are standard on 2500HD and available on 3500HD models.

All models are backed by GMC Pro Grade Protection, with two years of scheduled maintenance – including diesel exhaust fluid – a three-year/36,000-miles bumper-to-bumper warranty and a five-year/100,000-mile powertrain warranty. 

 

About GMC
GMC
has manufactured trucks since 1902, with innovation and engineering excellence built into all GMC vehicles.  The brand is evolving to offer more fuel-efficient trucks and crossovers, including the Terrain small SUV and Acadia crossover. GMC’s highest-volume vehicle, the Sierra pickup, is the most powerful light duty pickup on the market, and the first full-size pickup to receive the highest possible five-star Overall Vehicle Score for safety since the National Highway Traffic Safety Administration changed its New Car Assessment Program for the 2011 model year. Details on all GMC models are available at http://www.gmc.com/, on Twitter at @thisisgmc or at http://www.facebook.com/gmc.

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Chris Chin

Chris Chin is the Editor-In-Chief of egmCarTech and is a regular contributor to Automobile Magazine.

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