Η GMC παρουσίασε επίσημα το 2015 Sierra All Terrain HD. Το μοντέλο, που στην ουσία είναι ένα πακέτο πάνω στο 2500 HD και το 3500 HD ξεχωρίζει από αυτά με τα χρωμιωμένα διακοσμητικά, τα αλουμινένια προστατευτικά πατώματος, τα “All Terrain” σήματα και τις αποκλειστικές για την έκδοση ζάντες ελαφρού κράματος 18 ιντσών. Το αυτοκίνητο, διαθέτει επίσης προφυλακτήρες στο χρώμα του αμαξώματος, LED φώτα ημέρας και χρωμιωμένα καλύμματα καθρεπτών. Για να δικαιολογήσει το όνομα του, το All Terrain HD, έχει εξοπλιστεί με το Z71 Off Road πακέτο που μεταξύ άλλων περιλαμβάνει σύστημα hill descent control και Rancho twin-tube αμορτισέρ.


Η GMC έδωσε μόνο μία φωτογραφία του εσωτερικού στη δημοσιότητα αλλά λέει πως η καμπίνα έχει “ένα theme εμπνευσμένο από ανθρακονήματα”, ειδικά μαρσπιέ και φυσικά το IntelliLink σύστημα ψυχαγωγίας και ενημέρωσης.

Κάτω από το καπό, βρίσκεται ο 6-λιτρος VortecV8 που αποδίδει 322 ίππους και 515 Nm ροπής. Αν αυτός δεν είναι αρκετός, το All Terrain HD μπορεί να εφοδιαστεί με τον 6.6 λίτρων DuramaxV8 diesel που παράγει 397 ίππους και 1.037 Nm ροπής.

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GMC Introduces 2015 Sierra All Terrain HD

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.