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    William Maley
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    2017 GMC Sierra 2500HD Now Available With All Terrain X Package

      GMC's heavy-duty trucks get in the off-road spirit

    GMC has been expanding their off-road offerings with the All Terrain X package for the Canyon and Sierra 1500. Today, GMC announced that the All Terrain X package will be available for the 2017 Sierra 2500HD.

    The package adds the Z71 off-road suspension with Rancho shocks, Eaton automatic locking rear differential, underbody shield for the transfer case, a set of Goodyear off-road tires with an aggressive tread pattern, and 18-inch off-road wheels finished in black. Outside, the Sierra 2500HD All Terrain X features a body-color grille surround, side-steps finished in black, spray-in bedliner, and a sport bar mounted in the bed for lights.

    You'll be able to choose from either a 6.0L Vortec V8 engine (360 horsepower, 380 pound-feet) or the brand new 6.6L Duramax turbodiesel V8 (445 horsepower, 910 pound-feet of torque).

    GMC says the Sierra 2500HD All Terrain X will be available later this year. Pricing will be announced at a later date.

    Source: GMC
    Press Release is on Page 2

    GMC Introduces Sierra HD All Terrain X

    • Third model in brand’s X series offered with all-new Duramax 6.6L diesel

    AUSTIN, Texas — GMC today introduced the 2017 Sierra HD All Terrain X, the most off-road-capable model in the Sierra HD lineup, and one that matches its enhanced capability with trail-ready style and the brand’s signature refinement.

    It joins Canyon and Sierra 1500 this fall as the third model in GMC’s distinctive, limited-edition All Terrain X series, offered on the Sierra 2500HD crew cab 4WD with a 6.0L gas V-8 engine or the all-new, next-generation Duramax 6.6L V-8 turbo-diesel. More powerful than ever, the new Duramax delivers a segment-topping SAE-certified 445 hp (332 kW) and an SAE-certified 910 lb.-ft. of torque (1,234 Nm).

    “The new Sierra HD All Terrain X’s powerful attitude reflects a popular trend in very capable off-road trucks, executed with a range-topping level of refinement — a combination of attributes GMC has cultivated for years,” said Duncan Aldred, vice president of GMC Sales and Marketing. “And with the new, available Duramax 6.6L, this truck more than matches its bold good looks with true professional-grade capability.”

    The All Terrain X’s customized appearance blends a premium package of monochromatic exterior trim and special equipment, complemented with GMC’s latest technologies. Content includes:

    • 18-inch black-painted aluminum wheels
    • LT275/65R18 Goodyear Duratrac MT-rated tires that feature an aggressive tread pattern for outstanding off-road performance
    • A unique body-color grille surround with All Terrain insert
    • Body-color door handles and bodyside moldings
    • Black power-adjustable heated and power-folding trailering mirrors with integrated turn signals, LED rear guidance lamps and LED amber clearance lamps
    • Black belt moldings, front bumper skidplate and B-pillars
    • 4-inch black sport side steps
    • Black sport bar (mounted in the bed) designed to support available GMC Accessories LED off-road driving lamps
    • Offered in Black Onyx and Summit White exterior colors

    Additional All Terrain equipment includes a spray-on bedliner, Front and Rear Park Assist, the Z71 off-road suspension package, underbody shield, heated steering wheel and all-weather floor liners. The Eaton automatic locking rear differential is also standard.

    The 2017 Sierra 2500HD All Terrain X also features GMC IntelliLink with an 8-inch-diagonal color touchscreen, Teen Driver, remote-locking tailgate, remote starting system, Rear Vision Camera, adjustable pedals, leather-appointed seats, heated front seats and wireless charging.

    Edited by William Maley

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    I didn't realize GM still made the 6.0. I just assumed everthing was 5.3, 6.2 or their diesel(when it comes to trucks). Why is the 6.0 still around when they have the 6.2? Or vise versa? If they just detuned the 6.2 they could make it as powerful as this 6.0 or anywhere in the middle.

    What else still uses the 6.0 that I don't know about?

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    I think it might still be offered in the fullsize vans, but not sure.  I always found it weird they never updated it to match the 6.2 Ford or the 6.4 Hemi. 


    That said, the Duramax 2500 is easily my favorite version of the Terain X line.  I LOVE the fact it doesn't have that silly chin spoiler and looks to be better endowed in the ground clearance department than the other 2.

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    True and chin spoilers on 4x4 pickup kill me.  If they were at least easily removable it would be a ok, or just limited to 2WD versions. 

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    Yeah that'd be nice if they were limited to the 2WD versions.

    I'm curious what % gain they get from those. It must be fairly significant if they bother designing and putting them on.

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    I couldn't see it being more than a few 10ths of an MP, but I guess in this day of ever stricter EPA regs, every little bit counts. 

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    Is that it? The 2500 and Caprice still use the 6.0? I guess... why? Why do they still use that as opposed to the 5.3(caprice) or 6.2(2500)?

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    The 6.0L Gas V8 engine is one hell of a strong motor and is the backbone of fleet gas sales.  For business/fleet owners, maintenance costs are low for this proven engine. It is an iron block, not an aluminum block like the 6.2L Gas V8 engine offered in the 1500 series only. GM sells the 6.0L V8to other manufacturers who benefit from this strong motor. Ask anyone that owns a 2500/3500 HD with the 6.0L Gas V8 motor if they're not happy with the engine and I think you'll have a hard time finding someone who is dissatisfied with their motor.

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