2011 GMC concept
GMC sales are up 28 percent from last year, and Sierra is the cornerstone of the GMC brand.
What do I think of this concept?
It looks like a production vehicle to me, and if it is not GMC is crazy. The diesel All-Terrain heavy-duty is an enhanced version of the 2500 Sierra that could take on the Ford Raptor.
I just don’t like the name, all-terrain. Sounds almost civilized. Something like the GMC Hulk would be better. Hulk, like Bulk, because this truck makes the Sierra HD look gentrified.
It’s got everything on it – lockable side storage, frame-mounted recovery hooks, composite bed liner, 360 floodlights. The concept beats out Ford by offering motorized illuminated assist steps. Carl Zipfel, GMC’s Chief designer gave the concept a bigger grille, larger hood and bulky quarter panels. It’s got greater ground clearance and greater off-road capability.
GMC says the concept will have an estimated conventional towing capacity of 13,000 pounds and an estimated fifth-wheel towing capacity of 15,600 pounds. It is powered by a 6.6-liter Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination. That is the same Duramax that is in the Sierra HD already. The Duramax is rated at 397 horsepower and an astounding 765 foot-pounds of torque.
GMC SIERRA ALL-TERRAIN HD CONCEPT SPECIFICATIONS
|Vehicle:||GMC All Terrain HD concept|
|Body style / driveline:||5-passenger crew cab, 3/4-ton 4-wheel-drive heavy-duty pickup|
|Construction:||body on frame|
|Engine:||Duramax 6.6L turbo-diesel|
|Horsepower / kW @ rpm:||397 / 296 @ 3000|
|Torque (lb.-ft/ / Nm) @ rpm:||765 / 1037 @ 1600|
|Transmission:||Allison 1000 six-speed automatic|
|Suspension (front):||long- and short-arm independent with torsion bars|
|Suspension (rear):||semi-elliptic two-stage multi-leaf spring|
|Steering type:||integral power-assisted recirculating ball|
|Brakes (type):||power-assisted, Hydroboost brake-apply system, four-wheel disc, four-wheel ABS|
|Brake rotor diameter x thickness (in / mm):||front: 13.97 x 1.57 / 355 x 40
rear: 14.17 x 1.34 / 360 x 34
|Wheel size and type:||20 x 9.5-inch aluminum|
|Tire type and size:||BFGoodrich KM2 325/60R20|
|Wheelbase (in / mm):||148.6 / 3774|
|Overall length (in / mm):||230.9 / 5864|
|Overall width (in / mm):||83 / 2106|
|Overall height (in / mm):||81.8 / 2077|
|Track “ front (in / mm):||73 / 1853|
|Track “ rear (in / mm):||73 / 1853|
|Minimum ground clearance “ (in / mm):||21.1 / 536 (at rocker panels); 11.8 / 300 (at skid plates)|
|Approach angle “ front (deg.):||39|
|Approach angle “ rear (deg.):||31|
|Maximum payload (lbs. / kg):||2700 / 1225 (est.)|
|Maximum towing capacity “ ball hitch (lbs. kg):||13,000 / 5896 (est.)|
|Maximum towing capacity “ fifth-wheel hitch (lbs. kg):||15,600 / 7076 (est.)|
Note: Information shown is current at time of publication.
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