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GMC Sierra HD Concept


What you are looking at is possibly the next GMC Sierra heavy duty truck. Well, not exactly in the same shape, but it’ll be close.

Actually under that awesome body, it has a production-based 4WD chassis and the Duramax diesel/Allison 1000 six-speed powertrain but gets a unique suspension system, it even gets the 6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination offered in the 2011 Sierra HD trucks 397 horsepower (296 kW) and 765 lb.-ft. of torque (1,037 Nm).

GMC Sierra HD Concept GMC Sierra All Terrain HD Concept 1

Other facts you have to know about this pickup truck are: payload capacity of 2,700 pounds (1,225 kg), conventional towing capacity of 13,000 pounds (5,896 kg) and Estimated fifth-wheel towing capacity of 15,600 pounds (7,076 kg).

GMC SIERRA ALL TERRAIN HD CONCEPT SPECIFICATIONS

  • 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: 397 hp (296 kW) @ 3000 rpm
  • Torque: 765 Nm (1037 lb.-ft) @ 1600 rpm
  • Transmission: Allison 1000 six-speed automatic
  • Suspension
    • front: long- and short-arm independent with torsion bars
    • 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)
    • front: 13.97″ x 1.57″ / 355 x 40 mm
    • rear: 14.17″ x 1.34″ / 360 x 34 mm
  • Wheel size and type: 20 x 9.5-inch aluminum
  • Tire type and size: BFGoodrich KM2 325/60R20
  • Wheelbase: 148.6″ / 3774 mm
  • Overall length: 230.9″ / 5864 mm
  • Overall width: 83″ / 2106 mm
  • Overall height: 81.8″ / 2077 mm
  • Track
    • front: 73″ / 1853 mm
    • rear: 73″ / 1853 mm
  • Minimum ground clearance
    • 21.1″ / 536 mm (at rocker panels)
    • 11.8″ / 300 mm (at skid plates)
  • Approach angle
    • front: 39°
    • rear: 31°
  • Maximum payload (est.): 2700 lbs. / 1225 kg
  • Maximum towing capacity (est.)
    • ball hitch: 13,000 lbs. / 5896 kg
    • fifth-wheel hitch(est.): 15,600lbs. / 7076 kg

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