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Exceptional driving experience and segment-leading capability

The fourth generation of the legendary small-block V-8 engine family is the power behind GM’s all-new full-size trucks, delivering segment-leading horsepower and fuel economy through advanced technology such as Active Fuel Management (AFM) and variable valve timing (VVT). A FlexFuel engine is available – and partnered with fuel-saving AFM – giving customers the choice of powering their truck with E85 ethanol, gasoline or a combination of both fuels.

GM’s fuel-saving Active Fuel Management bolsters the trucks’ capability with the segment’s best fuel economy. Highway fuel economy for models equipped with the 5.3L AFM V-8 now are estimated at more than 20 mpg for both 2WD and 4WD models.

Engine offerings include:

  • 4.3L V-6, rated at 195 hp (145 kW) and 260 lb.-ft. of torque (353 Nm).
  • 4.8L V-8, with iron block; rated at 295 hp (220 kW) and 305 lb.-ft. of torque (414 Nm)*.
  • 5.3L FlexFuel V-8, E85-capable with iron block and Active Fuel Management, rated at 315 hp (235 kW) and 338 lb.-ft. of torque (458 Nm)*.
  • 5.3L FlexFuel V-8, E85-capable with aluminum block and Active Fuel Management, rated at 315 hp (235 kW) and 338 lb.-ft. of torque (458 Nm)*.
  • 5.3L V-8, with aluminum block and Active Fuel Management, rated at 315 hp (235 kW) and 338 lb.-ft. of torque (458 Nm)*.
  • 5.3L V-8, with iron block and Active Fuel Management, rated at 315 hp (235 kW) and 338 lb.-ft. of torque (458 Nm)*.
  • 6.0L V-8, with aluminum block, variable valve timing and Active Fuel Management, rated at 367 hp (274 kW) and 375 lb.-ft. of torque (508 Nm)*.
  • 6.2L V-8, with aluminum block and variable valve timing, rated at 400 hp (298 kW) and 417 lb.-ft. of torque (565 Nm)** – exclusive on GMC Sierra Denali.

The engines are backed by proven Hydra-Matic electronically controlled automatic transmissions, including the proven 4L60 four-speed automatic, high-capacity 4L70 four-speed automatic and a new 6L80 six-speed with the Sierra Denali’s 6.2L engine.

Channeling the engines’ power into usable capability and a refined, responsive drive experience are comprehensively redesigned chassis and suspension systems. The chassis and suspension systems deliver a smooth and precise feeling of control, particularly when driving on rough surfaces or with a full load. The chassis and suspension also support Silverado and Sierra’s class-leading capability, including segment-best towing capacity of 10,500 pounds (4,763 kg) and a maximum payload of 2,160 pounds (980 kg).

An all-new chassis, with wider front and rear tracks and new coil-over-shock front suspension design, is supported by tailored suspension packages that provide smooth, sure-footed ride and handling characteristics in all driving conditions.

Features include:

  • A new, fully boxed frame that is significantly stronger and stiffer – 234 percent increased torsional stiffness and 62 percent increased vertical bending stiffness – with a hydroformed front section, enhancing both the smooth ride characteristics and crash protection.
  • Wider front and rear tracks – approximately 3 inches wider (76.2 mm) in front and 1 inch wider (25.4 mm) in rear – enable increased stability, as well as a smoother, more controlled ride, particularly when cornering or with a full load.
  • A new coil-over-shock front suspension is mounted to the frame via a high-strength, precise attachment system for exceptional rigidity and delivers a linear, responsive ride that enhances the trucks’ fully planted driving feel.
  • New rack-and-pinion steering system delivers precise, responsive steering with enhanced on-center feel; it is mounted on the front frame section’s engine cross member, the strength of which virtually eliminates slack or vibration in the steering system to enhance its crisp response.
  • A Hotchkiss-type rear suspension with splayed shock absorbers – angled outward and upright – provides more controlled damping and is a key contributor in the trucks’ firmly-planted driving feel; it also enables increased payload and segment-leading towing capacities.
  • Exclusive Eaton automatic locking rear axle enhances sure-footed driving feel and instantly provides extra traction when needed.
  • Large-capacity brake system with robust apply system and standard next-generation Bosch ABS system provide shorter stopping distances, better pedal feel and quicker brake response.
  • Standard StabiliTrak electronic stability control is standard on crew cab models (available on extended cab) – a first for the segment – and incorporates rollover mitigation technology; it works with the ABS brake system to provide greater driver control in all driving conditions.
  • Range of 17-, 18- and 20-inch wheels with tailored body-to-wheel relationship.

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