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New Duramax 6.6L Diesel Introduced on 2017 Sierra HD


GMC today announced the redesigned Duramax 6.6L V-8 turbo-diesel offered on the 2017 Sierra HD. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445 horsepower (332 kW) and net 910 lb.-ft. (1,234 Nm) — to enable easier, more confident hauling and trailering.

All-New Duramax 6.6L Diesel Is Our Most Powerful Ever


When it comes to horsepower from a diesel engine, the 2017 GMC Sierra HD tops the segment with an SAE-certified 445 hp (332 kW) from an all-new Duramax 6.6L V-8 turbo-diesel. And when it comes to the torque that enables effortless trailering and hauling, it also delivers more than ever: an SAE-certified net 910 lb.-ft. of torque (1,234 Nm) to make easier work of the heaviest loads.

GMC Canyon Extends Momentum with Broader 2017 Lineup


Building on the momentum of an 18-percent sales increase so far this year, GMC today announced a broader 2017 GMC Canyon lineup led by the new, range-topping Canyon Denali and new, off-road-inspired All Terrain X.

2015 GMC Canyon Delivers Segment-Best Performance


It’s a fact: the all-new, 2015 GMC Canyon delivers the most horsepower in the segment and the best V-6 efficiency, allowing owners to haul and tow more while using less fuel than competitors’ midsize trucks.

2015 Chevrolet and GMC Pickups, SUVs to Offer Eight-Speed Transmission


Chevrolet and GMC have confirmed a new eight-speed automatic transmission will be standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L EcoTec3 V-8.

It’s Official: 2014 Silverado and Sierra Deliver Most Power


DETROIT – The 2014 Chevrolet Silverado 1500 and High Country and the GMC Sierra and Sierra Denali 1500, available this fall, with a 6.2L V-8 produces an SAE-certified 420 horsepower (at 5600 rpm) and 460 lb-ft of torque (at 4100 rpm), the most power of any pickup engine and torque of any light duty pickup truck engine.

GMC Vehicles Take the Field in Madden NFL 25


DETROIT – GMC, the Official Vehicle of the NFL, will become the official vehicle of EA SPORTS Madden NFL 25 on August 27 when the 25th anniversary edition of the Madden NFL franchise arrives in stores with GMC vehicles integrated into the gaming experience for the first time.

2014 GMC Sierra V-6 Delivers 24 mpg Highway


DETROIT – The same technology that makes the all-new 2014 Sierra’s 4.3L EcoTec3 V-6 the most capable standard V-6 in any full-size truck also makes it a segment leader in fuel economy, allowing owners to go farther on a single fill-up.

2013 GMC Terrain Denali Debuts with New 3.6L V-6


NEW YORK – GMC is expanding its exclusive Denali sub-brand with the debut of the 2013 Terrain Denali, bringing a new level of style and power to the luxury small SUV.

Ready To Work: New 2011 Sierra HD Chassis Cab And Box-Delete Models Are More Capable, Stronger And More Efficient


ST. LOUIS, Mo. – GMC’s 2011 Sierra 3500HD chassis cab trucks deliver greater capability, efficiency and refinement than the models they replace – including an increased gross vehicle weight rating of up to 13,200 pounds (5,987 kg) and a gross combined weight rating of up to 27,500 pounds (12,473 kg) on dual rear wheel models.

Sierra Denali HD Leads New 2011 Sierra Heavy-Duty


ST. LOUIS, Mo. – GMC today announces the new 2011 Sierra Denali HD, the first offering of the exclusive Denali line on a heavy-duty GMC pickup. The Sierra Denali HD leads a comprehensively redesigned lineup of 2011 Sierra 2500HD and 3500HD trucks that go on sale in early summer – including the most powerful diesel engine in the segment.

GMC's 2011 Heavy-Duty Trucks Build On Proven Strong Heritage With New Duramax 6.6L Turbo Diesel Engines


PONTIAC, Mich. – With nearly 1.3 million Duramax diesel engines put into operation since its launch in 2000, no other automaker has as much diesel engine development experience in meeting the demands of the heavy-duty truck customer as General Motors.

2011 Sierra HD Trucks With New Duramax 6.6L Turbo Diesel Engines Are B20 Biodiesel-Capable


PONTIAC, Mich. – GMC’s new 2011 Sierra Denali HD, 2500HD, 3500HD trucks and chassis cab commercial vehicles equipped with new Duramax 6.6L turbo diesel engines will have B20 biodiesel capability.

Enhanced Allison 1000 Transmission Helps New GMC Sierra Heavy-Duty Trucks Do More With Less Fuel


PONTIAC, Mich. – The new, 2011 GMC Sierra Denali HD, 2500HD, 3500HD and chassis cab/box-delete commercial trucks are designed to deliver greater capability and improved fuel efficiency.

Vortec 6.0L V-8 And 6L90 Six-Speed Combination Delivers Efficient, Integrated Performance In 2011 GMC Sierra Heavy-Duty Trucks


PONTIAC, Mich. – GMC customers have relied on the power and durability of the small-block V-8 for more than 50 years.

New 2011 GMC Sierra Heavy-Duty Trucks Deliver Best-In-Class Diesel Torque And Horsepower


PONTIAC, Mich. – The new 2011 GMC Sierra heavy-duty pickups are offered with a new 6.6L Duramax turbo-diesel V-8 that tops the segment in power.

General Motors Announces B20 Biofuel Capability For New, 2011 Duramax 6.6L Turbo Diesel


GRAPEVINE, Texas – GM announced today that its new lineup of heavy-duty diesel pickups will have B20 biodiesel capability. B20 fuel is a blend of 20-percent biodiesel and 80-percent conventional diesel, which helps lower carbon dioxide emissions and lessens dependence on petroleum.

Breathe Easier: V-8 Powered GMC Sierra Does


All 2010 GMC V-8 powered Sierra pickups now feature variable valve timing, a technology that enables continuous control of valve opening and closing that results in better engine breathing, fewer emissions and improved fuel economy.

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GMC Introduces Sierra HD All Terrain X

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.