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GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

Green Car Congress

V-8 EcoTec3 AFM VVT DI (L83) for Chevrolet Silverado and GMC Sierra. The 2014 GMC Sierra 1500 full-size pickup truck features a new 5.3L EcoTec3 V-8 engine ( earlier post ) equipped with direct injection, cylinder deactivation (AFM) and variable valve timing to achieve EPA estimates of 16 mpg city (14.7 Fuel economy.

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Road Test: 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro

Clean Fleet Report

The 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro showed-up in my driveway and the neighbors took notice. Power and Torque and Fuel Sipping. recently drove the 2021 GMC Sierra 1500 4WD Crew Cab AT4, powered by a 3.0-liter liter Duramax turbodiesel engine. Fuel economy for the 3.0-liter

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2014 Silverado and Sierra pickups leverage high- and ultra-high strength steels for weight reduction

Green Car Congress

The 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 have strategically replaced traditional steel with lightweight, high-strength steels for improved capability, safety and fuel efficiency. Similarly, making the most of mass also enables Silverados and Sierras equipped with the 4.3L Click to enlarge.

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Ford Model T: what was its fuel economy, really?

Green Car Reports

In a recent video posted to YouTube, environmental advocacy group The Sierra Club dialed up production values to call out Ford's lobbying efforts to roll back fuel-economy standards. When the.

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New GM EcoTec3 engine family for 2014 Silverado and Sierra pickups; direct injection, cylinder deactivation and CVVT

Green Car Congress

V-6 EcoTec3 AFM VVT DI (LV3) for Chevrolet Silverado and GMC Sierra. The newly unveiled 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 pickup trucks will deliver more power, more torque and improved fuel efficiency, partly due to a trio of all-new EcoTec3 engines designed specifically for the needs of full-size truck customers.

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New GM 4.3L EcoTec V-6 for Sierra delivers 305 lb-ft torque

Green Car Congress

When the all-new 2014 GMC Sierra full-size pickup arrives this summer, its standard 4.3L Buyers can choose from three new EcoTec3 engines—a 5.3L Sierras equipped with the 4.3L Sierra’s standard V-6 produces an SAE-certified 285 horsepower (212 kW) and is matched with a proven, efficient six-speed automatic transmission.

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XL Fleet offering hybrid electric upfit for Ram 2500 and 3500 heavy-duty pickups

Green Car Congress

With the Ram 2500 and 3500 heavy duty pickup models added to its hybrid product line, XL Fleet now electrifies four of the US’ top-selling pickup brands, including Ford F-series, Chevrolet Silverado, Ram and GMC Sierra trucks. V8 engine and a wide range of wheelbases, cab configurations and drivelines.

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