Fuel Economy MPG Sierra 
Green Car Congress
APRIL 1, 2013
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.
Green Car Congress
NOVEMBER 9, 2013
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.
Green Car Congress
SEPTEMBER 16, 2010
88% said is was important for the US to take action now to increase fuel efficiency. Were a more stringent fuel economy standard to be implemented, 63% said it was likely the cost of vehicles will increase too much. The survey had a sample size of 1,000 and a margin of error of plus or minus 3.1%.
Green Car Congress
NOVEMBER 30, 2009
All 2010 Chevrolet and GMC V-8 powered trucks now feature variable valve timing (VVT), a technology that enables continuous control of valve opening and closing that result in better engine breathing, fewer emissions and improved fuel economy. When working with Active Fuel Management (cylinder deactivation) on the 5.3L
Clean Fleet Report
MARCH 30, 2021
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 Fuel economy for the 3.0-liter Smooth, Powerful Diesel Performance.
Green Car Congress
APRIL 5, 2009
The five-passenger crossover SUV, which shares the Theta chassis with the Chevrolet Equinox, offers estimated highway fuel economy of 30 mpg (7.8 City fuel economy is estimated to be 21 mpg US (11.2 Maximum fuel economy is achieved in part with an “ECO” mode activated via a console-mounted button.
Green Car Congress
JANUARY 18, 2017
turbo-diesel engine and standard 6-speed manual or available 9-speed automatic transmission, it is expected to better the 46 mpg (5.11 l/100 km) EPA-estimated highway fuel economy of the first-generation diesel model. GMC Sierra (2500HD, 3500HD, Chassis Cab). Coupled with a 1.6L It will use the 1.6L Chevrolet Colorado.
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