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 2014 GMC Sierra.
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 These materials reduce mass and increase strength.
Green Car Congress
SEPTEMBER 16, 2010
If President Obama were to implement a 60 mpg by 2025 rule, 28% of respondents would feel more favorable toward him, while 14% would feel less favorable. If Obama refused to implement a 60 mpg standard, 13% would view him more favorably, while 25% would view him less favorably. It was conducted via telephone between 8-13 September.
Green Car Reports
SEPTEMBER 2, 2014
Future models of the Chevrolet Silverado and GMC Sierra pickup trucks will.' At the dawn of this century, four-speed automatics were the standard; now it''s six speeds--and eight-speed automatics are coming on strong.
Green Car Congress
NOVEMBER 30, 2009
V-8, variable valve timing helps deliver segment-leading fuel economy in the 2010 GMC Sierra and Chevy Silverado pickups. The Sierra and Silverado are EPA estimated at 15 mpg city and 22 mpg highway—better than the less powerful 2010 trucks from Ford and Toyota, GM points out. Toyota Tundra 4.6L Ford F-150 292 hp 4.6L
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. recently drove the 2021 GMC Sierra 1500 4WD Crew Cab AT4, powered by a 3.0-liter Weighing in at 5,640 pounds, the Sierra 1500 AT4 has a maximum payload of 1,810 pounds and can tow 8,800 pounds. Brains and brawn.
Green Car Congress
OCTOBER 23, 2014
GMC Sierra and Chevy Silverado trucks for each fleet were upgraded to run on either natural gas or gasoline using the new DuraDrive DI natural gas system, supplied by Utah-based AGA Systems. During EPA testing the DuraDrive DI set a record for efficiency on an eight-cylinder natural gas truck, achieving 23 mpg (10.2 l/100 km) highway.
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