article thumbnail

GM 2015 Colorado and Canyon V6 mid-size pickups offer segment-leading fuel economy

Green Car Congress

The 2015 Chevrolet Colorado and GMC Canyon ( earlier post ) will offer segment-leading fuel economy for V-6 midsize pickups, based on current EPA fuel economy estimates. EPA fuel economy (mpg US) for 2015 6-cylinder pickups with automatic transmission. liter Duramax turbodiesel to the engine lineup.

article thumbnail

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.

Sierra 262
article thumbnail

2015 Chevrolet and GMC pickups, SUVs to offer eight-speed transmission with EcoTec3 V-8

Green Car Congress

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 The 8L90 also enables numerically lower rear axle ratios, which reduce engine rpm on the highway. EcoTec3 V-8. V-8 and 6.2L

GMC 210
article thumbnail

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

Sierra 97
article thumbnail

Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

Green Car Congress

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.

article thumbnail

Flash Drive: 2022 GMC Hummer EV Pickup

Clean Fleet Report

Which 2022 GMC Hummer EV pickup truck do you want to own? Luckily, you don’t need to make this choice, as both come with what GMC is calling a “Supertruck.”. Luckily, you don’t need to make this choice, as both come with what GMC is calling a “Supertruck.”. GMC hinted a shade system may be in the works. Power and Torque.

Hummer 97
article thumbnail

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.

Fleet 243