2014 Chevrolet Silverado 1500 6.2L V-8 4x4 - Car and Driver

General Motors was judicious in the investment strategy for its latest Chevy Silverado and GMC Sierra pickups , saving on elements that didn’t really need upgrading and opening the money spout for elements that did. 2 is the top powerplant in the half-ton lineup (available on Silverado LTZ and High Country trims) and the big boy in GM’s new EcoTec3 family of truck engines. At a glance, this might look like the same oversquare pushrod eight from before—it has the same displacement, as well as the same bore centers, which have had holy-writ status within the halls of GM ever since the creation of the Chevy small-block... It features a new deep-skirt aluminum block, a new crank, new cylinder heads to accommodate direct fuel injection, new plug locations, and new pistons. 5:1 versus 10. 5:1. Cylinder deactivation, which darkens four cylinders during light load situations and/or highway cruising, is among the major carry-over items. Just as important to buyers, there’s a corresponding improvement in EPA fuel-economy ratings: 14 mpg city/20 highway with four-wheel drive, up from 13/18, and on regular fuel. We blame our indifferent fuel-economy results on the new 6. 2-liter—we. Source: www.caranddriver.com