General Motors unveils new 4.3L EcoTec V6 for 2014 GMC Sierra, promises best-in-segment towing
As the new line of General Motors pickup trucks hit your local showrooms this summer, GMC though you’d like to know that they just officially announced that the next-generation of GMC Sierra pickups will come standard with an all-new 4.3L EcoTec V6 that will offer the most amount of torque out of any V6 in [...]

