While others kill off the V8, GMC just built a 6.6L monster GMC ICE Vehicles Sierra 1500 Technology Trucks While others kill off the V8, GMC just built a 6.6L monster Carl Anthony June 26, 2026 The decision puts GMC at odds with others in the truck market. Read More Read more about While others kill off the V8, GMC just built a 6.6L monster