General Motors is doubling the number of engines available in the redesigned 2019 Chevrolet Silverado and GMC Sierra 1500 pickups, including the addition of a new four-cylinder turbocharged engine that can run on two cylinders to increase fuel economy. The 2.7-liter I-4 turbo engine is a major milestone for the company. It is the first modern-day four-cylinder engine in a full-size pickup and the industry's first pickup capable of running on two cylinders.
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