Overview of the Chevrolet Cruze 1.8 (F18D4) Engine The Chevrolet Cruze 1.8L F18D4 engine is a naturally aspirated inline-four petrol engine that delivers a strong balance between performance, fuel efficiency, and reliability. This engine belongs to the GM Family 1 series, originally developed by Opel and later improved by GM Daewoo for various international models. It produces approximately 140 horsepower …