Overview of the Chevrolet Captiva 2.0L (Z20S1) Diesel Engine The Chevrolet Captiva 2.0L Z20S1 engine is a robust and efficient four-cylinder common-rail turbo-diesel engine designed to deliver a balance of power, fuel economy, and durability. Developed through a collaboration between GM Daewoo and VM Motori, the engine was primarily used in the Chevrolet Captiva, Opel Antara, and other GM SUVs …