Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The X20XEV is a General Motors engine. It is a 1998 cc (2.0L) 16 valve, DOHC inline 4 cylinder engine producing 100 kW (136 PS). It replaced the C20XE engine and was labelled by General Motors as an ''Ecotec''. The break down of the engine name is as follows: X - Exhaust Emissions Level: 94/12/EC, stage 2; 20 - 2.0L; X - Compression Ratio - 10.0-11.5:1; E - Mixture System - Injection; V - Specific Version - Volume Model. The X20XEV engine featured in many General Motors vehicles, was frequently used in Opel Omega B, used in several models of the Opel Vectra B and the Opel Calibra.