W18 engine - Wikipedia A W18 engine is a eighteen-cylinder piston engine with three banks of six cylinders in a W configuration. The W18 layout is rarely used, with the only production examples being several aircraft during the 1920s and 1930s. Prototype W18 engines were produced for concept cars predecessors to the Bugatti Veyron in the late 1990s. Related searches for veyron w16 engine diagram bugatti w16 engine diagrambugatti engine w16bugatti veyron w16 enginebugatti w16w16 engine for salew16 engine costw16 motorw16 engine cutaway