2007 Chevrolet Epica

GM Daewoo's official press releases says that Tosca is an acronym for "Tomorrow Standard Car". "Tosca" is also a popular opera by Giacomo Puccini. The "Chevrolet Epica" name was previously used on V200 Daewoo Magnus models sold in Canada, Latin America, China, Europe, Arabia and Micronesia. Since April 2007, the Tosca has been marketed as the Holden Epica for the Australian and New Zealand markets, replacing the Holden Vectra, sourced from Opel in Germany. It is also manufactured and sold in Uzbekistan as Chevrolet Epica since June 2007.

Daewoo's XK straight-six engines are designed by Porsche, and they are what distinguish the Tosca from other similar vehicles. The V250 is a front-wheel drive car and the engines are mounted transversely; this configuration requires the straight-six engine to be very compact and packed quite tight. The Tosca was launched with two versions of the straight-six of different displacements: the 2.5litre, which was carried over from the Magnus, and a 2.0litre, which replaces the Holden-sourced E-TEC II 2.0litre used in the previous model. Since 2006, a 1.8litre version of the E-TEC II engine model is also available in the South Korean market. This engine is coupled to either a five-speed manual or four-speed automatic transmission.