Daewoo Tosca by GM Powertrain, GM Daewoo, and VM Motori, debuted in the Daewoo Winstorm, and was the first diesel engine used in a Daewoo car. In early 2008, Daewoo launched an updated version of Tosca with a new six-speed automatic transmission in South Korea. There are two versions of six-speed automatic transmission: "GM 6T40" for the 2.0 and 2.5-litre petrol engines and "GM 6T45" for the 2.0-litre diesel engine. At the same time, Daewoo also revised rear portion of the car, changing the rear combination lamp and rear bumper. Pre-facelift styling Post-facelift styling Daewoo Tosca The Daewoo Tosca is a mid-size
Daewoo LeMans while the three-door was called Daewoo Racer and only the sedan was called LeMans. Korean market cars received a 1.5-litre engine (with ) as there was a severe tax penalty for cars with larger engines. In October 1991 the LeMans received a facelift, with a reworked front and superficially changed taillights. This version was called the Asüna SE/GT in the Canadian market, where it replaced the Passport Optima. When South Korean production of the original LeMans finally came to an end in February 1997, over 1 million had been built. This car was sold in Australia as the "Daewoo 1.5i",