General Motors India, which has introduced the mid-size Opel Astra, has announced plans to introduce the sub-compact Corsa in September next year.

CNN: INDIA'S CAR WARS

The Saturn Vue and Astra are from GM's German Opel division.

CNN: The fate of four GM brands

GM's big German subsidiary, Adam Opel, is already indicating that it will offer discounts on its new Astra model, to be launched in April, which will compete head-on with Volkswagen's new Golf itself already being discounted.

ECONOMIST: Ford, Fiat and failure