General Motors and PSA Peugeot Citroen have signed definitive agreements to create three new vehicle architectures.

The first platform will underpin a C-segment MPV for Opel and Vauxhall as well as a C-segment crossover for Peugeot. The second platform will be used on a B-segment MPV which will be sold by both companies. Last but not least, GM and PSA Peugeot Citroen will co-develop an "upgraded low CO2 B-segment platform" to underpin cars from both companies.

The first vehicles are slated to be launched in 2016 and GM promises the models will be "highly differentiated and fully consistent with their respective brand characteristics."

The companies will also create a joint purchasing organization and co-develop a high-performance petrol engine which is derived from PSA’s EB engine.

Gallery: GM & PSA Peugeot Citroen announce plans for three shared platforms

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