The Opel Cascada has been confirmed as the name for the new four-seater convertible from General Motors' German brand.
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Opel has released some details and a teaser image of the new Cascada, with the picture playing on the model name's origin as the Spanish word for waterfall.

At 4.7 metres long, the Opel Cascada is not a spiritual successor, as expected, to the Opel Astra convertible that was sold in Australia as part of the Holden Astra range. Its size makes it bigger than a BMW 3 Series Convertible.

The size of the Cascada places it between the Astra small car and Insignia medium car, and it's not clear whether it is based on one of the two platforms or a mixture of the two.

The Opel Cascada converts to an open-seater model via the touch of a button, with the fabric folding roof able to be operated at speeds of up to 50km/h.

CarAdvice spies had snapped the Opel convertible testing recently at Germany's Nurburgring (above and below).

Opel will launch the Cascada in early 2013. Opel Australia says it it studying the business case but CarAdvice believes the convertible will make its way down under to join the line-up of the brand that has only just launched in Australia.

It will join the current Corsa city car, Astra and Insignia models, as well as the upcoming Mokka compact SUV.