Originally expected to be just another facelift, Opel’s Corsa is in fact undergoing radical changes. The new hatchback was spotted being tested in Germany and hints at a new generation of the popular city car. According to Opel South Africa the new Corsa will arrive early in 2015.IMAGE GALLERY: 2014 Opel CorsaIt's not uncommon for some sheet metal to be carried over to a newer model as it was confirmed by the automaker that the platform for the new Corsa would be the same as today, just re-engineered with stronger steel. Spy images show the new Corsa derives much of its styling from the Opel Adam.The next Corsa will have a range of new engines, among them the one-litre SIDI Turbo to be used in the smaller Adam. The cabin will borrow heavily from the Adam, especially on the centre console.