These are the first spy shots of a test-mule for the new car, revealing a longer and wider platform. Clear giveaways on this test-mule, hidden beneath the sheet metal of the current model, are the extended wheel arches and a stretched B-pillar
Under the hood, a replacement for the VR6 engine will be in place, putting out close to 300hp (224kW) from a displacement of 3.0L. To improve mileage and maintain power, the new engine will also be using direct injection, while the rest of the powertrain lineup is expected to benefit from some form of forced induction as well. Other models will include a new hybrid as well as a high-performance diesel with AWD.
Source: Motor Authority