The car was built from scratch, with an all new chassis being developed to house the engine in the middle.
We've just had the A7 for a start, the first model to market with the A6's all new chassis.
The new chassis, the F111, had not been ready during the off season testing.
He started from the pit lane with a new chassis.
Subaru made an effort to control the weight of the new chassis.
Things got better in late spring when the new chassis found its way on the circuits.
At the moment new chassis are only available from the factory.
Part of that has to do with its new chassis and suspension.
The development team faced several problems, including finding a new chassis and engine.
The series uses a new chassis for the 2013 season, and will be continued to use until 2016.