Today, car manufacturers tend to put the car name as short as possible. This is understandable, because the shorter car name, the consumers more easily remembered. Studies show that, concise coupled with easy to remember, thus short name is convincing and customers will be hard to forget.
However, there are car names, because of its characteristics, the manufacturer has to put out too long names. The Subaru Impreza WRX STI RA Spec-C producted 2006 is an example.
In full, the car is named the Subaru Impreza World Rally Subaru Technica International Record Attempt X-Spec Competition, 89 characters long. Therefore compacted by acronyms name of the Impreza model also makes it less global, complex and difficult to understand.