Remember the original concept that previewed the latest generation Subaru WRX? If not, then just look above for a gallery of photos following its debut at the 2013 New York Auto Show. We loved it, and thus, were sort of disappointed when we first saw the less-aggressive production model.

It's not that the production 2015 WRX is ugly, per se. It just doesn't have the gaping grille, four-door coupe lines or squinting headlights that give the concept so much verve. But as it turns out, Subaru might have realized that it was on the right track with the more assertive styling. Rumors coming out of Australia suggest that the shape could form the basis for the next-generation Impreza, and next WRX, along with a major platform shift.

Subaru chief designer Mamoru Ishii tells Motoring that that the next-generation car will ditch the rather utilitarian current design in favor of something more exciting. Like the WRX concept, the design will start wide at the bottom for an aggressive stance and taper up to the roof. That styling would likely get even more aggressive for the next 'Rex.

The styling shift isn't the only big change on the horizon for the entry-level model. As part of Subaru's growth strategy, it's developing a new modular Subaru Global Platform to underpin most of its models. Motoring believes that the Impreza will be the first to use it in 2016. The latest rumor lines up surprisingly well with earlier rumblings of Subie considering moving some of the model's production to its Indiana factory in 2016. With the Camry no longer built there, the company has room to expand.

The Subaru WRX range is growing just a little bit larger, at least in Japan, with the automaker's teasing announcement of a new version called the S4. Unfortunately, the company is keeping details about its latest all-wheel drive sport sedan a closely guarded secret for the moment.

From what we can glean, it appears that the S4 might be a more luxurious take on the WRX. According to the release, the name stands for the four qualities that Subaru wants the sedan to have: "'Sports performance', 'Safety performance', 'Smart driving' and 'Sophisticated feel.'" As part of this focus, the car comes with the company's EyeSight camera system. Thankfully, we don't have too long to wait to find out what all of the buzz words actually mean because Subaru is unveiling the S4 on August 25 in Japan.

The automaker also launched a teaser website for the S4 that you can cheek out, here, but at the moment it doesn't provide any more details about the new sport sedan. The site just has countdown until the August reveal. There's also no indication yet whether this potentially more premium WRX could make it US shores. Scroll down to read the Subaru's rather concise teaser for the upcoming S4.

Press Release

Subaru Names All-New Sports Sedan "WRX S4" in Japan

Tokyo, July 25, 2014 - Fuji Heavy Industries Ltd. (FHI), the maker of Subaru automobiles, today announced that Subaru's all-new sports sedan, to be introduced in Japan on August 25, has been named "WRX S4".

While the "WRX S4" has "the Subaru's top AWD (All-Wheel drive) sports performance", the sports sedan also achieves "unique overall safety performance" with features such as the next-generation EyeSight, "superior environmental friendliness" and "high-quality feel". By fusing these four values at a high level centering on its AWD sports performance as a core attribute, a new value has been achieved. It enables more drivers to enjoy superb driving performance with safety and comfort. To represent the above four attributes, the vehicle name "S4" has four meanings; "Sports performance", "Safety performance", "Smart driving" and "Sophisticated feel".

A special website has been launched on the Subaru Official Website at 11:00 am on July 25 (Japan time) to release teaser images and other information.