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Subaru brings sportier XV, Legacy and Levorg concepts to Tokyo Auto Salon

'Tis the season of the auto shows, boys and girls. We just came down from the techno-fest that was CES, we're set for the start of the Detroit Auto Show, in the UK they're holding the Autosport International racecar show, and in Japan they just opened the Tokyo Auto Salon. And true to form, Subaru was on hand with a wide assortment of tuned machinery. Aside from the competition-spec WRX and BRZ we brought you a few days ago, Subaru also spruced up some of its production models for the street. One of the most intriguing was the Levorg S that gives us an idea of what the conceptual Legacy wagon would look like in STI spec, complete with the requisite blue paint, red trim and STI badges, but also a full aero kit, 19-inch BBS wheels and carbon-fiber trim, plus an interior with bucket seats, flat-bottom rim and all the fixins. The Japanese automaker also showcased a version of the Legacy sedan dubbed Blitzen, decked out in bright red with a similarly upgraded aero kit, 19-inch alloys and a two-tone interior. The XV Crosstrek that was recently launched on this side of the Pacific as a special edition in bright yellow rolled in to the Tokyo salon in the same shade, but with upgrades similar to those on the aforementioned Levorg and Legacy show cars. The XV Sport concept wears upgraded aero, 17-inch wheels and a complementing yellow-trimmed back interior. Also on display was an even less subtle WRX S4 customized by Prova, done up in white but with an outlandish body kit, 20-inch Enkei alloys and a dropped suspension, as well as the new Forester tS.

Subaru punches out 15 millionth Boxer engine

It's a small milestone for our favorite manufacturer of gold-wheeled, all-wheel-drive sedans and crossovers, as Subaru announced that it has built its 15 millionth Boxer engine – a mere 49 years after it installed a tiny, horizontally opposed, four-cylinder mill in the 1966 1000 sedan. The milestone engine powers something a good bit larger than the 1000, which was (ironically considering Subaru today) the brand's first front-drive vehicle. Today's boxer, the so-called FB25 2.5-liter four, was built for the current Legacy and Outback. The 15 millionth Boxer hasn't been the brand's only accomplishment in 2015. The company built its 14 millionth Symmetrical all-wheel-drive system just last month. Subaru has only been at its trademark AWD system for 43 years, and with sales going the way they are, it seems only a matter of time before the Boxer engine is surpassed. Related Video:

Upcoming Subaru WRX STI rumored to get hybrid drivetrain

Subaru might electrify the next-gen WRX STI. According to a rumor from Motoring in Australia citing an unnamed Subie insider, the brand's engineers reportedly have two hybrid systems under development for the future model. The move would allow the STI to boost power output and improve fuel economy and lower emissions to keep up with US regulations. According to Motoring's speculation, the next STI might use an electric motor at the back to power the rear axle and an upgraded version of the FA20 turbocharged 2.0-liter at the front. A new dual-clutch six-speed gearbox would help the power get to the road, and the total system could allegedly offer around 322 horsepower versus 305 hp from the current US model. This rumor also claims the next-gen STI would continue as a sedan when it arrives in 2017. Like previous iterations, the four-door will share underpinnings with the Impreza, which will mean a move to Subaru's new modular platform. The standard hybrid might only be the beginning of electrification for the future STI. Motoring's source also claims the company has a plug-in hybrid variant under development, but it might not debut until the 2018 Tokyo Motor Show. A hybrid STI could be exciting, but until there are solid facts, this rumor joins a long history of powertrain speculation about the high-performance Subaru. In 2008 and 2010, reports emerged about a diesel version, but it never appeared. We once even heard that the current-gen WRX might boast an electric turbo.