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Weekly Recap: Mazda's rotary revival ignites Tokyo Motor Show

Forty-eight years ago Mazda pioneered rotary engines in the Cosmo Sport. Mazda then honed the technology, won with it on the racetrack, and made it one of its signature features. If you're an enthusiast, rotary was a reason you like Mazda. It's a great part of the company's past. But until this week, that's exactly what we thought it was. History. That all changed with the reveal of the RX-Vision concept at the Tokyo Motor Show, which reignited the passions of the Mazda faithful. Suddenly, rotary was no longer a relic. The rotary concept shown in Japan was a front-engine, rear-wheel-drive sports car wrapped in the company's latest Kodo design language. It's powered by a Skyactiv-R unit (R for rotary), though specs were not disclosed. Mass production is "currently on hold," Mazda said, maintaining it never stopped development of rotary technology, even after the demise of the RX-8. Beyond that, we know nothing, other than the optimistic statement Mazda offered that: the "RX-Vision represents a vision of the future that Mazda hopes to one day make into reality." Put simply: we agree. OTHER NEWS & NOTES: Subaru previews next-gen Impreza While the Mazda concept was the headliner from Tokyo, Subaru's Impreza design study also stood out. The five-door concept is a signpost for the look of next-generation Impreza. It blends sportiness with functionality, and it's wrapped in a striking shade of 'high-luminance silver.' The fenders are flared to signal Subaru's all-wheel-drive capability, and the front has futuristic headlights that look like something from an Audi E-Tron concept. While most of this will be toned down in production, the concept suggests an elevated style for the Impreza, which is due as a 2017 model. Porsche adds potent GTS model to 2017 Macan line Porsche is giving the Macan crossover the GTS treatment, which will start at $68,195 when it goes on sale in March. GTS translates to more power, a sportier suspension, and interior and exterior design cues that sharpen the looks and reflexes of one of the most athletic SUVs on the market. Porsche recalibrated the 3.0-liter twin-turbo V6 from the Macan S to make 360 hp and 369 lb-ft, (up from 340 hp and 339 lb-ft in the S). It teams with a seven-speed PDK gearbox and all-wheel drive. An air suspension is standard. The body features a slew of black accents, and the standard 20-inch RS Spyder wheels are done up in a shade of satin black. The cabin gets leather, Alcantara, and GTS logos.

Porsche still deciding on one or two new 911 plug-in hybrids

Back in March, Porsche CEO Oliver Blume told Autocar that the coming Porsche 911 plug-in hybrid "will be the most powerful 911 we've ever had." That quote portended a 992-series 911 with 700 horsepower or more. A new report in Auto Express, however, suggests Porsche is having energetic debates about just what the 911's hybrid strategy will be, and that the only agreed-upon plug-in hybrid 911 so far is a milder version to sit in the middle of the range. Putting all our rumors in a row, in January, Automobile reported on an electrically-assisted 911 with 485 hp and 561 pound-feet of torque. The new AE piece effectively endorses that, saying the mid-range hybrid would follow the program established by the all-wheel drive Cayenne e-Hybrid that produces a combined 455 hp and 516 lb-ft. The 911 would naturally use a flat-six instead of the Cayenne's 3.0-liter V6, and the sports car would be tuned for better sound response and sharper reflexes. AE says fuel economy for this hybrid should be at least 80 eMPG, with emissions of less than 80 grams per kilometer. The current base Carrera is currently rated at a maximum 38.2 mpg in the UK, with minimum emissions of 169 g/km. The hybrid, fitted with a double-clutch gearbox and Porsche's mechanical all-wheel-drive system, could run from a stop to 62 miles per hour in less than four seconds, making it more efficient than a base Carrera and much faster than a Carrera 4S. AE says there remains only "the potential for Porsche to add a second, more powerful hybrid 911," and says its sources claim that's what's "causing the most consternation behind closed doors." This one would be the twin-turbocharged, 700-hp beastie that, as a series production car, would have a hard time not usurping the 540-hp Turbo, 580-hp Turbo S, and 607-hp Turbo S Exclusive. True, the hybrid would be handicapped with a 550-pound battery pack, but the instant acceleration and handling benefits of electric AWD — with no connection between the axles — could provide the final edge over the other three. As such, it makes sense that there'd be a whole lot of debate about a flagship 911 hybrid. On the other hand, such a monster seems like an eventuality in view of Porsche's electrified aspirations, the lessons gained from the 918 Hybrid and the 919 Hybrid Le Mans racer, and the fact that CEO Blume has already spoken. The Stuttgart carmaker expects a sales mix of 25 percent electric, 25 percent hybrid, and 50 percent conventional powertrains by 2025.

700 horsepower Porsche GT2 RS is the wildest 911 ever

The Porsche 911 comes in a variety of flavors, each filling a certain taste for a certain customer. Sitting atop the range is the new 911 GT2 RS. In previous generations, the GT2 had a bit of a reputation as a widowmaker, a 911 with massive power that could snap and bite with the slightest agitation. Porsche says the new model has been civilized, but with 700 horsepower going to the rear wheels, we're sure it's going to be as mad as ever. Power comes from a highly massaged version of the 3.8-liter flat-six from the 911 Turbo S. The rear-mounted engine makes an outrageous 700 horsepower and 553 lb-ft of torque. Like we previously reported, the new car will use water injection to help keep things cool. The only transmission is Porsche's PDK. While enthusiasts may lament the loss of the manual, the RS models have always been about performance above all else. Simply put, the PDK is the better performance option. All that power translates to a 0-60 mph time of 2.7 seconds and a top speed of 211 mph. The engine makes 80 more horsepower than the previous model. That makes it the most powerful road-going 911 ever built. In fact, the 887 horsepower 918 Spyder is the only road-going Porsche that makes more power. The fact that Porsche trusts all of that power to go to the rear is both thrilling and terrifying at the same time. In order to manage traction, the GT2 RS gets a number of upgrades. Rear-wheel steering has become commonplace in the 911 lineup, so it's no surprise to see it here. Sticky tires with 265/35 ZR 20 section rubber at the front and 325/30 ZR 21 section rubber at the rear keep things planted. That comically large rear wing adds downforce, adding to stability. The car gets standard carbon ceramic brakes. While some people prefer traditional rotors for the street, like the PDK, this is all about performance. A number of intakes and outlets complement the rear wing and maximize aerodynamic efficiency. It's a bit of a surprise that with all the focus on downforce, the GT2 RS still manages to top out at 211 mph. The hood, front wings, wheel housing vents, door mirrors, side air intakes, parts of the rear end, and a number of interior components are all made from carbon fiber. The roof has been made of magnesium. If you want to drop any pretense of civility and comfort in the pursuit of speed, Porsche is offering a Weissach package that shaves off another 40 pounds from the already impressive wet weight of 3,241.