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Porsche LMP1 to use 4-cyl hybrid powertrain [w/poll]

With the Formula One season - and indeed his entire F1 career - now behind him, Mark Webber took advantage of his early release from Red Bull Racing to try out the new LMP1 which Porsche is developing, undertaking the final test session of 2013 before Porsche throws it head first into the FIA World Endurance Championship next April. The session - which followed previous tests at Magny-Cours, Monza, Paul Ricard and the Eurospeedway at Lausitz - was held at the Algarve circuit in Portimão, Portgual, in collaboration with Michelin, which is developing the tires for the car. But that's hardly the news here.
No, the news is the first confirmation we've seen on the type of powertrain Porsche has developed for its new Le Mans prototype: a gasoline-burning four-cylinder engine with direct injection and two energy recovery systems. This contrasts sharply with the V6 turbodiesel and single electric motor used by Audi in the R18 e-tron Quattro (or at least the outgoing version) or the naturally-aspirated V8 and single electric motor found in the Toyota TS030. Flexibility in the rules set down by the FIA and ACO give the manufacturers that kind of latitude, prompting F1 teams like Ferrari and Renault to consider developing their new engines for Le Mans prototypes as well.
At this point Porsche isn't saying how large its four-cylinder engine is or how much power it will produce. But it'll be interesting, to say the least, to see how it fares against the Audi and Toyota in next year's championship and at Le Mans when it'll be piloted by Webber, former Lola LMP1 driver Neel Jani and Audi's own 2011 Le Mans-winning pair of Romain Dumas and Timo Bernhard.

Behold the glory of unobscured Porsche 911 Turbo bumpers

Porsche apparently sees absolutely no reason to hide the changes for the 911's upcoming refresh on any of the models. After releasing official photos of the standard version ahead of the debut, here are the Germans testing the revised 911 Turbo S at the Nurburgring with no camouflage at all. The exterior tweaks are tiny enough that maybe the company thinks no one would notice. The front bumper receives tiny adjustments, including the LED lights lengthened in the lower air intakes. The headlights are also slightly tweaked, and the taillights are the wider units from the rest of the updated range. The rear bumper receives some restyled vents at each corner, as well. The standard 911 is rumored to receive a new family of smaller displacement, turbocharged flat-six engines as soon as this year's Frankfurt Motor Show, and that leaves the Turbo in a weird place. Forced induction holds a special place in the model's lineup by denoting some of the most powerful versions. With that exclusivity possibly on the way out, Porsche might now have to find a way to keep the Turbo badge special. Related Video:

Porsche turns up boost on 911 range with new Turbo and Turbo S

You didn't honestly think Porsche would stop with just a turbocharged Carrera and Carrera S, did you? No, that'd be silly. Of course Stuttgart had to follow up those two smash hits with a new Turbo and Turbo S. Naturally, both cars build on the 370-horsepower Carrera and 420-horsepower C2S. The base Turbo offers 540 horsepower and starts at $160,195, while the Turbo S packs 580 horsepower and demands an extra $28,900. Adding a folding fabric top to either model will drive the cost of entry up by $12,300, regardless of output. For those keeping track at home, that's a 20-horsepower bump for both vehicles over the previous models, while the Turbo's price jumps by $8,100 and the Turbo S will cost an extra $5,400. In terms of actual performance, the Turbo hits 60 in just 2.9 seconds and will carry on to 198 miles per hour, a one-tenth and three-mph improvement over the current car. Going for the Turbo S will only shave a tenth of second off the 60-mph sprint, although you'll pick up an extra seven mph on the top end. That compares favorably to the current car, which takes 2.9 seconds to get to the magic six-oh and stops accelerating at just 197. The stopwatch improvements are only part of the story. Porsche claims the new dynamic boost function will maintain turbo pressure during sudden throttle load changes, like you might experience when pushing the 3.8-liter, twin-turbocharged flat-six hard. That means snappier throttle response. As with the current 911 Turbo and Turbo S, Porsche's excellent dual-clutch transmission is the only way to fly. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Both cars also get Porsche's Sport Chrono Package and Porsche Active Suspension Management as standard, while upgrading to the Turbo S will add Porsche Dynamic Chassis Control and carbon-ceramic brakes. While there's lots of free hardware, we're betting Porsche's options catalog will remain just as robust. As for the design, you can expect the same look shown on the new, turbocharged 911 Carrera, albeit with some Turbo and Turbo S exclusives. 20-inch wheels are standard, with super-wide rubber in the back – Porsche doesn't list tire specs, but the rear hoops are 11.5-inches wide. Both the 911 Turbo and Turbo S will get their big debut at the 2016 Detroit Auto Show. Naturally, we'll have much more then, including live photos from the show. In the meantime, read on for the official press release from Porsche.