2001 Porsche 911 on 2040-cars

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The 2017 Porsche 911 RSR goes mid-engine, purists be damned

Porsche unveiled its World Endurance Championship and IMSA WeatherTech Championship competitor with the 2017 911 RSR. And this 911 is different from the rest, as the 4.0-liter flat-six engine powering this beast is in front of the rear axle, not behind it. That's right, this 24 Hours of Le Mans competitor ditches the iconic rear-engine layout. Porsche isn't talking specifics on how exactly things are arranged back there. The engine is new, now based on the 991 911's block instead of the previous Mezger motor that's been used for years. The transmission design is new as well – it would have to be to accommodate the new location relative to the engine. The racecar has been engineered to meet the LM-GTE class, where it will go up against other mid-engine cars like the Ford GT and Ferrari 488 GTE. Moving the engine to the middle has given Porsche the ability to fit the 911 RSR with massive bits of aero, like the humongous rear diffuser that looks like it would be more at home on a machine of war. The only thing that can compete with the diffuser for size is the top-mounted rear wing, which shares a similar design to the one found on the 919 Hybrid. Going back to the engine, the direct-injected boxer motor, depending on the size of the restrictor, generates as much as 510 horsepower and sends all of its fury to the rear wheels. The engine is paired to a six-speed sequential gearbox, which drivers can employ through paddles on the steering wheel. The new engine doesn't have a lot of weight to push around as the 911 RSR, as required by regulations, weighs 2,740 pounds. Speaking of weight, the engine layout isn't the only change for the 911 RSR. For 2017, the car ditches its steel body for one that's made out of carbon fiber. The body attaches to the chassis via quick-release fasteners, making the vehicle easier to service as exterior elements can be removed with minimal effort. The racecar also gets a radar-based collision system – aptly named the "Collision Avoid System" – which is meant to limit the 911 RSR's encounters with faster LMP prototypes. Only time will tell if the new layout and aerodynamic components help the 911 RSR beat its competition. But there will be plenty of opportunities to see the racecar in action as Porsche plans to run the 911 RSR in 19 races during the 2017 season, the first of which will take place at the IMSA opener on January 28th at Daytona, where the racecar will make its track day debut.

Corvette gets slidey with Britain's best performance cars

Autocar wants to find Britain's best driver's car, and it's challenging a murderers' row of some of the world's best performance vehicles to find out, including the latest Chevrolet Corvette Stingray. All of them were therefore assembled at the Castle Combe Circuit to find a winner.
If it wants to take the crown from this pack of mostly European competitors, the 'Vette has to beat some steep competition. Its challengers include monsters like the Ferrari 458 Speciale, Ariel Atom 3.5R and Jaguar F-Type Coupe. As a further hurdle for the winner to clear, Autocar also has last year's champ among the fighters - the Porsche 911 GT3.
Even if you're not at all interested in the C7, there's still something here for practically any fan of fast cars. The competitors include relative oddities among the pack like the Renault Mégane RS Trophy and Alfa Romeo 4C. Plus, Autocar has some well-positioned microphones that let you hear the Atom wailing like a banshee and the roar of the 458 Speciale. Check out the video to see which one of these all-stars takes home the award this year.

Porsche 918 Spyder to birth stretched 2+2 version?

Porsche is known for its ability to spin off a litter of variants from a single model, and according to a report in Automobile the 918 Spyder (pictured here) might not be spared the house trick. Having taken too many brains and too much money for too much time, company chiefs are said to be examining ways to get more for their development euro out of the supercar, and Plan A is apparently otherwise known as Plan 984. That would be a four-seater, rear-wheel drive supercar that uses a stretched mold of the 918's carbon fiber tub, keeping the V8 in the same mid-mounted place and costing around 350,000 euro.
That would be less than half the MSRP of its inspiration, but the details don't sketch out a car that's just half as good. Automobile speculates it would get something like 700 horsepower in order to best the coming 911 GT2, and about 440 pound-feet of torque. The 984 is quite a ways short of being confirmed; even though a full-size study is said to exist, it's like the 918 would need to become a bigger sales hit for the 984 to happen.
The 984's fortunes don't change those of the 960, the supercoupe Porsche is building to challenge Ferrari. Its potential specs haven't changed since the last report in January, power coming from a 5.0-liter, twin-turbo, eight-cylinder boxer engine with something like 650 hp pushing a curb weight of roughly 3,100 pounds. The means a suspected 0-to-60 mile-per-hour time of 2.5 seconds.