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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.

The Mini John Cooper Works Rally is set for Dakar

In recent years, there have been convincing Minis tailored for rallying: Dakar wins were accumulated with gusto. Now there is a new version for 2017, named the Mini John Cooper Works Rally. Its debut will be the 2017 Dakar Rally running through Bolivia, Paraguay, and Argentina. The new rally car has been built with experience gathered from rallying the earlier Mini All4 Racing, and it's based on the Countryman. Key areas reworked were the aerodynamics and the weight distribution to enable a lower center of gravity. As X-raid (Mini's motorsports partner) CEO Sven Quandt puts it: "The center of gravity has gone down substantially – we placed about 50 kilos [110 pounds] downwards by some 50 centimeters [19.7 inches] in the center of the car, which helps the handling and makes the car much more comfortable over all types of terrain, and aids the handling on a rally track with lots of corners." There is a new chassis frame, and the powertrain benefits from an updated engine mapping and thermal management. The interior has also been redone. Speaking of the powertrain, the Cooper Works Rally runs a 3.0-liter straight six from BMW's turbodiesel portfolio. In this guise, the TwinPower unit produces 340 horsepower at 3,250 rpm and a very respectable 590 lb ft of torque from 1,850 rpm. The retained ALL4 four-wheel-drive system has a six-speed SADEV sequential gearbox, together with lockable, oil-cooled Xtrac diffs with a central SADEV unit. The 2017 Dakar Rally runs from January 2-14. Related Video:

Sell-it-yourself: 2014 Mini Cooper S

Looking to sell your car? We make it safe, easy, and free. Quickly create listings with up to six photos and reach millions of buyers. Log in and create your free listings. There are few things more immediate in modern motoring than the Mini Cooper S. Fiat's 500 Abarth may come close, but the Abarth's smaller footprint makes it more one-dimensional. The Cooper S brings you two dimensions: fun – and more fun. With each redesign the Cooper hardtop grows larger, but this remains a tidy size for those navigating urban or suburban sprawl. And with the higher horsepower of the Cooper S engine connected to its standard six-speed manual, you'll never want for acceleration or reasonably relaxed cruising. Fuel efficiency is mainly dictated by your right foot. Our for-sale Cooper S with 24,000 miles looks to be in clean condition. Value guides suggest the price is slightly below what a private seller would ask and well below the retail at a dealership. With a clean Carfax and pre-purchase inspection, this is huge fun for relatively little money. Check out the listing for yourself here. Related Video: MINI Car Buying Used Car Buying Ownership mini cooper s