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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.

2016 Mini Cooper S Convertible First Drive

Is there a better place to launch a roofless Mini than Los Angeles in the middle of winter? Temperatures during the drive event for the new 2016 Mini Cooper S Convertible hovered in the mid-80s, and (a begrudging thanks to CARB here) there was only a thin haze to attenuate the sun. Moreover, the sprawled-out and uniquely Californian metropolis doesn't seem to hem in the longer, broader, ever so slightly taller Convertible. Even if you don't necessarily enjoy vehicles that inherently make a statement, driving a Cooper S Convertible around this style-conscious town at least attunes your sensibilities to the Mini norm. Since there isn't much mechanically or stylistically to differentiate the new Convertible from its Hardtop fraternal twin, we can cover the basics quickly. The exterior sheetmetal is, for better or worse, not much different. That means the large proboscis – a nod to pedestrian impact standards and a variety of other engineering and safety concerns – and longer rear overhang carry over. The jutting underbite and slightly walleyed headlight stance exaggerate how bulbous the front end has become with each subsequent generation. Taken in isolation, the Mini Convertible is still undeniably cute, but the English bulldog vibe is slowly being pushed out of the corporate design language as each new Mini is gently inflated. At some point, we'll hit the bursting point. The Mini Convertible is still undeniably cute, but the English bulldog vibe is slowly being pushed out of the corporate design language. Even in the space-compromised Mini Convertible, total cargo area increases by 25 percent to a useful 7.6 cubic feet maximum. The Easy-Load function, which props up the back edge of the soft top on a pair of spindly plastic struts, is a bit fussy but helps get awkward items in and out of the surprisingly deep cargo area. Smaller or soft luggage should go in without issue. Larger items might be better suited for the back seat. If you're buying a four-seat convertible, you should be prepared for these compromises ahead of time. Speaking of time, the top's operation is reasonably quick. It takes 18 seconds to raise or lower the top, at up to 18 mph. It was fast enough for a stoplight change to test out the situation with the lid on. If you've ever been in a last-generation Mini 'Vert, it's about the same – big blind spots mar the view, but it's remarkably quiet.

Mini Hardtop's next generation could be smaller, electric-only

Mini has started developing the fourth-generation Hardtop it will release in the early 2020s. Many aspects of the car aren't set in stone yet, but the company's chief executive revealed his team is considering making the hatchback smaller than the current model by offering it only as an electric car. The cheeky Hardtop has ballooned in size since the first-generation model arrived in 2000. The current, two-door variant of the car (pictured) is eight inches longer, two inches taller, and about 250 pounds heavier than the original BMW-developed hatchback. Company boss Bernd Koerber told British magazine Auto Express that he's pushing his team to make the next Mini small again. Going electric-only would allow engineers to get close to the original Hardtop's footprint. An electric motor is more compact than a comparable gasoline-powered engine, and the battery pack can be cleverly integrated in a part of the car that doesn't extend its length. Whether Mini will manage to integrate a bulky battery pack into the Hardtop while shaving 250 pounds remains to be seen. "I would love to see Mini move back to the essence of clever use of space. That means the outer proportions on the core Mini Hardtop could be reduced. I can see that happening," Koerber explained. He added shrinking the hatchback wouldn't make it less practical. Auto Express speculated Mini might sell the current, third-generation Hardtop alongside its replacement for several years to satisfy motorists not interested in going electric. This strategy will become increasingly common during the 2020s; the Fiat 500 will soldier on in Europe after the launch of its battery-powered successor, and Porsche confirmed it will manufacture the first- and second-generation variants of the Macan side by side to give customers exactly what they're looking for. Going electric-only wouldn't be the cheapest, easiest way to replace the Hardtop. The firm can't use the BMW-sourced platform that underpins the recently-released Cooper SE because it's too big, so it would need to develop a new architecture specifically for it. Engineers would also need to figure out how to develop an electric follow-up to the John Cooper Works-badged hot hatch. None of these problems are insurmountable, but they're expensive to solve, so Mini's executives are giving themselves time to weigh the pros and cons of reinventing the heritage-laced British icon yet again.