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Next Audi R8 to eschew engine downsizing, go on diet instead

Looking across the Audi landscape, many models that used to get the company's high-revving, naturally aspirated 4.2-liter V8 are now powered by smaller, yet similarly powerful, forced-induction engines. From what Auto Express is reporting, though, the next-generation Audi R8 will not meet this same fate.
Rather than ditching its V8 and V10 powerplants, the next-gen R8 - expected to debut in 2015 - will shed pounds from its curb weight. The 2014 R8 currently weighs between 3,583 pounds and up to 3,957 pounds, but the report says that engineers are targeting a weight of less than 3,300 pounds. All models will get cylinder deactivation, which along with lower curb weights should help to improve fuel economy and emissions. Head on over to Auto Express for more reported information as well as a handful of renderings that take a stab at how the next R8 may look.

Audi TT Sportback Concept evolves the five-door breed

One week after a leaked sketch ran on these very pages, Audi has introduced the latest member of a "potential TT family," according to Audi board member Dr. Ulrich Hackenberg. This is the TT Sportback Concept, a five-door, 400-horsepower version of the brand's stylish sports car and at this point, it looks darn likely to herald the debut of a third body style for Audi's design icon.
Unveiled at the expansive Volkswagen group night celebration ahead of the 2014 Paris Motor Show, the TT Sportback Concept is the most evolved version of a form factor that's seen a slow striptease throughout 2014, first with the Allroad Shooting Brake Concept in Detroit and, more recently, in the Offroad Concept from the Beijing Motor Show.
For Paris, the car being shown by Audi is absent traditional concept car traits like oversized wheels, miniscule mirrors and bizarre interior treatments, giving it a far more production ready appearance than either of the previous TT-based concepts. The exterior, meanwhile, is clearly reminiscent of the third-generation car (that roofline is pure TT), although there are a number of styling decisions that remind us of the compact A3, particularly in regards to the taillights.

Audi RS7 prototype is world's sportiest self-driving car [w/video]

Audi may not be the only automaker out there toying with self-driving automobile technology, but it is arguably the fastest of them. A few years back, it raced unleashed a driverless TTS on the Bonneville Salt Flats, then sent it up Pikes Peak and around Thunderhill. But now it's taking things a step further with the vehicle you see here.
This RS7 Sportback has been fitted with steering, brakes, throttle and transmission hooked up to a computer system that combines GPS, high-frequency radio signals and 3D imaging camera to drive the vehicle autonomously not just in slow-paced, stop-and-go traffic, but around the track at the same pace a professional racing driver would push it: full throttle on the straights, full braking before the corner and 1.1-g of cornering force.
As promised, Audi plans to unleash the self-driving RS7 - which it calls "the sportiest piloted driving car in the world" - at Hockenheim next weekend prior to the DTM season finale, where it is anticipated to pull a 2:10 lap time. The next stage will be to set it lose on the Nürburgring Nordschleife, all 154 turns and 13 miles of it, which ought to pose a heck of a challenge to the engineers from Ingolstadt. In the meantime you can scope it out in the high-res image gallery above and the second teaser video below.