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Spy video shows Audi RS4 Avant twin-turbo V6 lapping the Nurburgring

Nurburgring testing season is in full swing, and Audi took some of its newest upcoming models for a spin. That means our first listen to Ingolstadt's new, turbocharged RS engine under the hood of the RS4. Based off the updated A4, the new RS4 Avant is a return to the performance variant's roots. The original RS4 (and early versions of the S4) used twin-turbo V6 power, although more recent models stuffed the beloved 4.2-liter V8 under the hood. The turbo engine in the new model is also rumored to find its way into the back of the R8 supercar. We don't know horsepower figures yet, but with 450 horsepower as the benchmark from the last RS4 we expect big numbers from the six-cylinder. The new engine might be just as powerful as the old V8, but as you'll see in the video, it's missing the phenomenal growl that the 4.2-liter made as it revved to the sky. This new car is quiet, especially compared to the ear-tingling five-cylinder note of the TT RS testing alongside the wagon. A quiet performance car is fine if you like stealth, but with its flared wheel arches, oval exhausts, and big wheels, the RS4 is a car that's anything but subtle. Related Video: News Source: Car Spy News via YouTube Spy Photos Audi Wagon Luxury Performance Videos

Audi Quattro tech shoots for the moon

Most automakers seem satisfied building vehicles to drive on the Earth's surface. But not Audi. The German automaker is quite literally shooting for the moon with the vehicle you see here. Called the Audi Lunar Quattro, it forms what promises to be an integral part of one team's campaign for the Google Lunar Xprize. That team calls itself Part-Time Scientists, and is the only German contingent of the 25 that originally entered from around the world and the 15 that are still in the race. Sponsored and technically assisted by Audi, the Lunar Quattro is a solar-powered moon rover. It packs an adjustable solar panel and a lithium-ion battery powering four individual hub motors – one in each wheel. It can only travel at a theoretical maximum of 2.2 miles per hour, but outright speed isn't the point here. It's been designed to traverse the difficult terrain of the moon's finely dusted and craggy surface. It'll need to travel at least 500 meters (1,640 feet) and will transmit high-definition video footage from the twin stereoscopic camera on its swiveling head back to Earth. The lunar rover is scheduled to be launched aboard a rocket from Earth to the moon by the end of 2017. The 240,000-mile trip will take five days and is targeted to land north of the moon's equator – close to the place where Apollo 17 (NASA's last manned lunar mission) landed back in 1972. Before that, though, it'll be presented by Audi sales chief Luca de Meo (who's since been named the head of Seat) at the Cannes Innovations Days forum. You can check it out in the gallery and extensive press release below, but first, we suggest you watch the video playlist above while preparing to check out tonight's red moon eclipse. Related Video: Moon landing mission: AUDI AG supports the German Team at Google Lunar XPRIZE Audi is taking off for the moon – together with the Part-Time Scientists team. The group of German engineers are working within the framework of the Google Lunar XPRIZE competition to transport an unmanned rover onto Earth's natural satellite. Audi is supporting the Part-Time Scientists with its know-how in several fields of technology – from quattro drive and lightweight construction to electric mobility and piloted driving. The moon rover will be named the "Audi lunar quattro." "The concept of a privately financed mission to the moon is fascinating," says Luca de Meo, Audi Board Member for Sales and Marketing. "And innovative ideas need supporters that promote them.

Next Audi R8 to share hybrid tech with Lamborghini Asterion

The second-generation Audi R8 isn't far away, but when it arrives, it could serve to seriously shake up the supercar market according to Audi research and development boss Ulrich Hackenberg.
Speaking to Car in the UK, Hackenberg confirmed quite unequivocally that a plug-in-hybrid model and a pure electric were coming. And as with the current R8, the next-gen model will borrow from Audi's Italian cousins at Lamborghini.
"We are able to make the R8 a plug-in hybrid," Hackenberg told Car. "The Lamborghini Asterion shows this is possible - that car uses the platform of the R8. We will see an increase in the efficiency of high-performance cars - they have to meet CO2 regulations of the future in order to survive."