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Audi's next S7 spotted sporting Prologue-inspired nose

Our spy photographers caught the next-generation S7 testing at the Nurburgring, and this newest version, while still retaining the S7's hatchback profile, updates it with design cues from the Prologue concept. The front is the most distinctly updated part of the car, and pulls the most from the concept. The grille has been widened and given more defined corners that exaggerate the hexagonal shape. The headlights have been slimmed down and are more in line with the grille. These changes give the front of the new S7 a lower, wider look than its predecessor. Speaking of grilles, we also spot a heat exchanger tucked inside the grille opening on the left corner. We're not sure if this is an intercooler, an additional radiator or perhaps an oil cooler, but clearly something needed a bit more airflow. We don't really have any indications of what powertrain the new version will have, but it will probably have a higher output than the current 450-horsepower S7. Moving around to the back, the much-loved arching hatchback profile drops to a revised tail. The taillights, like the headlights, are more slender than they used to be, and they also appear to have been stretched closer to the center of the rear fascia. The base of the hatchback opening appears to have been widened as well. This doesn't have much of an effect on style, but it should make it easier to load cargo into the S7 and its stablemates. As for when we'll see this new hatch revealed, we're not sure. But this prototype looks close to production-ready, so we could see a debut soon, perhaps sometime next year. Related Video: Featured Gallery 2018 Audi S7 spy photos View 19 Photos Image Credit: CarPix Spy Photos Audi Hatchback Luxury Performance audi s7

Audi Sport Quattro Concept makes video debut

Audi has stayed quiet about its Sport Quattro Concept since the 700-horsepower, tangerine rocket debuted at the 2013 Frankfurt Motor Show - a followup to Quattro Concept shown at the 2010 Paris Motor Show. Now, Audi has broken the plug-in hybrid out to give thanks to its Facebook fans, which now number over 100,000 strong (103,123 as of this writing).
As impressive as that number is, it does seem a bit strange that Audi USA's Facebook page has netted 7.3 million likes, 73 times what Audi's global page has received. Of course, we're not complaining about seeing the Sport Quattro Concept in action, and neither should you. Take a look below for the entire video.

Audi says new 48 volt micro-hybrid system improves fuel economy, paves way for electrification

Most cars use a 12-volt system to power their electrical components. But, with more and more electric bits and bobs being added to new vehicles, a dozen volts is looking a bit weak these days. In fact, Audi says that standard 12-volt systems are being stretched "to their very limits." Enter 48 volts. If used in a car that gets 40 mpg, that would translate to around 43.5 mpg. Audi is testing a supplemental 48-volt electric system in two prototype vehicles – modified mild-hybrid versions of the A6 TDI and the RS 5 TDI – in order to add in more electric technology (an electric compressor, for example, to improve acceleration) and "convenience systems for dynamic chassis control." Audi says it has more applications in the pipeline, but the overall gist is that the German automaker sees 48 volts as an "important building block in electrification strategy." As you can see in the picture above (click to enlarge), the RS 5 TDI concept uses a li-ion battery installed in the back of the car and an alternator to provide 48 volts when the engine is off. Audi says that the 48-volt system can save up to 0.4 liters of fuel per 100 kilometers. To put that into US numbers, if used in a car that gets 40 miles per gallon today, that would translate into a bump up to around 43.5 mpg. The Advanced Lead Acid Battery Consortium (ALABC) is also working on a 48-volt system to improve fuel economy and we've got a deep dive of Audi's electric turbocharger here. Even more powerful and efficient – the new 48-volt technology from Audi Important building block in electrification strategy More voltage and more power for new technologies Scalable platform concept suitable for wide-ranging uses Ingolstadt, August 25, 2014 – Audi is to upgrade part of its vehicle electrical system from twelve to 48 volts. The move represents another technical building block for facilitating the integration of new automotive technologies while increasing the power and efficiency of its cars. "We are using the full bandwidth of electrification in our drive principles strategy. Running part of the vehicle electrical system at 48 volts plays a central role in this," commented Prof. Dr. Ulrich Hackenberg, Member of the Board of Management for Technical Development at Audi. "It enables us to make more energy available.