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"If performance car debuts are anything like games of poker, Audi will have one of the strongest hands at this year&amp;#039;s Frankfurt Auto Show. The German automaker will unveil the 2012 S6 sedan and wagon (Avant in Audi-speak), S7 Sportback and range-topping S8 ultra-luxury performance sedan. At the heart of all three new models\u2014four if you include the S6 Avant\u2014is a new turbocharged 4.0-liter V-8 engine that produces up to 520 bhp.   Audi S6 and S6 Avant   Audi calls the S6 sedan and S6 Avant &amp;quot;sports cars for everyday use.&amp;quot; Powered by a 420-bhp version of the new twin-turbocharged 4.0-liter TFSI V-8 engine, both come with a 7-speed S tronic transmission and standard Quattro all-wheel drive. An adaptive air suspension allows the driver to choose from among five different settings. There are seven choices of alloy wheels available, all 19s or 20s. According to Audi, the S6 sedan sprints from 0 to 62 mph in 4.8 seconds. The S6 Avant takes only a fraction longer\u20144.9 sec. Both cars are electronically limited to a top speed of 155 mph.           Externally, the 2012 Audi S6 and S6 Avant are fractionally longer than the standard A6 sedan or wagon. The single-frame grille has aluminum highlights and chromed horizontal double bars. The exterior mirrors have &amp;quot;aluminum-look&amp;quot; housings, and the side sills are unique to each model. The biggest visual giveaways are toward the rear, with the S6 sedan&amp;#039;s trunk-mounted spoiler (roof-mounted on the Avant), four chrome-tipped tailpipes and platinum gray diffuser.   Audi S7 Sportback   The same powertrain in the S6 also makes its way into the gorgeous S7 Sportback. We&amp;#039;ve already raved about this car&amp;#039;s sleek styling, and upping power from the standard 310-bhp 3.0-liter V-6 will only make this a more appealing package. Some might be turned off by the hatchback design (notice Audi&amp;#039;s clever use of the Sportback name). Yet even with the rear seats not folded, there&amp;#039;s 18.9 cu ft. of luggage space in the back. Drop those seats and you have a cavernous 49 cu ft. of room.           This means you&amp;#039;ll be able to haul more than, well, you get the idea. Audi says the all-wheel-drive S7 Sportback will reach 62 mph in 4.9 seconds, and has a top speed limited to 155 mph. At highway speeds, a subtle rear spoiler extends from the roof for added aero grip. Carbon-ceramic disc brakes are available as an option. And for anyone who really hates stopping (for gasoline), Audi&amp;#039;s &amp;quot;cylinder on demand&amp;quot; technology tempers the twin-turbo V-8&amp;#039;s thirst for fuel, allowing the S7 to average 24.2 mpg. EPA numbers will likely be lower, but this nevertheless is impressive. Like the S6, the S7 Sportback has unique alloy wheels, revised front and rear bumpers, and aluminum-look coverings on the side mirrors.   Audi S8   Finally, the Audi S8, the head of the S family of performance machinery. Thanks to Audi Space Frame (ASF) technology, the aluminum platform underpinning this large luxury sedan keeps curb weight in check. Weighing in at 4354 lb., this new S8 is powered by a 520-bhp twin-turbo version of the same 4.0-liter TFSI V-8 engine. Equipped with an 8-speed Tiptronic transmission, the S8 needs only 4.2 seconds to accelerate from 0 to 62 mph.           A sport differential and driver-adjustable air suspension balances the combination of sport and luxury that an S8 owner demands. In keeping with its flagship image, the S8 comes loaded with high-end features such as adaptive cruise control with a stop &amp;amp;amp; go function, Audi side assist and Audi lane assist, night vision, and S8-specific sport seats. A parking system using a 360-degree camera is also fitted, which should help avoid curbing the S8&amp;#039;s lovely 20- or 21-in. alloy wheels.   Look for the 2012 Audi S6 sedan and Avant, Audi S7 Sportback, and Audi S8 to go on sale in the spring. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.roadandtrack.com/car-shows/frankfurt-auto-show/news/a17616/audis-hot-new-s-models/>