Frankfurt 11' Preview: 2012 Audi S8 Unveiled with 520 HP

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Audi has unveiled the high-performance version of the A6, the S6 and S6 Avant. Joining those models is the high-performance version of the A8, the S8.

The flagship S8 is powered by a new twin-turbocharged 4.0L V8 that generates 520 2012_Audi_S8_V8_2.jpghorsepower and 479 lb-ft. of torque. The 4.0L V8 replaces the old 5.2L V10. The 2012 S8 reaches 0-62 mph in 4.2 seconds and as a electronically-limited top speed of 155 mph. Compared to the old 5.2L V10, the new 4.0L is almost 23 percent more fuel efficient thanks to “cylinder on demand” technology and a start-stop system. The 4.0L V8 is mated to an eight-speed tiptronic gearbox.


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