2013 Audi S6

The Audi S6 is the high performance variant of the Audi A6, an executive car produced by German automaker Audi. It went on sale in 1994, shortly after the "A6" designation was introduced, replacing the "100" nameplate.

The original S6 (Ur-S6) was largely the same car as the outgoing, original Audi S4 (C4) (Ur-S4), with the only visible differences being new body-cladding and badging. In certain markets where the even-higher performance RS6 which is also based on the A6 is not sold, the S6 is the most powerful A6 trim there.

The S6, like all Audi "S" models, is fitted as standard with Audi's trademark quattro four-wheel drive (4WD) system, the S6 using the Torsen-based permanent 4WD.

Audi’s lineup of V-8–powered S models is growing, and each S has its own place. Of the four models with the new twin-turbocharged 4.0-liter V-8, the 420-hp S7 is the beauty, and the 520-hp S8 is the big daddy with lots of extra baubles. The Europhile’s choice, the S6 Avant, won’t be offered here, which leaves the four-door S6 as the serious performance sedan. Under the skin, it is virtually identical to the S7. But thanks to the lack of a hatch and its slightly more compact dimensions, the S6 weighs about 100 fewer pounds, and it has a slightly narrower track. The chassis components are identical, however, and so are the engine and the transmission.

Which is a good thing. As in the S7, the force-fed V-8 produces 420 hp at 6400 rpm, and maximum torque—an impressive 406 lb-ft—is available from 1400 all the way to 5200 rpm. The power is put through a seven-speed dual-clutch transmission and a rear-biased all-wheel-drive system.

The 2013 S6 walks in some big footprints. Its immediate predecessor was more powerful, packing a 435-hp naturally aspirated 5.2-liter V-10. And that powertrain was capable of sending a chill down your spine simply from its F1-like exhaust note. The new V-8 emits a menacing growl but doesn’t quite match up to the raging V-10. On the plus side, the new engine is not only a bit more torquey but also more efficient—by a whopping 25 percent, according to Audi. It’s also much quicker.

more on:  caranddriver.com

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