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First Look: 2009 Audi A6

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2009 Audi A6

Audi is working quickly to update its lineup these days, with the 2009 Audi A6 the latest model to get a makeover. While it’s not getting the same level of attention as the redesigned 2009 A4, a major engine addition and a number of minor tweaks should help the refreshed A6 maintain lead in global sales over the BMW 5 Series and Mercedes-Benz E-Class, which it holds despite selling just 12,000 vehicles in the U.S. in 2007, compared with almost 49,000 for the E-Class and more than 54,000 for the 5 Series.

New to the 2009 Audi A6’s engine options is a supercharged, 3.0L direct-injection V-6 rated at 300 hp and 310 lb-ft of torque in U.S. spec. Called the 3.0 TSFI V6, the engine has a relatively high 10.5:1 compression ratio, a bore size of 3.33 in. and a stroke of 3.5 in. The supercharger is a Roots-style unit with twin four-vane rotors housed entirely between the cylinder banks. The vanes can spin at up to 23,000 rpm, pushing through 2204.6 lb of air per hour at a maximum boost pressure of 11.6 psi. This design allows the engine to hit its torque peak at just 2500 rpm and sustain that output until 4850 rpm. Peak power comes at slightly below 5000 rpm and revolutions top out at 6500 rpm. The entire package is fairly lightweight, tipping the scales at about 417 lb.

The 2009 Audi A6 makes its global debut this month at the Moscow auto show and goes on sale in January 2009 in the U.S. Pricing will be announced at a later date, but expect it to remain roughly the same as that of the present car.

Rating: ★★★☆

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