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Audi A8

The Audi A8 will be ditching its tried-and-true naturally aspirated 4.2-liter V8 engine for the 2013 model year. Instead, the automaker is fitting its flagship sedan with the twin-turbocharged 4.0-liter V8 that's also being used in the S6 and S7, good for 420 horsepower and 406 pound-feet of torque - increases of 48 hp and 78 lb-ft versus the 4.2-liter model.

Audi will continue to offer the 6.3-liter W12 in the A8, as well as the 3.0-liter supercharged V6 that was also added for the 2013 model year. All of the A8's engines are mated to eight-speed automatic transmissions, and Quattro all-wheel drive is standard across the board. The A8 4.0T will start at $80,900, excluding $895 for destination.

Elsewhere in the Audi range, the large Q7 crossover is set to get an upgraded version of the 3.0-liter diesel V6 engine. This massaged mill - which is 55 pounds lighter than before - now produces 240 horsepower (an increase of 15) and 406 pound-feet of torque (same as the 2012 model), and offers improved overall efficiency. The 2013 Q7 TDI is rated at 19/28 miles per gallon (city/highway) - improvements of 2 and 3 mpg, respectively.

The upgraded 3.0-liter TDI now matches the units offered in the Q7's siblings, the Volkswagen Touareg and Porsche Cayenne.

Both the 2013 A8 and Q7 will go on sale later this year. Scroll down for the official press blast.

Continue reading Audi adds 420-HP 4.0T V8 to A8, upgraded 3.0L TDI to Q7 for 2013

Audi adds 420-HP 4.0T V8 to A8, upgraded 3.0L TDI to Q7 for 2013 originally appeared on Autoblog on Fri, 20 Jul 2012 10:59:00 EST. Please see our terms for use of feeds.

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