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Trevor Bayne Out! Pet Care Toyota Jason Leffler David Carl Allison
Friday
420-hp Twin-Turbo V8 Joins 2013 Audi A8 Lineup, Priced at $81,795
Audi will launch a version of the A8 later this summer aimed directly at the BMW 750Li and Mercedes-Benz S550. The A8 4.0T borrows a twin-turbocharged 4.0-liter V-8 from the Audi�S6 and�S7; it makes�420 hp and 406 lb-ft of torque. A higher-output version of this engine is used in the 520-hp S8. Like all A8 [...]
