Previous versions of the Audi S6 and S7 were powered by a 450-horsepower turbocharged V8. For the 2020 S6 and S7, Audi went the downsizing route and gave both vehicles a smaller yet equally potent twin-turbocharged 2.9-liter V6 engine. Producing 444-horsepower and more torque than the V8, something is afoot.
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