When the doors open to the 64th IAA International Motor Show on the September 13, Audi will hold the world premiere of the all-new S7 Sportback.
The most potent member of the A7 Sportback family to date debuts a new 4.0-liter twin-turbocharged TFSI V8 engine that will also find its way under the hood of a variety of VW Group models including Audi's own S6 and even Bentley's Continental series.
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