Most car buffs are familiar with the gargling from a Ford Mustang's V-8.
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If you were at Audi's 2012 Consumer Electronics Show display, you might think you were in Frankfurt instead of Las Vegas, as the predominant language spoken at the display was German.
If you sprung for the moonroof on your Audi Q5, you might want to sit down for this bit of news.
Audi will build a new four-cylinder engine to run as smoothly as a V-6 or V-8.