A new study from R.L.
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Much as BMW has its M division and Mercedes-Benz can turn to AMG when they want to make fast cars, Audi relies on its own in-house tuner, Quattro GmbH.
Auto shows are a time for carmakers to display their hottest new models, boast about big horsepower numbers, and showcase low-to-the-floor, stylish, swoopy concept cars that have no chance of making it to production.
Audi debuts high-speed Internet on the 2015 A3.