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Feb 20, 2016, 6:00 am206 pts
Green Car CongressFor more than 30 years, Audi quattro has been a permanent all-wheel drive system. (Earlier post.) In 2015, more than 40% of all Audi customers chose a quattro model; the Audi Q5 topped the list with more than 260,000 units. Audi is now introducing a new “quattro ultra” technology that combines driving…
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