Audi boosting investments to catch BMW

Volkswagen's Audi division, the world's second-biggest maker of luxury cars, plans to spend 22 billion euros ($30.3 billion) through 2018, pushing models such as electric autos to gain the top spot in the premium segment.

Audi is attempting to surpass BMW as the top luxury auto maker by the end of the decade, according to NorthJersey.com.

BMW also is investing, with plans to introduce 25 models in 2013 and 2014.

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