Advanstar Communications announced Monday that it has purchased Off-Road.com from Rubicon Media Group, reported BtoB Online. The acquisition of the consumer Web site adds to Advanstar’s growing position in automotive-related industries. Advanstar launched its Off-Road Group in 2004 with DIRTsports, a consumer publication targeted toward off-road motorsports enthusiasts; Off-Road Retailer, a trade publication; and the Off-Road Impact Trade Show & Conference.