ATLANTA – www.autotrader.com, ranks highest in satisfying dealers among new-vehicle lead services and, for the fourth consecutive year, used-vehicle lead services, according to results from the 2007 J.D. Power and Associates Dealer Satisfaction With Online Buying Services Study.

AutoTrader.com’s top rankings mark the first time one company has simultaneously rated highest in both the new vehicle and used-vehicle segments.

AutoTrader.com ranks highest in the study’s new-lead services segment and leads the industry in 7 of the 10 satisfaction factors that comprise the index. The company receives the industry’s highest score in dealer support/service and scores among the highest in the business generation measure, powered by a strong performance in quality of leads and gross profit margin on leads.

For a fourth consecutive year, AutoTrader.com also ranks highest in the study’s used-lead services segment, leading the way in 11 of 13 satisfaction factors this year. Also contributing to its overall highest ranking, the company receives the highest scores from dealers in four of the five factors measured, including: business generation, dealer support/service, transmission of leads, and advertising to consumers. According to the study, AutoTrader.com’s strength is in the business generation measure.