Auto news publisher and ad network High Gear Media has acquired MotorAuthority.com, which focuses on luxury and performance cars. No financial details. MotorAuthority brings to 39 the total of owned-and-operated sites on the High Gear platform, which targets in-market car buyers according to interests and lifestyle. It was founded in 2006 by Siddharth Raja. HGM offers news, reviews and recently added user-gen articles along with aggregating Twitter comments on a make/model basis; the sites include flagship TheCarConnection.com, AllAboutPrius.com, FordReports.com, etc.

HGM’s internal numbers show nearly 2 million uniques across its network, according to the company. The Palo Alto-based company has raised about $12 million in two rounds from investors DAG Ventures, Accel Partners and Greylock Partners.

• Auto News Aggregator High Gear Media Gets $5.5 Million Second Round