Motor Trend is an American automobile magazine. It first appeared in September 1949, issued by Petersen Publishing Company in Los Angeles, and bearing the tagline "The Magazine for a Motoring World". Petersen Publishing was sold to British publisher EMAP in 1998, who sold the former Petersen magazines to Primedia in 2001. As of 2007, it is published by TEN: The Enthusiast Network (formerly Source Interlink Media). It has a monthly circulation of over one million readers.