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 (formerly Source Interlink Media). It has a monthly circulation of over one million readers.