GP3 enters its second generation this weekend, as the fourth year of the championship kicks off as a support act to the Spanish Grand Prix.
The series has undergone big changes for 2013, with an updated car, a new engine, a revamped calendar and two new teams. Ocean Racing Technology and Atech CRS are gone, with Koiranen GP and Bamboo-Engineering respectively taking over their entries.
The new-spec car looks quite different to its predecessor in a deliberate attempt to make its appearance closer to that of big brother GP2. But those changes are mainly cosmetic, with new bodywork and aerodynamics bolted onto the original Dallara-built chassis that has been used since GP3 started in 2010.
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Glenn Freeman is the editor of Autosport.com. After 10 years of karting, he decided that writing about motorsport would put less strain on his dad's bank balance than competing, and after obtaining his NCTJ qualifications in newspaper journalism, he joined Motorsport News in 2005.
As deputy racing editor, he covered British Formula 3 and selected international events. He also got the chance to take on boyhood hero Nigel Mansell in a kart race and beat the 1992 world champion.
Glenn left MN to become Autosport.com's international editor in September 2006 and joined the magazine's news desk in January 2008, spending six years as news editor. During that time he covered four seasons of DTM and a year of GP2/GP3, before switching to Formula Renault 3.5 from 2012-14. He became the website's editor in 2014.