The World Rally Championship, a Rallying series organised by the FIA, started in 1973, but didn't officially include a drivers' championship until 1977. The first drivers' title was won by Italy's Sandro Munari. The undisputed king of the dirt is Frenchman Sébastien Loeb, who won nine straight WRC titles between 2004 and 2012, all for Citroen, before stepping down from the sport to compete in Touring Cars. The current reigning world champion is Sébastien Ogier, who has won the driver's title for five consecutive years since 2013. As of 2018, cars used in the Championship have to comply with the World Rally Car standard, with 1.6 L direct injection turbo engines and four-wheel drive. Engine power is limited to 380 bhp (225 kW). Rallies were formerly held for the Group B car class, which had few restrictions on engine output and materials used (to the point that the cars used are essentially In-Name-Only analogues of road cars they were superficially based on - the Metro 6R4 has little in common with the Austin Metro economy car save for the body shape, similar to how NASCAR vehicles are constructed), but was shortly banned following a series of accidents that cost the lives of several drivers and spectators. Despite the aforementioned tragedies, fans of the sport view Group Bnote as the WRC's Golden Age.