3 articles
Group A
Group A: FIA rally classification for modified production cars, homologation basis 5,000 road units; WRC's top category 1987-1996 after Group B's ban, succeeded by World Rally Car rules in 1997; iconic cars include the Lancia Delta Integrale and Subaru Impreza.
Group B
Group B was the FIA rally regulation category used in the World Rally Championship from 1982 to 1986, known for four-wheel-drive turbocharged cars with over 500 bhp, 200-car homologation, and its ban after the 1986 Toivonen and Portugal fatalities.
World Rally Car
World Rally Car is the WRC's rally car formula, introduced in 1997 to replace Group A and free manufacturers from mass-producing road-going versions of their racers.