Power came from a , single turbocharged Ford-Cosworth "BDT" engine producing in road-going trim, and between in racing trim; upgrade kits were available for road-going versions to boost power output to over . Although the RS had the balance and poise necessary to be competitive, its power-to-weight ratio was poor by comparison, and its engine produced notorious low-RPM lag, making it difficult to drive and ultimately less competitive. Factory driver Kalle Grundel's third-place finish at the 1986 WRC Rally of Sweden represented the vehicle's best-ever finish in Group B rallying competition, although the model did see limited success outside of the ultra-competitive Group B class. However, only one event later, at the Rally de Portugal, a Ford RS200 was involved in one of the most dramatic accidents in WRC history, claiming the lives of three spectators and injuring many others. Another Ford RS200 was crashed by Swiss Formula One driver Marc Surer against a tree during the 1986 Hessen-Rallye in Germany, killing his co-driver and friend Michel Wyder instantly.