The Ford Sierra was a large family car designed by Uwe Bahnsen, Bob Lutz and Patrick le Quément. The car was intended to replace the Ford Cortina and Taunus lines. The RS Cosworth was a high-performance version of the Ford Sierra, fitted with a 2.0L turbocharged Cosworth inline-4.
From the back of the 2022 card:
Designer: Ford
This double rear winged, high performance sedan is ready for road or rally racing. Popular in Europe, it became a go-to speed machine for Group A racing.