991.1 GT3 RS: A staggeringly responsive track special and a significant leap in technology compared with its 997 RS predecessor, here's all you need to know about the 991.1 GT3 RS

The RS moniker on Porsche dates from the 1950s, but the first Porsche RS that most think of is the celebrated Carrera 2.7 RS of 1972/3, built to qualify Porsche [...]