The Laurin & Klement FCS was the successor of racing and sports car model, the FC. The much improved car came in 1908 and was only produced for one year.

The water-cooled, OHV four-cylinder, four-stroke engine had a displacement of 1994cc, 2439cc, 2940cc or 3486cc depending on the customers orders. The engines had a power output of up to 96 hp (71 kW). The power was transferred through a gearbox and the drive-shaft the rear wheels. The chassis of the car consisted of riveted steel U-profile beams.