The "Praga R1S" is a 2-door coupe which was built between [ Year ] and [ Year ] . It is equipped with a 1998 ccm Inline4 otto engine which produces up to 235 bhp (175.2 kW) and 250 Nm of torque. The car weighs 592 kg, giving it a power-to-weight ratio of 2.52 kg/bhp. Praga states a sprint value of [ Time ] s from 0 to 100 km/h and claims a top speed of [ Top Speed ] . The engine is attached to a 6-speed sequential gearbox, which routes the power to the rear wheels. In total, [ Number ] units of this variant of the R1 were built.