The "Praga R1R" is a 2-door coupe which was built between 2015 and [ Year ] . It is equipped with a turbo-charged 1998 ccm Inline4 otto engine which produces up to 390 bhp (290.8 kW) and 530 Nm of torque. The car weighs 670 kg, giving it a power-to-weight ratio of 1.72 kg/bhp. Praga states a sprint value of 3 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, 68 units of this variant of the R1 were built.