Here’s an extensive review of Audi’s superb TT RS Coupé by Charlie Romero for Roadfly TV. Thanks to its turbocharged 2.5 L five cylinder powerplant, the TT RS has 253 kW (340 hp) to play with; enough for a 0-100 km/h time of 4.6 seconds and an unlimited top speed of 281 km/h (174 mph).