The V6 biturbo develops 331 kW (450 hp) in the new Audi RS4 Avant. Its peak torque of 600 Nm (442.5 lb-ft) - 170 Nm (125.4 lb-ft) more than the previous model - is available across a broad engine speed range from 1,900 to 5,000 rpm. It is key to how the Audi RS4 is able to sprint from 0 to 100 km/h (62.1 mph) in 4.1 seconds. The top speed is 250 km/h (155.3 mph). With the optional RS dynamic package, the top speed increases to 280 km/h (174.0 mph).