The BMW X6 M comes with a twin-turbocharged 4.4 litre petrol V8 which develops 408kW and 680Nm of torque, the latter of which is available from between 1500 and 5650 rpm. Performance is suitably brisk: the 0-100km/h sprint can be done away with in just 4.7 seconds. For the full story please visit themotorreport.com.au