POV test drive video of the BMW 630d xDrive Gran Turismo. The BMW 6 Series 630d GT xDrive has a 6 cylinder in-line 2.993 cc diesel engine that delivers 265 hp and 620 Nm of max. torque. The BMW 630d xDrive GT goes from 0-100 km/h in 6 sec. and it has a top speed of 250 km/h. The BMW 630d xDrive GT has an 8-speed steptronic automatic transmission and is four wheel drive.