BMW India has added a diesel powertrain option to the 6-Series GT lineup in with prices starting at Rs 66.50 lakh for the Luxury Line and going up to Rs 73.70 lakh (both prices, ex-showroom pan India) for the M Sport variant. Called the 630d, it’s powered by a 3.0-litre, 6-cylinder unit which churns out 265PS of max power and 620Nm of peak torque. It comes mated to an 8-speed steptronic sport transmission which helps it clock the 0-100kmph sprint in 6.1 seconds.