The 740i M Sport is powered by a 3.0-litre inline-six turbocharged petrol engine with 48V mild-hybrid technology, producing 381 hp and 540 Nm of torque . The i7 xDrive60 features dual electric motors with all-wheel drive, producing 544 hp and 745 Nm of torque, accelerating from 0-100 km/h in 4.7 seconds . The i7 is equipped with a 105.7 kWh battery pack . For buyers considering the BMW 7 Series, that matters because it affects how easy the car is to live with, whether for commuting, family use, long-distance driving or ownership costs. The useful way to read this is not as an isolated specification, but as a clue to how the car will feel in real daily use.