New European Driving Cycle
The 740e iPerformance features the same drivetrain as the BMW X5 xDrive40e plug-in hybrid, and has an all-electric range is , dropping to in the xDrive version, both under the New European Driving Cycle (NEDC). Under the EPA test cycle, the all-electric range was rated at . According to EPA, the 740 burns some petrol during the first 14 miles, so the actual all-electric range varies between 0 and 14 miles.