BMW’s i7 M70 has a dual motor all-wheel drive system output of 485kW and 660 horsepower when the car’s M Launch Control or Sport Boost feature is enabled. The iX M60, in comparison, outputs 455kW and 610 horsepower max. The iX M60 has a nearly comparable zero to 62mph acceleration in 3.8 seconds versus the new 7 Series at 3.7 seconds. Both vehicles are electronically limited to a max top speed of 155mph.with the i7 xDrive60.
As an EV, the M70 has the same 101.7kWh battery as the xDrive60 version, which was advertised at “up to 300 miles” on a full charge in the US market. The M70 has a European WTLP rating of 303–348 miles of range . This efficiency decrease is reflected in BMW’s electric power consumption calculations: 23.8–20.8kWh per 100km for the M70 versus 19.7–18.9kWh for the xDrive60.