Rolls-Royce Spectre  

    Power consumption: 2.9 mi/kWh, 21.5 kWh/100km. Electric range 323 mi / 520 km. NEDC: CO2 emissions 0 g/km.

   577 horsepower and 664 pound-feet of torque are expected to move the big coupe to 60 mph in 4.4 seconds.