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Issue link: https://digital.miamilivingmagazine.com/i/1419443
Battery and Driving Modes The car has a 7.9 kWh lithium-ion battery for regenerative braking, which gives the car an electric range of 26 km (16 mi). The car has four driving modes depending on road conditions. The modes are changed using the eManettino rotary knob on the steering wheel. In eDrive mode, the car drives using only the electric motors. In hybrid mode, both the internal combustion engine and the electric motors are used. This is the car’s default mode. In this mode, the vehicle’s on-board computer (called the control logic) also turns off the engine when conditions are ideal to save fuel and allow the driver to restart the engine. Performance mode runs the engine to recharge the batteries and keeps the car responsive for optimum performance. Qualify mode uses the full potential of the drivetrain. The control logic uses three main areas: the car’s high-voltage control (including the batteries), the RAC-e (Rotation Axis Control -electric) torque vectoring system, and the MGUK along with the engine and transmission. Powertrain The SF90 Stradale is equipped with three electric motors that add a combined output of 220 PS (162 kW; 217 PS) to a twin-turbocharged V8 engine producing 780 PS (574 kW; 769 PS) at 7,500 rpm. The car’s total output is 1,000 PS (735 kW; 986 hp) at 8,000 rpm and maximum torque of 800 N·m (590 lb·ft) at 6,000 rpm. The engine is an evolution of the unit used in the 488 Pista and F8 Tributo models. The engine’s displacement is now 4.0 litres (3,990 cc) by increasing the bore of each cylinder to 88 mm. The front wheels are driven by two electric motors (one for each wheel) that provide torque vectoring. They also act as reverse gears, as the main gearbox (eight-speed dual clutch) has no reverse gear.