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The new transmission is 10 kg (22 lb) lighter and more compact than the existing 7-speed transmission used by the other offerings of the manufacturer partly due to the absence of a dedicated reverse gear since reversing is provided by the electric motors mounted on the front axle. The engine of the SF90 Stradale is mated to a new 8-speed dual-clutch transmission.
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They also function as the reversing gear, as the main transmission (eight-speed dual-clutch) does not have a reversing gear. The front wheels are powered by two electric motors (one for each wheel), providing torque vectoring. The engine utilises a smaller flywheel and an inconel exhaust manifold. The assembly for the turbochargers is lower than that of the exhaust system and the engine sits 50 mm (2.0 in) lower in the chassis than the other mid-engine V8 models in order to maintain a lower centre of gravity. The cylinder heads of the engine are now narrower and the all-new central fuel injectors run at a pressure of 350 bar (5,100 psi). The intake and exhaust of the engine have been completely modified. The engine's capacity is now 4.0 L (3,990 cc) by increasing each cylinder bore to 88 mm (3.46 in). The engine is an evolution of the unit found in the 488 Pista and the F8 Tributo models.
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The car is rated at a total output of 1,000 PS (735 kW 986 hp) at 8,000 rpm and a maximum torque of 800 N⋅m (590 lb⋅ft) at 6,000 rpm. The SF90 Stradale is equipped with three electric motors, adding a combined output of 220 PS (162 kW 217 bhp) to a twin-turbocharged V8 engine rated at a power output of 780 PS (574 kW 769 hp) at 7,500 rpm. The control logic system makes use of three primary areas: the high-voltage controls of the car (including the batteries), the RAC-e (Rotation Axis Control-electric) torque vectoring system, and the MGUK along with the engine and gearbox.
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The Qualify mode uses the powertrain to its full potential. The Performance mode keeps the engine running in order to charge the batteries and keeps the car responsive in order for optimum performance.
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In this mode, the car's onboard computer (called control logic) also turns off the engine if the conditions are ideal in order to save fuel while allowing the driver to start the engine again. The Hybrid mode runs the car on both the internal combustion engine and the electric motors and is the car's default mode. The eDrive mode runs the car only on the electric motors. The modes are changed by the eManettino knob present on the steering wheel. The car comes with four driving modes depending on road conditions. The car has a 7.9 kWh lithium-ion battery for regenerative braking, giving the car 26 km (16 mi) of electric range. Specifications Battery and driving modes