The biturbo V8 in the new RS Q8 combines maximum performance and high efficiency. Its mild-hybrid system (MHEV) is based on a 48-volt main electrical system. The core of the MHEV is a belt alternator-starter connected to the crankshaft. During deceleration and braking, it can recover up to 12 kW of power and store it in the compact lithium-ion battery. If the driver takes their foot off the accelerator at a speed between 55 and 160 km/h (34.2 to 99.4 mph), the drive management selects one of two solutions depending on the driving situation and the current setting of the Audi drive select dynamic handling system: The new RS Q8 recuperates or coasts for up to 40 seconds with the engine off. The belt alternator starter starts the engine within fractions of a second when the accelerator is actuated. MHEV technology allows for start/stop operation at a speed of up to 22 km/h (13.7 mph). The mild-hybrid system is connected to the camera sensors for even greater efficiency. When stopped, the engine starts up while the brake pedal is still depressed as soon as the front camera detects that the vehicle in front of the new RS Q8 begins to move.
Leave a Reply