"Rather than just bolting an electric motor to an existing 911, Porsche designed an entirely new 3.6 L flat-six engine, taking the opportunity to ditch the belt drive and move some of the ancillaries, which can instead be powered by the car's 400 V traction battery. The system debuted in the 911 GTS T-Hybrid, which Ars recently reviewed. For that car, Porsche added a single electric turbocharger, which works like the MGU-H in a Formula 1 car."
"It spins up almost instantly to 120,000 rpm to eliminate throttle lag, but also recaptures excess energy from the spinning turbine and sends that to the 1.9 kWh battery pack. The result is a turbocharged engine that has a remarkable throttle response that's more like an EV, with no perceptible lag between initial tip-in and power being delivered to the wheels."
Porsche debuted a new 911 variant at the IAA Mobility show in Munich that becomes the most powerful 911 to date outside limited-run models, accelerating 0–60 mph in 2.4 seconds. The car uses a newly designed 3.6 L flat-six that removes the belt drive and powers some ancillaries from a 400 V traction battery. The hybrid system features electric turbochargers first seen on the 911 GTS T‑Hybrid, including motors that spin to 120,000 rpm to eliminate turbo lag and reclaim turbine energy into a 1.9 kWh battery. The 2026 911 Turbo S adds twin electric turbochargers and a 53 hp motor in the gearbox for combined output of 701 hp and 590 lb-ft, cutting 124 mph to 8.4 seconds.
Read at Ars Technica
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