Porsche's four-door sports sedan is getting a guilt-free jump in power and fewer emissions with the Panamera Turbo S E-Hybrid. The twin-turbo V8 is now paired with a 134 horsepower electric motor, bringing total output to 689 horsepower and 643 lb-ft of torque. This means better acceleration, with a factory claim of 3.2 seconds to sprint from 0-60. Redesigned headlights and larger side intakes differentiate the Turbo S E-Hybrid from the rest of the line, along with three different wheel options and two new colorways. The chassis, electronic control systems, and all-wheel-drive system has been tweaked to better utilize the improved power, and Porsche's ceramic-composite brakes are standard. Orders are starting now, with the model arriving at dealers in December.