The Porsche Panemera is here, available in S and Turbo model. It is powered by 4.8-liter V8 producing 400hp and 500hp respectively. Both will come with Porsche’s PDK 7-speed dual-clutch gearbox. Compare to new 15.9 feet long BMW 5-series, these sedans are consider quite large, it measures 16.3 feet long and 6.3 feet wide.