A refreshed Porsche Panamera is on the way, but this is an especially odd example because the engineers fit extended exhausts at the back. At the Nürburgring, this often means that companies are evaluating a revised powertrain, and there's a concern that it could be too loud for the track limits – like the Corvette ZR1's development

This could be the range-topping variant with up to 820 horsepower (612 kilowatts). It allegedly matches a turbocharged V8 and hybrid assistance like the existing Panamera Turbo S E-Hybrid but with significantly more power.

Porsche Panamera Spied With Long Exhaust Tips Could Pack 820 HP