Jay Leno tests the all-new 2010 Porsche Panamera, which has an “elegant roof arch extends stylishly over the generous interior, simply begging the beholder to get inside.” Video after the break. Click here for first picture in gallery.

Porsche has developed superior and up-to-date power units for the Panamera again reflecting all the qualities typical of the brand � the V-engines within the engine compartment come with 6 and 8 cylinders and range in power from 300-500bhp.

[via Seriouswheels]