The Pirelli Tyre Group is suppling Porsche AG with summer and winter homologations for the 2010 Panamera. The original equipment tires include the P Zero for summer fitments and Winter Sottozero Serie II for winter fitments.
The summer P Zero N0 OE tire sizes are:
* Front, 245/50ZR18 (100Y); rear, 275/45ZR18 (103Y).
* Front, 255/40ZR20 XL (101Y); rear, 295/35ZR20 XL (105Y).
The Winter240 Sottozero Series II N0 OE size fitments are:
* Front, 245/50ZR18 (100V); rear, 275/45ZR18 (103V).
* Front, 255/40ZR20 XL (101V); rear, 285/35ZR20 XL (104V).
There are also 19-inch summer and winter tire sizes "under development," according to Pirelli.
