Can anyone kindly tell me the offsets for my front (8.5x19) and rear (11x19) wheels on my 2013 C2 991 coupe? I am trying to order 19" Ruger wheels and all vendors tell me their 19" wheels are incompatible. I suspect it is what they are calling the offset of the rears. Moreover, though the car bears its original 285/35 rears, most wheel vendors consider the stocks to be 295/35. Any help would be appreciated.

 

For a C2 w/ 19" wheels, stock offsets are:
F: 19x8.5, 54mm
R: 19x11, 69mm

You can use up to:
45mm in front
56mm in rear

That would make it real agressive.
So go less if you want a more stock look.
But with 235/285 you will have ample clearance.
You could even do a 245 front.

 

Lunarx-

Thank you very much for supplying information I could not find in the manual. Mine is also black-on-black.

 

I think some 19's won't work on our cars....the rear suspension piece is the main issue.