Front rotor size without removing the wheel

[RST Dana]

It is 16 inch or 14.25. It has factory 22 inch wheels. I see new calipers in my future...

Anybody know how to tell which I have without removing a wheel?

 

[swathdiver]

Yep, plug your VIN in at GMPartsDirect or GMPartsGiant and have a look. The former is faster the latter is more detailed if needs be.

 

[fiatdale]

Unless you have a huge caliper up front with the words Brembo or Wilwood, you do not have 16” rotors

 

[RST Dana]

I plan on adding Wilwoods kits, and would like them to be 16’s, but I don’t think it is feasible.