Buy wheels for your Cadillac STS here
Cadillac STS made in the year 2005-01-01 have the following bolt pattern: 5x115 with the following center bore: 70.3. On this model, lug nuts are used to mount the wheel to the hub. Lug bolt thread: 12x1.50 is recommended. The recommended wheel size is between 17 and 20 inches and the ET meassurement for this model is 40.