David Brown Posted February 20, 2009 Report Share Posted February 20, 2009 I have a 2001 STS with 16" wheels, I think there was an opt. that year for 17" wheels. Would 18" wheels and tires from a CTS work on the 2001 STS? Link to comment Share on other sites More sharing options...
Texas Jim Posted February 21, 2009 Report Share Posted February 21, 2009 I have a 2001 STS with 16" wheels, I think there was an opt. that year for 17" wheels. Would 18" wheels and tires from a CTS work on the 2001 STS? One thing you would need to compare is the offset and lug spacing. I don't know about clearance around your brake calipers and in the fenders. Link to comment Share on other sites More sharing options...
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