Accessories
availability
18" Tire
GM
23439998
These tires have been specifically designed for your vehicle. Use only GM-approved wheel and tire combinations. See gmc.com/accessories...
$173.14
MSRP $186.02
Save $12.88
6.9% Off
Wheel, 18 Tire
GM
19113726
This tire has been designed specifically for your STS: MICHELIN PIL HX MXM4 P235/50ZR18 97W (TPC 1289MS). Use only GM-approved wheel and...
$258.73
MSRP $268.50
Save $9.77
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