All Brands > Buick > Regal GS Wheel fitment guide by car model Buick Regal GS wheel dimensions (Change model) | Select year to see the charts. Regal GS 2019 2018 2017 Regal GS 2017 2016 2015 2014 Regal GS 2013 2012 Wheel ET Explained Wheel ET offset explained with charts and picture examples