Can anyone knowledgeably comment (e.g., have firsthand experience, not speculation) whether the OEM 2018 Lacrosse 20" aluminum wheels (which were only available with the Dynamic Ride Package, RPO code GNB) van be successfully fitted (e.g., no hub adapters needed) to a 2018 V6 Lacrosse which came from the factory wearing 18" machine face wheels (suspension RPO code GNA)?

The Buick dealership is non-committal on answering this question; they won't go one way or another.

Thanks in advance for the constructive feedback.