Onyx Black 2024 GMC Yukon XL SLE 4WD 10-Speed Automatic with Overdrive EcoTec3 5.3L V8 4WD.Recent Arrival!Weirs Buick GMC has been serving Arundel, Kennebunk, Kennebunkport and all of Maine for over 50 years. Our dedicated staff is here to ensure whe...