Take a closer look at this custom 2026 GMC Yukon AT4 Ultimate in Summit White. This build combines the black two-tone exterior treatment and chrome-delete details with 24-inch wheels and Nitto Recon Grappler all-terrain tires. As of today, this Yukon is available at Dave Sinclair Buick-GMC, but inventory can change by the time you see this video. View this Yukon: davesinclairbuickgmc.com/new-St+Louis-2026-GMC-Yukon-AT4+Ultimate-1GKS2VKL0TR351292 Browse our Custom Yukon inventory: davesinclairbuickgmc.com/-custom-inventory-in-stock.html Have a question about this Yukon or a Dave Sinclair Customs build? Submit the contact form through our website or call 314-842-4200. #GMCYukon #YukonAT4Ultimate #2026GMCYukon #CustomYukon #DaveSinclairCustoms