Underneath the skin, GM’s large crossovers — Buick Enclave, GMC Acadia and Chevy Traverse — are pretty much the same. So, how can the automaker make them feel different? It’s all about the features, silly, and for 2011, the Acadia is further distinguished by its upscale Denali trim, according to Cars.com editor Bill Jackson. The Denali features a wide array of luxury upgrades, both on the exterior and interior. For more details, watch the video above.