2011 GMC Yukon XL Denali In Onyx Black. AWD. Immaculately cared for one owner vehicle. Dressed for success. This 2011 Yukon XL is for GMC lovers who are hunting for that babied. one-owner creampuff. Consumer Guide Large SUV Best Buy. It is nicely equipped with features such as 2011 GMC Yukon XL Denali In Onyx Black and AWD. Baby yourself in a grown up way. Proudly serving: St. Louis. South County. Webster Groves. Creve Couer. Kirkwood. Maryland Heights. Sullivan. Rolla. Columbia. Fenton. Chesterfield. St. Charles. Kansas City. Springfield. Jefferson City. St. Peters. O'Fallon. Dupo. Columbia. Waterloo. Red Bud. Belleville. Fairview Heights. Millstadt. Alton. Anrold. Fenton. Wentzville all of great Missouri and Illinois....