No Market Adjustments, No hidden Fees, No Hidden Packages!2024 GMC Yukon XL Denali 4WD. 20/26 City/Highway MPGProudly serving the communities of Saint Charles, Geneva, Batavia, West Chicago, Schaumburg, Carol Stream, Bartlett, Hanover Park, Elgin, South Elgin, West Dundee, North Aurora, DeKalb, Rockford, Sycamore, Streamwood, Warrenville, Wayne, Naperville, Wheaton, Winfield, Elburn and Aurora. ... see more