10-Speed Automatic, 4WD, Alpine Umber Leather. Onyx Black 2024 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel Recent Arrival! LOWEST TAX RATE IN THE STATE @ 6.25%. Selling and Servicing vehicles in Sandwich, Plano, Yorkville, Oswego, Naperville, Plainfield, Joliet, DeKalb, Elburn, St. Charles, Geneva, Batavia, Somonauk, Leland, Earlville, Mendota, Shorewood, Channahon, Aurora, North Aurora, Lisle, Ottawa, Dixon, Sterling, LaSalle, Peru, Rockford and Sugar Grove for over 4 Decades.
