Recent Arrival! 2024 GMC Sierra 1500 SLT 4D Crew Cab 15/20 City/Highway MPG CARFAX One-Owner. FREE DELIVERY ANYWHERE IN COLORADO **. EcoTec3 5.3L V8 10-Speed Automatic 4WD Odometer is 8120 miles below market average!This Sierra 1500 comes with the FULL Mike Maroone a 60-Day 3000 Mileage Powertrain Warranty. We will review our technician’s vehicle inspection report with you before purchase. Our intention is to provide you a completely transparent buying experience. At Mike Maroone our used vehicles are Safety Checked, Warrantied, CarFax, and if you don’t like it … Bring it back! For more information or vehicles like it, stop by Mike Maroone North today. We are just north of the Chapel Hills mall behind Walmart in the Chapel Hills Auto Mall.