AAA Approved Auto Repair Shop Reviews Keller`s Professional Auto & Diesel 5646 S Gibraltar Way Centennial, CO 80015 Tel: (720) 876-1111 Hours: M-F: 07:00 AM - 06:00 PM Sat: Closed Sun: Closed Reviews Sort Reviews by: Date » or Rating » 1 Reviews Centennial, CO Reviewed : 12/31/2019 Comment : Dont change a thing...they had a full day already set and they found a way to get me looked at and they got me car fixed in the same day..I cant thank them enough