Grease Monkey on 8th Avenue in Garden City provides a full-service 15-minute oil change and AC recharge. Located near the University of Northern Colorado and Island Grove Regional Park, it is open Sundays for convenience. Reviews consistently praise the staff as super friendly, helpful, respectful, honest, and professional. Customers highlight the excellent, straightforward, and quick service, often noting their oil change was completed in just 15 to 20 minutes with no hiccups. Many are impressed with the fast experience and highly recommend the business. The establishment is noted for its timely service and even a pleasant flower garden out front.
There's some good people who work here. They're outgoing and today it showed! I can't wait to repay my gratitude, they came they hella clutch when i needed it, thank you.
August 2026
Great experience! Everyone was friendly and helpful and got me back on the road quickly. And Melissa was awesome!
August 2026
Thank you so much for helping when I had trouble w my skid plate!!! Thank you so much it means a lot for being a good person.
