Rocky Mountain Diesel and Auto is a trusted auto repair shop specializing in diesel services, including diesel emissions, fuel injection, and various diesel parts. Customers appreciate the honest and professional crew, who provide exceptional service and clear explanations. The staff is friendly and helpful, making it a comfortable experience for all, including those who may not typically feel at ease in auto shops. Many loyal customers have been bringing their vehicles here for years, praising the knowledge, affordability, and quality of work. Overall, Rocky Mountain Diesel and Auto is highly recommended for both car and diesel truck services.
Truly appreciate Rocky Mountain diesel and auto Mando is a great person and business man you can rely on with your diesel needs thanks again MANDO!!!!!!!
May 2026
Rocky Mountain Diesel and Auto is the only auto shop I will go to in Greeley. They are kind, quick, and knowledgeable. I would highly recommend Mondo and his team to anyone.
April 2026
Excellent customer service! When I order parts, they make sure to get them delivered on time! The quality of parts and work they do is Way better than other places! I recommend this place 10000% my truck is sounding pretty nice with the whistle! 🔥
