Callahan Auto & Diesel, founded by Preston Callahan in 2010, is a premier automotive and diesel repair shop located in Downtown Mesa. The business has expanded significantly, now featuring a spacious facility and a dedicated team of skilled technicians focused on providing excellent customer service. Callahan Auto & Diesel is known for its impressive warranties, including a 2-year/24,000-mile warranty on auto repairs and a 3-year/36,000-mile warranty on transmissions. Customers value the honest work and reliable service, often mentioning how the team is flexible with scheduling. Whether it's a routine check-up or urgent repairs, the staff are recognized for their friendliness and effective communication. Many customers recommend Callahan Auto & Diesel for their strong work ethic and commitment to fixing vehicles efficiently. The team handles everything with expertise, ensuring that customers feel respected and cared for, building lasting relationships in the process.
Great service. Explained the repairs all along the way.
August 2025
Honest and thorough mechanics. VERY friendly front office staff who were fully transparent
August 2025
I haven’t had any work done yet but I plan to. Customer service and everything else was close to perfect and Preston is very personable. I will have to do an updated review as soon as I go back to get my work done!
