About Us

Professional Auto Repair in Milldale, CT

Mantz Auto Sales & Repair in Milldale, CT has been family owned and operated since 1989. We are proud to serve Milldale and the surrounding communities with top-notch auto repair. As a certified NAPA AutoCare Center and ACDelco Professional Service Center, our technicians use only quality OEM or equivalent parts for your vehicle. You can rest assured your vehicle will be fixed right, the first time.

For over 30 years, we have helped our communities repair and maintain their vehicles through services such as, oil changes, transmission & differential rebuilds, engine maintenance, cooling system, and many more! We provide quality work at fair prices, and you’ll have the peace of mind that your vehicle is being serviced by a fully trained technician.

Meet Our Team

  David Mantz

  David Mantz JR

  Jon Sumner


“Dave Mantz and his team of professionals are always extremely helpful, and knowledgeable! I would definitely recommend Mantz for your snow plow, and automotive repair needs 100%” –BMS Property Maintenance LLC
“I purchased a Fischer V-Plow and they did the installation and have been servicing my equipment for years. Top-notch service and customer support.” –Kevin P.
“Mantz was great! Very professional, and quick, and kept me in the loop on everything. I had to have my muffler remounted and they were able to fix it within one day!! I would recommend them to everyone!!” –Jennifer Y.
“The gentleman at the counter explained the possible cost of diagnosis and repairs when the vehicle was towed in for repair. When I picked up the vehicle the cost was at the low end of the estimate and totally acceptable. I recommend Mantz due to their professional service and reasonable price.” –Rich
“Friendly and helpful, fair prices. Nice to go to an auto place and feel like you’re treated with respect. Thanks Mantz!” –Nicole B.
“High-quality work, honest and fair pricing, and all-around nice guys. Highly recommend a trusted place to have your vehicle serviced. They work on a wide variety of vehicles and provide a wide variety of services. They have never let me down.” –Andrew G.