Auto Repair & Diesel Service in Fort Thomas, KY

Fort Thomas residents trust Underground Performance & Diesel Repair for their automotive needs. Just 15 minutes from Fort Thomas via the AA Highway and US-27, we provide the kind of personalized, expert service that you can't get at dealerships.

At Underground Performance & Diesel Repair, we provide Fort Thomas, KY residents with expert automotive service backed by 25+ years of combined experience. Our certified technicians handle everything from routine maintenance to complex diesel performance builds.

A quick drive from Tower Park, Midway Park, or anywhere in Fort Thomas. We're located at 9924 Alexandria Pike — take US-27 south and you'll find us on the right. Easy access from Campbell County and the greater Northern Kentucky area.