Service Appointment
Service Hours
Mon: 8:00a - 6:00p
Tues: 8:00a - 6:00p
Wed: 8:00a - 6:00p
Thurs: 8:00a - 6:00p
Fri: 8:00a - 6:00p
Sat: Closed
Sun: Closed

The Riley Service Department is the lifeblood of the dealership. Every service technician knows that “Building Loyalty Through Superior Service,” is what keeps you returning to Riley for all your new and used purchases.

Service Manager Keith Knipper keeps the service on the cutting edge of technology and tops in customer service. Newer machinery increases the quality and speed of each repair. This way, you can be on your way quicker.

Riley’s staff is continuously being factory trained and re-certified to keep up with the new and advanced products. We need to be thoroughly trained to give you the best in customer service.

Genuine Mazda and Subaru parts keep your vehicle running right. Our extensive inventory is designed to anticipate your every need. We want any replacement parts to have the same quality as the original.

Please contact us via e-mail or call our Service or Parts Department at 563-588-2326 or toll free 877-588-2326.




Keith Knipper—Service Director
Eric Behnke—Parts Manager
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Riley Mazda Subaru Mitsubishi
4455 Dodge St
Dubuque, IA 52003
Phone: (563) 588-2326