About

For more than 48 years, Thelen Mazda in Bay City, Michigan, has earned the trust of drivers across the Great Lakes Bay Region. As a family-owned and operated Mazda dealership, we serve customers from Saginaw, Midland, Mount Pleasant, and beyond. Our roots run deep in Mid-Michigan, built on honesty, integrity, and respect for every customer.
 
As part of the Thelen Auto Group, Thelen Mazda carries on a three-generation legacy built on community, trust, and care. We believe car buying should be simple, stress-free, and enjoyable. Our customers return year after year because they know we focus on people, not transactions.

At Thelen Mazda in Bay City, MI, you’ll find the newest 2026 Mazda models, including the CX-5, CX-30, CX-50, CX-50 Hybrid, CX-70, CX-70 Plug-in Hybrid, CX-90, CX-90 Plug-in Hybrid, Mazda3 sedan and hatchback, and the MX-5 Miata and Miata RF. Each delivers precise performance, bold design, and advanced safety features that make every drive pure pleasure. If the Mazda you want isn’t on the lot, our team can locate or custom-order your exact match through our nationwide partner network.

We also offer Mazda Certified Pre-Owned vehicles and a wide range of quality used cars, trucks, and SUVs for every driver and budget. Each vehicle is carefully inspected and backed by transparent pricing and personalized service.

Our finance team makes leasing or buying simple. Whether your credit is excellent or improving, we’ll help you take advantage of current Mazda offers and find the best plan for your lifestyle. You’ll get honest guidance, flexible terms, and peace of mind knowing your goals come first.

Keeping your Mazda in peak condition is easy at Thelen Mazda’s service center. Our factory-trained Mazda-certified technicians handle everything from routine oil changes and brake jobs to full repairs and detailing. Using genuine Mazda OEM parts and the latest diagnostic tools, they deliver precision and reliability every time.

Want to personalize your ride? Our Parts Department offers authentic Mazda accessories that let you add protection, performance, or style with confidence.

Experience the Thelen difference at Thelen Mazda in Bay City, Michigan. We’re proud to serve drivers from Saginaw, Midland, and beyond with the same family values that have guided us for generations. Stop in today to test drive your new Mazda or schedule your next service appointment.
 
Across more than four decades of service, Thelen Mazda has stayed true to the same principles that define our family and our business: trust, transparency, and care. Every guest who visits our showroom is treated like part of the family.
 
Visit Thelen Mazdain Bay City, MI, to experience that difference firsthand. See why drivers from Saginaw, Midland, and Mount Pleasant choose us for Mazda sales, service, and genuine parts. Your perfect Mazda is waiting — let our family help yours find it today.