About Route 23 Auto
Our Story
Mike Ryan, founder of Route 23 Auto Sales & Detailing, has spent his entire career in the automotive industry. For more than 25 years, Mike ran a successful Pontiac, Buick, and GMC dealership known as Randy Hosler Pontiac Buick GMC, building a reputation for integrity, expertise, and customer-first service.
When Pontiac was discontinued, the dealership was forced to close its doors — a moment that presented Mike with a defining crossroads. He could take his decades of experience in vehicle buying and dealership operations to another large franchise, or he could take a leap of faith and build something of his own from the ground up.
Mike chose the latter.
In 2013, driven by passion and a vision for a more honest, community-focused dealership, Mike founded Route 23 Auto Sales & Detailing. He brought his son, Dylan, into the business, turning decades of experience into a family legacy. Together, they set out with a simple but powerful goal — to offer quality vehicles, fair pricing, and a transparent, low-pressure buying experience rooted in trust and long-term relationships.
Today, Route 23 Auto stands as a reflection of Mike’s lifelong dedication to the automotive business, the values he believes in, and the customers and community he proudly serves.
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Welcome to Route 23 Auto Exchange. We are a family owned and operated used car dealership and auto detail shop in Flint, MI. Our goal is to give you the very best car buying experience possible. Come check out our fine line of cars, trucks, and SUV's offered at competitive prices. We guarantee if you buy through us you will be 100% happy with your car and our service. We are here to serve you. Be sure to visit our virtual showroom of inventory available for purchase. There you will see detailed information about each vehicle, a picture gallery, as well as convenient ways to contact us for more information about that vehicle. We are located at 2486 W Hill Rd Flint, MI 48507 and are available by phone 24-7 at 810-275-2497. You can also get hours of service from our user friendly website.