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McMillen Auto Group - Sales

McMillen Auto Group

Smart Pre-owned

Vehicles

HOW EASY IS BUYING A CAR FROM US?

Search Our Inventory

Let us know exactly what you’re in the market for and we’ll help you find it. With access to exclusive industry sources, we’ll help you find your dream car.

Find Your Dream Car

Can’t find the car of your dreams? Let our car buying experts help! Submit the details on the car you’re searching for, and we will be in touch as we shop it for you!

Get Pre-Qualified Today

With relations with multiple lenders, we are bound to get you financed! Good Credit, Bad Credit, First Time Buyer? Our lenders work with all types of scores and situations.

McMillen — New Arrivals

1957 Chevrolet Bel Air
1957 Chevrolet Bel Air
$129,999
1957
6,223 miles
Automatic
2022 Mercedes-Benz Sprinter 3500 XD
2022 Mercedes-Benz Sprinter 3500 XD
$127,999
2022
9,605 miles
Automatic
2023 Dodge Challenger SRT Hellcat
2023 Dodge Challenger SRT Hellcat
$79,999
2023
272 miles
Automatic
2022 Lucid Air Grand Touring
2022 Lucid Air Grand Touring
$67,999
2022
1,930 miles
Automatic
2022 Mercedes-Benz GLS580 4MATIC
2022 Mercedes-Benz GLS580 4MATIC
$65,999
2022
23,754 miles
Automatic
2018 Ford F-450
2018 Ford F-450
$63,999
2018
93,248 miles
Automatic

welcome to McMillen Auto Group

When you choose McMillen Auto Group, you choose a lifelong partnership with your trusted local dealer. We are dedicated to helping you find the perfect vehicle for your needs while also ensuring the performance, safety, reliability, and long-term value of your investment. From the moment you walk through our doors, you can expect a top-notch service experience.

 

Visit us at 818 W Main St, Louisville, OH 44641, where our experienced and friendly professionals are eager to answer any questions and assist you every step of the way. McMillen Auto Group is committed to offering quality vehicles and exceptional service to our community. Stop by our showroom today and let us help you find your dream car!

QUALITY IS ALWAYS GUARANTEED

Buy confidently knowing every vehicle undergoes our rigorous 150-point inspection, ensuring you get a reliable car.

Trust us and our certified team at McMillen Auto Group to make your car buying experience seamless.

Drivetrain

Certified professionals assess the engine, transmission, and connected parts.

Buy confidently knowing every vehicle undergoes our rigorous 150-point inspection, ensuring you get a reliable car.

Service Bay Inspection

Every car lifted up and carefully inspected in our service bay.

Instruments

Detailed review of ABS, instrument panel, climate control, horn, windows and sunroof

Exterior Appearance

Every vehicle is inspected for scratches, dents, dings or exterior imperfections.

Test Drive

We put each car through its paces to prevent issues on the road.

 

Trust us and our certified team at McMillen Auto Group to make your car buying experience seamless.

Interior

We’ll make sure all materials inside the vehicle are in good condition.

 

Best in class car shopping experience

Love it or swap it!

We give you 30 days and/or 500 miles to make sure you are happy with your car. If not, simply exchange it.

30-day guarantee

If you find a lower price on another website, within 30 days, we’ll refund you the price difference.

5-star reviewed

Backed by thousands of reviews, our customers love shopping for used cars at Auto Boutique.

100% transparency

Our Free Exchange Policy adds even more transparency and comfort when buying your next vehicle.

CONTACT OUR DEALERSHIP

©2025 McMillen – All rights reserved.

Visit us at 818 W Main St or browse our inventory online!