Car-X Tire & Auto – Trusted Auto Repair

Welcome to Car-X Tire & Auto in O’Fallon, your trusted destination for outstanding automotive care, conveniently located at the intersection of South Kings Highway Boulevard and Oleatha Avenue.


Looking for expert auto repair in O’Fallon, MO? You've found it. At    Car-X Tire & Auto, we’re all about keeping your car in peak condition—without the hassle. Located right here in O’Fallon at  3004 Highway K, we’ve been a trusted part of the community for decades. Whether you’re here for a quick oil change or something more complex, our friendly and skilled team is here to help.



Locally Owned and Operated for Nearly 50 Years

Locally Owned and Operated for Nearly 50 Years. Your local experts ready to handle all your auto needs! We have everything you need; repair or maintenance services, new tires, or replacement accessories. With financing availble, Car-X is here to provide quality, reliable automotive service at a great price!

Why Car-X is Your Go-To for Auto Care!

01

Decades of Local Experience

With decades of service in the local community, we understand the unique needs of our customers and their vehicles. Our long-standing reputation is built on trust, reliability, and personalized care.

02

ASE-Certified Technicians

Our ASE-certified technicians bring professional expertise to every repair and maintenance job. You can count on skilled hands and sharp eyes to treat your vehicle with precision and respect.

03

Fair & Square

We believe in honest pricing and clear communication—no surprises, just straightforward service. Our recommendations are based on what your car truly needs, not on upselling.

04

Your Peace of Mind

From the moment you walk in, we’re committed to making your auto care experience stress-free. With dependable service and transparent advice, your vehicle—and your confidence—are in good hands.

Full-Service Auto Repair & Maintenance in O’Fallon


Whether you're hearing strange sounds, need new tires, or just want to stay ahead of your car’s maintenance schedule, Car-X in O’Fallon has you covered.


Two pedals, side-by-side, with three horizontal lines each and a rectangular shape.

 Brake Repair & ABS Service

Noticing squeaking, grinding, or a soft brake pedal? That’s your car telling you it’s time for a brake check. Our team is here to inspect, repair, or replace your brake system so you can stay safe on the road. We also service Anti-lock Braking Systems (ABS) to keep everything working smoothly, especially in sudden stops. Whether it’s worn pads or something more complex, we’ll get it fixed fast and right the first time. When it comes to brakes, peace of mind starts here.

Magnifying glass over gears.

 Used Car Inspections

Thinking about buying a used car? Let us take a look at it first! Our ASE-certified techs will give it a thorough once-over—checking everything from the engine and brakes to the tires and suspension. We know what to look for and can spot issues that might not be obvious at first glance. You'll get a clear, honest report so you can feel confident about your purchase. It’s a simple step that can save you big in the long run.

Car tire icon. Tire on the ground.

Tires & Wheel Alignment

Feel like your car’s pulling to one side or your tires are wearing out unevenly? It might be time for a wheel alignment or new tires. We’ll check your tire condition, tread depth, and alignment to make sure everything is rolling smoothly. Whether you need a quick rotation, a full set of tires, or a precision alignment, we’ve got you covered. Proper alignment not only improves handling—it helps your tires last longer, too. Let’s keep your ride smooth, safe, and road-ready.

Calendar with a clock, suggesting scheduling or appointments.

Scheduled Maintenance & Oil Changes

Is it time for an oil change or routine checkup? We’ve got you covered. From quick oil changes to full scheduled maintenance, we’ll make sure your car’s running just the way it should. We follow your vehicle’s recommended service schedule, so you don’t have to worry about missing a thing. It’s fast, easy, and helps prevent bigger problems down the road. Keeping your car in great shape has never been simpler!

A steering wheel.

Steering & Suspension Repairs

Is your ride feeling a little rough or hard to handle? That could be your steering or suspension system asking for attention. Whether it's bumpy rides, drifting, or strange noises, we’ll diagnose the issue and get things back to smooth. From shocks and struts to tie rods and ball joints, our techs know exactly what to look for. A stable, comfortable drive starts with a healthy suspension—let’s get you back in control.

Car being inspected with a magnifying glass.

Check Engine Light & Engine Diagnostics

Did your check engine light just come on? Don’t panic—we’re here to help. Our diagnostic tools quickly pinpoint what’s going on under the hood, whether it’s something minor or more serious. We’ll explain the issue in plain English and recommend the right fix—no guessing games, no pressure. Ignoring the light can lead to bigger problems, so let’s check it out and keep your engine running strong.

Black security icon with a shield and check mark.

Digital Vehicle Inspections

Want to see exactly what’s going on with your car? Our Digital Vehicle Inspections make it easy. We’ll check your vehicle from top to bottom and send you photos, videos, and notes straight to your phone or email. You’ll get a clear look at what’s working, what needs attention, and what can wait—no surprises. It’s transparency you can trust, and it helps you make confident decisions about your car’s care.

Find Your Local Car-X Crew

You can always find a Car-X Tire & Auto ready to help you out. Come visit us at Car-X Tire & Auto, 3004 Highway K

O’Fallon, MO 63368. Check out our map to find the location closest to you and get directions. We're looking forward to seeing you!

Our Doors Are Open!

  • Monday - Friday: 7:30 AM - 5:30 PM
  • Saturday: 7:30 AM - 5:00 PM
  • Sunday: Closed

Testimonials

Don't just take our word for it – our awesome customers often share how much they appreciate our work. It means the world to us!