Professional auto repair shop interior
Shelbyville's Trusted Auto Shop

Your car deserves a mechanic who actually cares.

Honest diagnostics, quality parts, and repairs done right the first time. No surprises on the bill — just straightforward service from a team that treats your vehicle like their own.

Call Now Our Services
What We Do

Complete auto care under one roof

From routine oil changes to complex engine repairs, we handle it all with the same care and attention to detail.

Engine Diagnostics & Repair

Check engine light on? We use advanced diagnostic tools to pinpoint the issue fast, then fix it right — not just clear the code.

Oil Changes & Maintenance

Keep your engine running smooth with scheduled oil changes, fluid top-offs, filter replacements, and multi-point inspections.

Brake Service

Squeaky, vibrating, or soft brakes? We inspect, resurface, and replace brake pads, rotors, and fluid to get you stopping safely again.

Electrical & Battery

Dead battery, flickering lights, or charging issues? We test and replace batteries, alternators, and trace electrical gremlins.

Suspension & Steering

Rough ride or pulling to one side? We handle struts, shocks, tie rods, and alignment to keep your car handling like new.

Transmission Service

Slipping gears or delayed shifts? We diagnose and service both automatic and manual transmissions with quality parts and care.

About Us

Built on trust, backed by skill

UPx Premium Auto Repair LLC has been serving Shelbyville and the surrounding community with honest, dependable auto repair. We know how frustrating it is to find a mechanic you can actually trust — that's exactly why we built this shop differently.

Every vehicle that comes through our bay gets the same thorough, no-cut-corner treatment. We explain what's wrong in plain language, show you what needs attention, and only do the work you approve. No upselling. No mystery charges. Just solid auto repair from people who genuinely care about getting you back on the road safely.

Our Promise
Honest & Transparent
Our Location
Shelbyville, TN
Auto repair shop workspace
We Treat Your Car Like Ours
That's not a slogan — it's how we work every day.
Why Choose Us

The difference is in the details

Trusted & Reliable

We show up on time, do what we say, and stand behind every repair we make.

Fair & Upfront Pricing

You'll always know the cost before we start. No hidden fees, no surprise add-ons.

Quality Parts

We use premium parts from trusted manufacturers so your repair lasts.

Friendly Service

We explain things clearly and make sure you're comfortable with every decision.

Testimonials

What our customers say

Don't take our word for it — hear from the people who trust us with their vehicles.

"Finally found a mechanic I can trust. They explained exactly what was wrong with my truck, gave me an honest price, and had me back on the road the same day. Won't go anywhere else."

M
Mark T.
Shelbyville, TN

"I brought my car in for a weird noise and they were upfront about what needed to be done now versus what could wait. That kind of honesty is rare. Highly recommend UPx!"

S
Sarah L.
Shelbyville, TN

"Great experience from start to finish. The team is friendly, the shop is clean, and they got my car running perfectly. Best auto repair in Shelbyville, hands down."

D
David R.
Shelbyville, TN

Ready to get your car running right?

Give us a call or stop by our shop on N Main St. We'll diagnose the problem, explain the fix, and get you back on the road — fast.

(615) 359-7649 Send a Message
Contact Us

Get in touch

Have a question or need to schedule a repair? Reach out however works best for you — we're happy to help.

Address
1119 N Main St
Shelbyville, TN 37160-2309
Hours
Mon – Fri: 8:00 AM – 5:00 PM
Sat – Sun: Closed

Send Us a Message

Is this your business?This is my business