Ontario, CA — Trusted Since Day One

Keep your
ride running
like new.

From routine maintenance to complex engine diagnostics, Mays Performance delivers honest, thorough auto repair right here in Ontario.

Call Now Our Services

OBD-II

Diagnostics

All Makes

Domestic & Import

Honest

Straight Answers

Mechanic working on vehicle engine at Mays Performance

Certified Technicians

Skilled & experienced

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What We Do

Full-spectrum
auto care.

Whether it's a check-engine light or a full service, we've got the tools and expertise to get it done right the first time.

Engine Diagnostics

Advanced OBD-II scanning and professional troubleshooting to pinpoint exactly what's triggering that warning light.

Brake Service

Pad replacement, rotor resurfacing, fluid flushes, and complete brake system inspections for safe stopping power.

Oil & Fluid Services

Synthetic and conventional oil changes, plus coolant, transmission, and power steering fluid top-offs and replacements.

Suspension & Steering

Struts, shocks, alignments, and steering component repair to restore a smooth, controlled ride.

Electrical Systems

Battery testing, alternator and starter repair, wiring diagnostics, and electrical fault tracing.

Scheduled Maintenance

Follow your manufacturer's service schedule with routine inspections, filter changes, and preventive care.

Mays Performance auto repair shop interior

201 S Wineville Ave

Ontario, CA 91761

About Us

Your neighborhood
auto shop.

Mays Performance is a locally owned auto repair shop in Ontario, California. We serve drivers across the Inland Empire with honest diagnostics, fair pricing, and work that holds up.

No matter what you drive — domestic or import — our team treats every vehicle like it's our own. We explain what's wrong, what needs attention, and what can wait, so you can make informed decisions about your car.

All Makes

Domestic & import vehicles

Transparent

Clear explanations, no jargon

Why Choose Us

Built on trust,
backed by skill.

We know how frustrating car trouble can be. Here's what sets Mays Performance apart from the rest.

Fair Pricing

Upfront estimates with no surprise charges. You'll always know what to expect before we start.

Quality Parts

We use reliable, properly rated parts for every repair — because your safety isn't a place to cut corners.

Turnaround You Can Count On

We communicate realistic timelines and stick to them. Your vehicle gets back to you when we say it will.

Local & Approachable

We're your neighbors in Ontario. Walk in, give us a call, or drop by — we're always happy to help.

Ready to get your car back on the road?

Give us a call or stop by the shop. We'll diagnose the issue, explain your options, and get you moving again.

(909) 225-5599 Get Directions

Let's talk about
your car.

Have a question or need to schedule a service? Reach out however is easiest for you — we respond quickly.

Address

201 S Wineville Ave
Ontario, CA 91761-7890

Phone

(909) 225-5599

maysperformance@gmail.com

Send Us a Message

Fill out the form and we'll get back to you as soon as possible.

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