I can't express how grateful I am for Performance Auto Repair in Costa Mesa. Even though I live all…read morethe way in Chino, something about their reviews made me feel like I could trust them -- and I was right. When my SUV overheated and the engine failed, I was overwhelmed. But the moment I spoke with them, it felt like a weight lifted. They understood exactly what was happening before they even saw the car. Instead of pushing a costly $6,000 engine replacement, Byron found a way to rebuild the engine through a machine shop, saving me thousands. That kind of honesty is rare. The repairs took time, but they never rushed. They kept us updated, checked every detail, and refused to release the vehicle until they were absolutely sure there were no leaks, no issues, no surprises. After dealing with another shop that returned our Honda Pilot with oil leaks, this level of care meant everything. What stood out most was their integrity. Their kindness. Their commitment to doing the right thing even when it takes longer or costs them more effort. If we lived closer to Costa Mesa, we'd bring every one of our vehicles here without hesitation. There truly aren't enough words to describe how thankful I am for Byron and his team. They didn't just fix my SUV -- they restored my trust in what an honest auto shop can be.

Had to do lots of work -- but these guys again treated me in a fair and honest manner. My repairs…read morewere costly (I have a 2014 so I knew it was time), but they fully explained everything, saved the parts, and did the work quickly and right. Again. This is my place.

John was fantastic, was able to service my car extremely quickly! He was upfront and…read morestraightforward about my repair, didn't push me to get anything beyond what was needed - As someone new to the area I am very happy to now have a trusted mechanic only 10 minutes from my house.

This has become my new trusted mechanic for all of our car needs…read more As a woman who has driven used cars for most of her life, going to a trusted mechanic is hard to find. I used to go to mechanics in Santa Ana but was not always able to get the services I needed. Now with a new car, I was tired of getting price gouged for a simple oil change at the dealership. At Harbor Auto Service, Mike and John get the job done at an affordable price and take customer service to the next level. For example, when you have already paid and are all set, they park the car right outside for you and send you on your way. They are respectful and take the time to explain what is wrong with the car and give you plenty of options. They also have a nice waiting room with a tv, couches, and offer water as you wait. I have been here twice, and each time has been pleasant. I am already recommending them to all of my friends and family as a solid, trusted choice!

Tuesday after Labor Day, 100 degrees, Expertec is two technicians short ( what??? people calling in…read moresick after a holiday??‍) And 19 appointments. My oil and air in tires are low.! Gary, the manager, personally added oil and had a lovely young man who was, of course, sweating, added air to my tires. This is the great service this location of Expertec provides. Normally, it's preferable to make an appointment and Mike will drive you home or to the office AND pick you up when your car is ready. I have never had such good service anywhere! Of course, I highly recommend Expertec Costa Mesa!

I've come here twice and have been happy with the service. Mostly because my car is returned to me…read morewithin a decent timeframe. I was going somewhere else prior and they would keep my car the entire day for a basic oil change. The first time I came after having my car serviced elsewhere and heard an odd sound when I got it back. I asked ExperTec if they could get my car back to me by the end of the day and they weren't sure, however I did get my car back within a few hours. I think they're priced fairly compared to other places in the area. I like that they're open on weekends too. I'm not a mechanic by any means but I'm also super wary of being taken advantage of which happens almost every where I go. I will say they did tell me my car passed their inspection then tried to recommend a bunch of services I'd had done recently. They didn't push me to get them or try to scare me into thinking my car was going to explode if I didn't do the recommended services lol. I've recommended this place to a couple people and they've been happy too so I think they're pretty good overall.

Quick and friendly service. My battery was tested and replaced, all in about 15 minutes. Couldn't…read moreask for a better experience!

Thomas from AutoMedic made the effort to call me and wanted to 'make things right' after I posted…read moremy Yelp review. I had texted him about the hassle I went thru after my minivan's alternator went out in July 2026, 15 months they had replaced it. Somehow that text did not go thru to his phone. The alternator had gone out when I was on the road, 4 hours away from home. Once they saw my review (Sep 2026), they reached out within a few hours. This showed me that this company cares about its reputation and had high standard of customer service. We talked and Thomas told me he would refund me the cost of the alternator. I received the money but it was more than just the money that left a great impression upon me. It was the honesty, integrity and the willingness to listen to my less-than-great initial experience. Anyhow, I think of them as a solid business that puts its customers first. I have updated them to 5 stars. They have earned it!

The service and staff definitely value fixing my vehicle. James went above and beyond, grateful for…read morehis knowledge and was super helpful when explaining my vehicles diagnostic issues. They value their customers and they were honest about the process. Loved how they showed me a diagram to explain it better.

I can't say nothing but great things about this shop. I felt with James who truly values customers…read moreand always does his best at fair pricing and exceptional service. My muffler, pipe, and catalic converter was jacked up. He helped me fixed the pipe and muffler the best he can and he notified me that there was still a warranty on my vehicle so he didn't touch it and he gave me fair pricing. When I took my car to Chevy, they were so unprofessional and dumb. I had James explain what's going on with my vehicle and how Chevy had to honor my warranty, but Chevy Costa Mesa were being lazy. They didn't even look at the vehicle but diagnosed it just by hearing it. I brought my vehicle back to James and he took pictures and referred me to HB Chevy and he didn't charge me. James and his shop are truly about the people and getting their vehicle fixed. His shop and customer service is something every auto shop should emulate. I will always go to this shop for my auto needs. Chevy Costa Mesa can get bent. Thank you again James for you and your crew.

had a situation that my car couldn't accelerated and they fix it quickly. very professional and…read moreexperienced

I previously left a five-star review because I had a good experience here. At the time, EU was…read morehonest enough to tell me I didn't need a tire rotation, which saved me money as a student. Because of that, I came back for multiple oil changes. Unfortunately, my most recent visit was completely different. I was charged a high price for what should have been a simple oil change and cabin/air filter replacement, and I ended up waiting about two hours for the work to be completed. After talking it through with someone more familiar with car maintenance, it became clear that I was likely overcharged for a job that should have been quicker and more reasonably priced. What made the experience worse was the interaction before my appointment. When I asked for clarification about being told I may need "air," EU laughed at me for asking. I'm neurodivergent and sometimes take things more literally, so I was just trying to confirm whether I was being charged for something that is often free. Instead of explaining, I felt mocked for asking a simple question. Because of this experience, I no longer feel comfortable or confident returning here. I'm sharing this as a caution for other customers--especially women and neurodivergent people--who may not be as familiar with car maintenance and rely on mechanics to be honest, respectful, and transparent.

Both Jeff and Ty were friendly knowledgeable and helpful...I will be taking my car here from now…read moreon...

10/10: Friendly, professional, and efficient…read more I was losing tire pressure and while they ultimately couldn't patch the tire, they still asked me to come in to troubleshoot it for me, just to confirm the issue. I'm not mechanically skilled, so it was good to see how they checked for puncturing. And by extension, showing that work is being done. Some other shops will say they did services but just cold pitch it to upsell. I appreciate the team for helping me get on my way. Because they are dedicated to helping people, I'd definitely recommend them. Thank you again.

Where is the 10 star option because they deserve it. Honest, fair, reliable, dependable,…read moretrustworthy, and great workmanship. I live in Newport and my neighbor referred me to them years ago for my Prius that was out of warranty. Fast forward and I have been bringing all my cars even in-warranty vehicles bc the dealers are always recommending work or replacement and I get a second opinion from A&G that always tells me what's really needed or not. My YA daughter brings her jeep in as well and I never have to worry about them taking advantage of her. So many times the dealer tells her she needs XYZ for $$$ and we get a second opinion from A&G for a better price or get an honest opinion from them that the work isn't even needed. These guys truly care about their customers, are genuine, and always so professional. Service is timely with personal updates and automated texts when the work starts and finishes. Shout out to Christian for always taking care of me and my daughter.

I've been taking my vehicle here for a number of years now. The service is excellent, affordable…read moreand efficient. I highly trust and recommend them! Julie H

I had a great experience with Frank and I am grateful he was able to diagnose, troubleshoot and fix…read morethe problem. My regular mechanic was busy and I was far away from the location and couldn't risk driving the car there so I called and spoke to Frank's Mobile. He arrived timely, diagnosed the vehicle, drove it with me to troubleshoot the possible problems and thankfully it wasn't anything major imo. The cost of service was competitive and very fair. He replaced 6 spark plugs and changed the oil, and now my old car has some pep in her step. Thank you, Frank!

Best Mobile mechanic I have ever used. He came to my work on time. I gave him my car and wen tback…read moreto work. 20 minutes later he was finished changing my brake and my headlight light bulb had been changed

We have had 3 inspections. There were no issues. We appreciate their honesty. We live in Long…read moreBeach and make many trips to Costa Mesa. We do not trust quick oil change dealers in our neighborhood.

Great customer service with a smile! Sergio filled my tires for me today and saved my life.read more