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    Tustin Buick GMC

    3.3 (1.2k reviews)
    Open 9:00 am - 9:00 pm

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    Rodent droppings

    I normally don't leave reviews like this, but after everything I experienced with Tustin Buick GMC's service department, I feel other GMC owners should know what happened. My experience involved an ongoing A/C problem with my 2020 GMC Yukon Denali XL. I originally brought the vehicle to Tustin GMC in October 2025 for the A/C issue. Before bringing it in, my personal mechanic had already diagnosed a leaking evaporator, and I specifically told the dealership about that diagnosis. Instead of replacing the evaporator at that time, the dealership replaced a Schrader valve, recharged the refrigerant, and returned the vehicle to me as repaired. When the weather became hot again in 2026, the A/C was blowing hot again. I returned to Tustin GMC. The system was recharged again, but the underlying problem remained. I then brought them the previous diagnosis and specifically asked them to inspect the evaporator. They eventually confirmed that the evaporator was leaking and replaced it. Unfortunately, that was nowhere near the end of the situation. After being told the vehicle was repaired, I picked it up and discovered the A/C still wasn't working correctly. I brought it back. Then I was told another component was the problem. More repairs were performed, the vehicle was returned to me, and the A/C still wasn't properly fixed. Over the course of this experience, the A/C system had the evaporator, condenser, compressor and ultimately a temperature sensor addressed before I was finally told the A/C was blowing ice cold. What is particularly frustrating is that I spent approximately $4,600 plus another approximately $1,100 during this repair process while dealing with repeated diagnoses, multiple repair attempts, multiple trips back to the dealership, and repeatedly being told the vehicle was ready when the problem was not actually resolved. At one point my Yukon was at the dealership for approximately a month. To make matters worse, after having my vehicle at the dealership for this extended period, I discovered rodent droppings inside/around my vehicle that were not there when I dropped it off. I immediately documented the condition and notified the dealership because I am concerned about possible future damage to wiring or other vehicle components. For me, this goes beyond a repair taking longer than expected. My concern is the entire process: repeated diagnoses, paying for multiple repairs, being told several times that the vehicle was ready, picking it up only to discover the problem remained, and then finding evidence of rodent activity after the vehicle had spent an extended period at the dealership. I understand that automotive problems can sometimes be difficult to diagnose. What I don't find acceptable is having a customer repeatedly pay, repeatedly return, and repeatedly be told a vehicle is fixed when it isn't. I have kept my repair orders, invoices, text messages, photographs, dates, and communications documenting this experience. Based on my experience, I cannot recommend the Tustin Buick GMC service department. If you do bring your vehicle here for a major repair, I strongly recommend documenting its condition when you drop it off, keeping every invoice and communication, and verifying that the original problem is actually resolved before accepting the vehicle back. I hope management takes responsibility for what happened and provides a reasonable resolution.

    My suspension lifts on its own at different times and gets stuck like that making it nearly impossible to see in front
    Arsalan N.

    I have a new hummer ev. I have taken it in multiple times for an issue that is unsafe for me and my family. I dealt with a Jose in service department and I told him of my concerns and left multiple follow up messages in regards to it. I took the car in and he personally drove the car and came back and said in his words oh my god that was super unsafe to drive. They decided to instead put the worn out tires from the truck on the back instead of replacing them knowing that it was the cause from the air suspension issues. The service manager didn't care to even fix the issue. Numerous messages and no response back from Jose. Poor service and I won't take my car back there

    Buick
    Salma O.

    Looking at the prices, they think they're M-Benz... My experience with this dealership was very frustrating and disappointing. There was a clear lack of professionalism and clarity. The 2nd salesperson, Lika,was a nice person but seemed to still be in training, which was honestly frustrating given how important and sensitive the process is. She couldn't properly explain the car or answer basic questions, which made the experience feel unorganized. The manager, Kevin, also changed our agreed $2,000 down payment to $9,000 without proper explanation, which felt misleading and frustrating, especially after running my credit and impacting it. The 1st salesperson, Jerry, whose supposed to be helping us but he ran into a meeting was also unhelpful over the phone and told me to research the car myself instead of assisting or offering anything. On top of that, the monthly payment and down payment they quoted were extremely high for a car like this -- they act like they're selling a luxury vehicle when they're not! Overall, there was a lot of confusion, lack of knowledge, and questionable handling of numbers. Don't waist your time nor ruin your credit here. I'd recommend being cautious and exploring other dealerships -- or even checking places like Kia if you're looking for something more economical and reasonably priced.

    Awesome experience buying my husband's new truck. Could not have been smoother. This wonderful guy Shawn Bhatt was amazing. He took his time and let us test drive every truck we had an interest in. He is the kindest salesman my husband and I have ever experienced. He is one of God's blessings. Thank you Shawn for extending your patience, leadership, and knowledge to make our decision to work with your dealership. Kudos to Tustin GMC.

    My wife and I were looking for a Used GMC Denali, 2500 HD Duramax diesel we had only been looking online for a couple days. Haven't visited any dealerships at this point. We found a listing at Tustin Buick GMC. I told my wife I wasn't ready to buy but the truck we found seemed to be perfect My wife called the dealership asking if the truck was still available. The salesman that they put on the phone was Guneet Lehal. He checked on the truck and said yes it is available. Are you interested in coming down for a test drive? We said yes and we set up an appointment for between five and six he said he would have it cleaned up and pulled up front and the truck will be waiting for us. We ask him to send us the link again so we can see all of the details he said absolutely and I will do one better. I will send you a walk around video of the vehicle. Wow the video was amazing. Guneet was so professional. We reached out to him when we were on our way and he said the truck is ready and we are looking forward to meeting the two of you. When my wife and I arrived, we met up with Guneet and he showed us the truck. We went on a test drive and my wife and I knew this was the truck for us. The only thing standing in the way was the price. The truck was priced right but there were a few items that we needed to work out on the price. We shared our concern with Guneet and he said let me see what I can do. We instantly clicked with Guneet He is definitely a people person so easy to talk to and deal with not pushy not like any other salesperson my wife and I have dealt with in the past. I told him the bottom line is the price. My wife has a number in her head. If you can make her happy we will take the truck home tonight. To make a longer story short my wife and I are now proud owners of a beautiful 2024 GMC 2500 HD Denali. With only 20,000 miles. Thank you Guneet Thank you, Stephanie in the loan department and thank you to the unknown Floor manager (you know who you are) that made all this happen We've only had the truck for two days, but I have already received two phone calls from Tustin Buick GMC to make sure we are happy and asked if we had any questions about the truck. They both said feel free to call anytime we are here to help you. My wife and I would highly recommend dealing with Tustin Buick GMC.

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    2 months ago

    The buying process was simple, the employees were helpful and willing to help which made the experience even better.

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    Review Highlights - Tustin Buick GMC

    I have been servicing my AT4 here every 5,000 miles with John Booze and his very competent service people.

    Mentioned in 37 reviews

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    I had another great experience at Tustin Mazda! Damian in Service was awesome about keeping me…read moreupdated on my car and making sure I knew what was going on throughout the process. I really appreciated the communication and how smoothly everything was handled. Huge thank you to Jeff as well for always going above and beyond! He helped me get my car washed and made sure my service appointments were set up so I could get the SOS system glitch taken care of. Even after purchasing my car, he continues to check in and make sure I'm taken care of, which says a lot about the level of service here. Thank you Damian and Jeff for making everything easy and taking such good care of me and my Mazda! Highly recommend Tustin Mazda!

    This isn't going to be a positive review, but I want to be clear I'm not just here to bash the…read morecompany. This is my honest firsthand experience buying a vehicle here so other people can be aware. We found a car that seemed like a great deal and test drove it. The salesperson was sweet and welcoming, but by the time we closed the deal we felt misguided and left out of the loop on important details, both about the car and the finances. There were numbers we went over and were told, and when we reviewed everything later it just didn't add up based on the conversations we had. We were there for so long, felt rushed into the decision, and walked away feeling completely blindsided. The car was a Mazda CX 90 plug in hybrid, and the plug in feature was miserable. The EV range only gets 26 miles fully charged, and if it's not fully charged you barely get 21 to 22 miles. On top of that it needs premium gas, and if you use regular 87 you get engine knocking. So why would I ever run anything but premium on a car I just bought, and none of that was communicated to us. We found it buried in the manual. The car looked pretty and we loved it at first, but the focus never felt like it was on the actual details, price point, or real value. We tried to like it for about a month and a half to 2 months and finally decided we had to get rid of it. When we went to another dealership we found out we were almost 11,000 dollars in negative equity on a brand new car, which was a huge shock and showed us how much we got bamboozled. I'll give credit on one thing, the service team helped us get a new windshield since it had chips and cracks before we drove off the lot, and they covered it, which was honestly the only positive from all this. Otherwise the Apple CarPlay wasn't working, the plug in wasn't working, just headache after headache. The finance side made everything feel rushed too. It was very much a sign this, you're on your own now kind of energy, with things not clearly explained as far as costs. This is the 6th or 7th car we've purchased and by far the worst experience I've had with any dealership. When we came back to say we wanted out, the response was basically you don't like the car, what do you want me to do. No apology, no is there anything we can do, just here's your problem, we can't help. Then we were told to go do a private sale since we'd get a better offer than anything they could do. Overall, it was an awful experience. Definitely do your research on the car and the numbers before you sign, don't feel forced into anything just because it's being pushed on you, and go in with your eyes open. I'm only sharing this so future customers have more insight before working with this dealership.

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    Tustin Hyundai

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    We had an outstanding car-buying experience at John Patterson's TUSTIN HYUNDAI. From the moment we…read morearrived, the entire team was professional, knowledgeable, and genuinely focused on helping us find the right vehicle without any pressure. The process was transparent, efficient, and surprisingly stress-free. Every question we had was answered thoroughly, and we appreciated the honesty and attention to detail throughout the transaction. Our salesman David Stea took the time to explain all of our options, making sure we felt comfortable and confident with our decision. What stood out most was the exceptional customer service! Everyone treated us with respect, valued our time, and went above and beyond to ensure a smooth experience from start to finish. If you're looking for a dealership that combines great selection, fair treatment, and outstanding customer care, we highly recommend John Patterson's Tustin Hyundai. We couldn't be happier with our purchase and will gladly return for future vehicle needs. Thank you for making our car-buying experience such a positive one!

    Brennan is horrible to work with. Started texting with him about a car. Couldn't get a straight…read moreanswer on best OTD. He gave me base price and I did the rest of the work to calculate all taxes and fees. I provided what the OTD should be along with a breakdown of what my payments would be with the base price, X down, .99% interest listed on Hyundai's site, and loan years. He said he would confirm and send me paperwork in the morning to get the process going to save time. Sounds promising right? Unfortunately today he text me accusing me of not understanding and telling me I couldn't have the .99% interest and get the base price I was quoted. He then gave me an OTD $4k+ higher than what we talked about. In all honesty I could've just refinanced when I got my first payment and got the OTD price I wanted, but the condescending manner in which he spoke to me wasn't worth it. From the jump he was rude, talking down to me asking if I'd ever bought a car, but I looked past it with the goal of car purchase. But the attitude overall, especially at the end when he realized I knew what I wanted and he couldn't play games was enough to turn me off from Tustin Hyundai. He also badmouthed another dealership which was unprofessional. Just a bad experience all around.

    Tustin Cadillac - My baby is hand washed and ready to go!!!

    Tustin Cadillac

    (381 reviews)

    We had an excellent experience with Tustin Cadillac and couldn't be happier with our new 2027 Optiq…read moreLuxury! A special thank you to Leighton and the entire Sales Management team for working so hard to make this deal happen. We had a very specific vehicle and lease structure in mind, and instead of simply telling us that they couldn't do it, the team kept working, explored different options, and ultimely secured the exact vehicle we wanted while putting together lease terms that were extremely competitive. What impressed us the most was the effort made to earn our business. We had another strong offer available elsewhere, but Tustin Cadillac worked to improve it and provide us what we were looking for: the right car, the right color and configuration, and excellent lease terms, ALL through our local Tustin Cadillac dealer. And the service didn't stop once the paperwork was signed. We received true white-glove attention during delivery. Even though it was late in the day, the team never made us feel rushed. They took the time to walk us through the vehicle, help us get everything set up, and make sure we understood the many features and technology in our new Optiq before we drove away. Big shout out to Peter Ngo, George Yakim, Jay Basilio, and LEIGHTON!! Five stars to you all and Tustin Cadillac

    This is for the service team at Tustin Cadillac. I had such a great experience at Tustin Cadillac…read morethat I felt compelled to share. From start to finish, their customer service truly exceeded expectations. They took the time to answer every single question I had without rushing me, and made sure I felt confident and informed about the work being done on my car. What really stood out was their transparency and pricing. Dealerships don't always have the best reputation when it comes to cost, but that was not the case here. They worked with me to make sure I was getting the best possible price, which I genuinely appreciated. A big thank you to Ricardo, the service manager, who was incredibly helpful and professional throughout the process. He went above and beyond in every way and made the entire experience feel easy and stress-free. Jonathan my service advisor was great prompt and professional through the process. It's rare to find a team that combines professionalism, honesty, and genuinely great customer care the way they do here. If you're looking for a place to service your car, you won't be disappointed with Tustin Cadillac.

    Tustin Buick GMC - car_dealers - Updated September 2026

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