Khashayar S.
11/17/2025
Recently picked up a GMC Sierra AT4, and the experience with Shayan at GMC Tustin was outstanding. He made the entire process ridiculously easy. He explained every detail, helped me compare...
Tustin Buick GMC
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(1,117)
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1 Auto Center Dr
Tustin, CA 92782
Looking for new or used cars in Orange County? Tustin Buick GMC has been a family-owned business since 1954, and in that time, we've built up incredible customer loyalty, both for auto sales and in our world-renowned H1 service center. We carry all the latest GMCs and Buicks as well as many great certified pre-owned vehicles. If you are looking for used cars in Orange County, Irvine and all of the Inland Empire, you know you can count on Tustin Buick GMC.
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Reviews
3.51,117 reviews
Anooshka Y.
11/17/2025
Just purchased my Hummer EV from GMC Tustin, and I can honestly say this was one of the best buying experiences I've ever had. Shayan took care of everything from the moment I walked in. He's...
Daniel B.
5/28/2025
Absolutely the Worst Car Buying Experience - Beware of Tustin Buick GMC I wish I could give zero stars. My experience purchasing a 2024 GMC Hummer EV from Tustin Buick GMC has been nothing short...
Hossein Y.
11/17/2025
Just bought a GMC Canyon Elevation from GMC Tustin, and I couldn't be happier. Shayan made the whole experience smooth and stress-free. He knows trucks inside and out and gave me honest input that...
Guidance M.
11/17/2025
Bought my Hummer EV from GMC Tustin and had an incredible experience. Shayan really knows this vehicle and made everything smooth, honest, and stress-free. Super professional, patient, and easy to...
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