2600 Harbor Boulevard
Costa Mesa, CA 92626

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Sales: 657-212-9823

Used Cars: 657-212-9846

Hours Toggle

Sales Department

Sun 10:00am – 6:00pm
Mon 9:00am – 9:00pm
Tue 9:00am – 9:00pm
Wed 9:00am – 9:00pm
Thu 9:00am – 9:00pm
Fri 9:00am – 9:00pm
Sat 9:00am – 7:00pm

Service Department

Sun Closed
Mon 7:00am – 6:00pm
Tue 7:00am – 6:00pm
Wed 7:00am – 6:00pm
Thu 7:00am – 6:00pm
Fri 7:00am – 6:00pm
Sat 8:00am – 2:00pm

Reviews of Costa Mesa GMC

Overall Rating:

1.4 (out of 5)

76% recommend this dealer

151 total reviews

Showing the most recent reviews from Cars.com and DealerRater.

1.0 (out of 5)

I looked up a vehicle on the company website and came to

Reviewed by dreyes189November 04, 2025

I looked up a vehicle on the company website and came to a good deal. It came out to 505 a month on a 36 month lease. I was in contact with a sales person. So I rented a car and my mind was made up I was driving back in my new vehicle. So after test drive I decided to make sure #'s were correct before I ran my credit. (800 credit score with no debt). So the sales/finance manager came back with 771+ a month lease for 36 months. I told him and showed him what I came up with from their company webpage. His words were "Dealer Fees". What dealer fees come up to 266+ more a month for 36 months. That's around 9600 in the life span of the lease. I've asked for an explanation on the fees from my sales person, 2 different sales managers and have still to hear from back. I cant get an explanation for these fees.

  • Does not recommend this dealer
  • Shopped for a new car

Dealer Response

I'm really sorry to hear about your frustrating experience. It's concerning to us that the numbers you were given didn't match what you'd found on our website, and I can understand how upset you must be. We pride ourselves on providing transparent pricing and excellent customer service, so this is certainly not the kind of feedback we like to hear. If you're willing to give us another chance, I'd love the opportunity to investigate these fees for you and see what we can do to make things right. Please don't hesitate to reach out to me directly. Thank you, Thomas Bramble - General Sales Manager - thomasb@cmgmccadillac.com

Overall Experience 1

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

1.0 (out of 5)

Bait n Switch.

Reviewed by Elle from Corona, CAAugust 28, 2025

Bait n Switch. They show SUV at 67k, yet have 4700 in added crazy dealership add ons to the vehicle. Some items you can’t even understand what they are. They are misleading and dirty sneaky and give all car dealerships a bad name. When I search cars… i do not even look close at anything car that says Costa Mesa GMC.

  • Does not recommend this dealer
  • Shopped for a used car
  • Did not make a purchase

Overall Facilities N/A

Customer Service N/A

Buying Process N/A

Quality of Repair N/A

Maximum rating = 5

1.0 (out of 5)

Very complicated and disappointing.

Reviewed by ericchanusAugust 23, 2025

Very complicated and disappointing. I've bought so many vehicles in my time and I've never experienced anything like this. It was as if they were doing me a favor. They made my transaction a miserable experience. I seriously regret going to them. If you are cash buyer they will do everything they can to prevent you from paying cash. They make money on financing your car. They wanted to run my credit and provide them with all my financial details in order for me to pay cash for the vehicle. Never again.

  • Does not recommend this dealer
  • Shopped for a new car

Dealer Response

I'm sorry to hear about your experience. We strive for a smooth and straightforward process, so this feedback is concerning to receive We would like to address any issues you faced directly. Please feel free to reach out at your convenience. Thank you, Thomas Bramble - General Sales Manager - thomasb@cmgmccadillac.com

Overall Experience 1

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

About Costa Mesa GMC

Here at Costa Mesa Buick GMC, it is our mission to be the automotive home of drivers in the Costa Mesa, CA area. We provide a vast selection of new and used vehicles, exceptional car care and customer service with a smile! Speaking of new Buick, GMC models, you have your pick of our showroom. Our local dealership keeps a great stock of used cars, trucks, and SUVs in inventory. With competitive prices offered on every pre-owned model for sale on our lot, you won't find a reason to visit any other dealership in Costa Mesa.

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