Our Reviews

Craig D|2020 GMC 3500HD Sierra

Confirmed Service Customer

3/10/2025

Amanda was very kind and professional and had me in and out with the recall on my truck

NIPOMO, CA

Kathleen H|2021 Buick Envision

Confirmed Service Customer

4/14/2025

Everything was great. Timely. I did not have to wait more than an hour and a half. I did ask for wipers to be changed and the back one was NOT changed

SAN LUIS OBISPO, CA

Juana S|2022 GMC 1500 Sierra

Confirmed Service Customer

4/15/2025

Me atendieron bien

SANTA MARIA, CA

Phillip T|2025 GMC Acadia

Confirmed Sales Customer

5/12/2025

Everyone was great!! Appreciate all the help

SANTA MARIA, CA

Anita C|2021 GMC 1500 Sierra

Confirmed Service Customer

5/24/2025

Friendly staff, happy to do business with you.

SANTA MARIA, CA

John V|2024 GMC Acadia

Confirmed Service Customer

5/24/2025

Very professional and nice people to have dealing with my car. they also were very helpful in answering my questions about my car

SANTA MARIA, CA

Luis L|2024 GMC Yukon

Confirmed Service Customer

6/18/2025

The appointment was on time and the reception was great, the time to change the oil was less than estimated which is very good

NIPOMO, CA

Luis A|2025 GMC Sierra EV

Confirmed Sales Customer

7/7/2025

Well, they were very kind is my second time been there it was a nice welcome. They keep my payment how I was thinking is a very nice dealership they treat you nice.

SANTA BARBARA, CA

Kari E|2023 GMC Yukon

Confirmed Service Customer

7/7/2025

Amanda was friendly and knowledgeable.

SANTA MARIA, CA

Lydia M|2013 Buick Enclave

Confirmed Service Customer

7/9/2025

Very satisfied

NIPOMO, CA

Andres C|2018 GMC 1500 Sierra

Confirmed Service Customer

7/14/2025

I like customer service, everyone is friendly and to help you and that means a lot to us, because we feel welcomed, I'm from Lompoc and don't mind coming to SM to get our truck serviced. Keep up the good work.

LOMPOC, CA

Jonelle C|2024 Buick Encore GX

Confirmed Service Customer

7/21/2025

As always, friendly and efficient.

SANTA MARIA, CA

John B|2019 GMC 2500HD Sierra

Confirmed Service Customer

7/21/2025

We purchased our 2019 GMC Sierra 2500 Diesel from Stowasser on June 30th 2025. During the pre purchase service and inspection the service department had trouble getting it to pass smog. A few days after bringing the truck home the check engine light came on. We scheduled a service appointment for July 11th. We dropped the truck off however the service department was not able to look at it that day at all. The following Monday July 14th we brought the truck back. During a conversation with the service tech they told me it looked like there is an open code that was not dealt with before the smog check. We left the truck with them all week. July 18th we picked up the truck. The service department said they couldn't pin point the problem but that they had replaced a wiring harness for the fuel system and the light had not come back on. We drove the truck home. Before we got home the check engine light came on. We immediately went back to Stowasser and the service tech plugged it in and it does still show something wrong with the fuel system. The tech cancelled the check engine light and we decided we would drive it to see if it comes back on. We need to be able to use this truck and depend on it. I have already sold my other truck. It seems like the dealership was aware of the problem before it was sold to us but wanted to make the sale before the end of the month. Luckily we did purchase the extended warrantee. The problem remains unresolved. We have used Stowasser in the past for service of our 2005 GMC and have been very satisfied with the customer service. We need to be able to use this truck.

NIPOMO, CA

Henry S|2020 GMC 2500HD Sierra

Confirmed Service Customer

3/10/2025

They kept me informed of the progress. And let me know in advance to get my approval for an extra cost fixing a rat issue. All very friendly and helpful.

SOLVANG, CA

Kimberly G|2023 GMC Acadia

Confirmed Service Customer

3/12/2025

It’s was very nice. My service was great,the wait is never long. .

SANTA MARIA, CA

Francisco A|2024 GMC Sierra 2500 HD

Confirmed Service Customer

4/28/2025

Great service keep up the good work I give them 5 ⭐️⭐️⭐️⭐️⭐️.

SANTA MARIA, CA

John S|2016 Buick Encore

Confirmed Service Customer

5/13/2025

Excellent scheduling and fast service

SANTA MARIA, CA

Jacob C|2023 GMC Sierra 1500

Confirmed Service Customer

6/20/2025

Always a great experience!

ORCUTT, CA

Barry M|2022 GMC Yukon XL

Confirmed Service Customer

7/2/2025

great service, friendly staff

SANTA MARIA, CA

Armando M|2021 GMC Canyon

Confirmed Service Customer

7/23/2025

Amanda, the service representative was attentive, caring, and respectful in attending to a problem I had with my truck. I will continue to rely on Stowasser GMC for continuing service for my truck.

SANTA MARIA, CA

Mercedes R|2025 GMC Sierra 1500

Confirmed Sales Customer

8/4/2025

Alex and Jorge were amazing. So helpful. And the purchase was quick and they were informative the whole

SANTA MARIA, CA

Narded E|2021 GMC Acadia

Confirmed Service Customer

8/18/2025

Easy drop off and pickup for engine and transmission oil change service. Had my vehicle ready within a few hours.

SANTA MARIA, CA

Famcon M|2023 GMC Sierra 1500

Confirmed Service Customer

8/19/2025

The service department is the best Mario especially

SANTA MARIA, CA

Lupe V|2025 Buick Enclave

Confirmed Sales Customer

8/21/2025

It was such a great experience it was my first time buying a new car alone. A big thank you to Mr Alex Alvarez made it so great! Love my new Enclave!!!

SANTA MARIA, CA

Ronald B|2026 GMC Sierra 1500

Confirmed Sales Customer

8/23/2025

Very pleased with all the help we received. All salesmen were very nice and informative. We are very satisfied customers. Thanks to all that helped us.

SANTA MARIA, CA

Sergio R|2024 Chevrolet Silverado 1500

Confirmed Service Customer

9/28/2025

El señor Mario, el encargado del servicio, fue muy amable en todo momento tanto por teléfono como en persona quedé muy satisfecho con el servicio gracias a los muchachos que hacen el trabajo duro adentro en los talleres

SANTA MARIA, CA

Armando C|2025 Buick Envista

Confirmed Sales Customer

7/23/2025

The salesman (Ben .C) was amazing he was able to answer all my questions He wasn’t pushy He made us feel comfortable Great personality would definitely recommend him to our friends and family

SANTA MARIA, CA

Leonel C|2021 GMC 2500HD Sierra

Confirmed Service Customer

7/25/2025

Very courteous and professional!

SANTA MARIA, CA

Sharon H|2026 Buick Encore GX

Confirmed Sales Customer

7/25/2025

Great salesman very professional

LOMPOC, CA

Wade K|2025 GMC Sierra EV

Confirmed Sales Customer

7/30/2025

The sales team was extremely responsive and accommodating. They worked with us to get us the best deal possible and were very prompt with answering any questions. We absolutely love our new truck. Thank you!

SANTA MARIA, CA

Lynne M|2018 Buick Envision

Confirmed Service Customer

7/31/2025

Took my car in for an oil change and tire rotation. They were on time and car was finished within the hour.

ORCUTT, CA

Vanessa V|2022 GMC Yukon

Confirmed Service Customer

8/19/2025

Very happy with my experience.

LOMPOC, CA

Jose S|2020 GMC 1500 Sierra

Confirmed Service Customer

8/21/2025

Tienen todo lo que necesitamos

MORRO BAY, CA

Robert N|2020 Chevrolet 1500 Silverado

Confirmed Service Customer

8/23/2025

Amanda was great, she was able to get me in.

NIPOMO, CA

David M|2023 Buick Envision

Confirmed Service Customer

9/12/2025

I was happy that Amanda helped me find my GM points and to get my 2 nd oil change free. Nice!

SANTA MARIA, CA

Robert G|2025 GMC Sierra 2500 HD

Confirmed Service Customer

9/13/2025

Everything went great with my service and installation of my new bed cover 👍🏻

SANTA YNEZ, CA

Gary S|2025 GMC Sierra 2500 HD

Confirmed Sales Customer

9/15/2025

Tony and Alex were great they helped me pick the truck I wanted for a great price. Tony took the time to help me understand all of the systems in my new truck and offered to help even after I left the dealership. What a great team of people at the dealership everyone was nice and helpful.

NIPOMO, CA

Ralph M|2024 GMC Sierra 1500

Confirmed Service Customer

9/19/2025

Very professional staff. Amanda is always a true professional. Very pleasant.

BUELLTON, CA

Maria L|2026 GMC Yukon

Confirmed Sales Customer

10/14/2025

Team members were so pleasant and very helpful. Tony was amazing in explaining everything about the car. Great teamwork! Thank you so much! Will come back and will definitely recommend this place to all my colleagues!

LOMPOC, CA

Joseph A|2020 GMC Terrain

Confirmed Service Customer

10/9/2025

I truly felt at home at Stowasser, upon my arrival I felt like Nemo from the titular film, "Finding Nemo", when he arrives at his first day at school. Lost and alone, I was immediately helped by the service department and taken care of to such an extent that, dare I say, taught me to love humanity again. I was told that it would take some time to complete my service and I was personally escorted to the beautiful lounge where I was able to rest me weary head while I waited for my vehicle's service to be complete. As I glanced to my side I was quickly astonished by the wall of awards presented to Stowasser and needless to say, my breathe was taken away. It was in that moment that I knew I was in good hands. At this point I had been approached by a rather handsome gentlemen, he welcomed to the dealership and informed me if I had any questions while my vehicle was being serviced, as we began speaking he peaked my interest; however, I was not in the market for a new vehicle. I have an AMAZING 2020 GMC Terrain and it has taken me great distances and treated me wonderfully, I could not fathom parting with it. As my conversation continued with this gentlemen I began to feel so incredibly welcomed at Stowasser, it was if I was being welcomed by my own father! It goes without saying, I would absolutely recommend to anyone around the world to do business at Stowasser, not only will they treat you like a real human being they will even teach you to love again.

SANTA MARIA, CA

Brad D|2017 GMC 1500 Sierra

Confirmed Service Customer

10/11/2025

Amanda kept me up to date on the repairs being done and when the truck would be ready. The repairs were done very well and I am a happy customer.

SANTA MARIA, CA

Thomas S|2023 Buick Envision

Confirmed Service Customer

10/12/2025

Always friendly, helpful and professional.

ARROYO GRANDE, CA

Pamela B|2014 GMC Terrain

Confirmed Service Customer

10/13/2025

Always Great service!!

SANTA MARIA, CA

Sheldon M|2025 Buick Envista

Confirmed Sales Customer

10/14/2025

to much to tell call me at 559 675 1282

ARROYO GRANDE, CA

Ivan D|2015 GMC Canyon

Confirmed Service Customer

10/16/2025

I have been taking my truck to the dealership for about 10 years, a few years ago I had a very bad experience and I have avoided going in to the dealership. After yesterday I feel better about how things went at the dealership.

GROVER BEACH, CA

Sonya G|2020 GMC Terrain

Confirmed Service Customer

11/7/2025

Great customer service with smooth drop off and vehicle updates tailored to my cars needs. They recommended an air filter replacement and included pictures for reference that I accepted.

GUADALUPE, CA

Michael C|2014 Buick Encore

Confirmed Service Customer

11/8/2025

I went in because my car was stalling when I drove it. I drive a 2014 Buick encore. I received it the next the day and they told me there was nothing wrong. I explained to them I commute to work and to Fresno to see my daughter. So I need to make sure everything is okay. They reassured me that nothing was wrong. The next morning on my way to work sure enough my car stalls on the freeway. I am now stranded and need a tow and am not going to make it to work. I call them to tell them and they say they can not help me with a tow or anything and that is was good yesterday that it was pretty much my problem. Not having sympathy or anything. I then said I can will get a tow and they reply we will work on it when we can.. like they didnt want to help. I ended up getting a tow to a different dealership since I didn't feel stowaser had any kind of customer service very rude. Didn't take any accountability but most of all didn't actually fix my car or diagnose it. Which left me missing time at work, costing my a $300 tow, and a rental car so I can drive to work. I hope this get to someone who can talk to whoever runs the service department in santa maria, CA stowaser so they can address the situation so it doesn't happen again to someone else.

11/8/2025

We’re truly sorry to hear about the trouble you’ve experienced and understand how frustrating this must have been. Your comments will be reviewed with our Service Manager. Your experience matters to us. We will reach out Monday when the service department is open to better understand the situation and learn how we can improve.

Business Response

SANTA MARIA, CA

Ashley M|2021 GMC Yukon

Confirmed Service Customer

10/22/2025

Great

ORCUTT, CA

Elysia L|2025 GMC Yukon XL 1500

Confirmed Service Customer

11/12/2025

Friendly and efficient

BUELTON, CA

Eloina L|2021 Chevrolet Colorado

Confirmed Service Customer

12/9/2025

Excelente

SANTA MARIA, CA

Jacinto L|2024 GMC Acadia

Confirmed Service Customer

12/11/2025

Todo muy bien muchas gracias

NIPOMO, CA

Mark L|2025 GMC Sierra 2500 HD

Confirmed Service Customer

12/17/2025

Took my truck in on the scheduled time. Was done in 45 min. Thumbs up!!

LOS ALAMOS, CA

David M|2023 Buick Envision

Confirmed Service Customer

12/18/2025

On time, easy drop off!!

SANTA MARIA, CA

Juan C|2024 GMC Sierra 2500 HD

Confirmed Service Customer

1/8/2026

I was good kind and fast

SANTA MARIA, CA

Richard D|2023 Buick Encore GX

Confirmed Service Customer

1/9/2026

Took longer than expected, but they clearly cared about my experience and helped make it worth it.

MORRO BAY, CA

Kari E|2023 GMC Yukon

Confirmed Service Customer

11/13/2025

Quick service

SANTA MARIA, CA

Christina K|2017 Buick Encore

Confirmed Service Customer

11/17/2025

It was a pleasant experience. Staff were personable and professional.

SANTA MARIA, CA

Juan Carlos O|2015 GMC 1500 Sierra

Confirmed Service Customer

11/18/2025

Mario and the service department including the service manager were very helpful and attentive

SANTA MARIA, CA

Stephen A|2025 GMC Sierra 1500

Confirmed Sales Customer

11/22/2025

Smooth, easy transaction. Knowledgeable people, nice dealership

NIPOMO, CA

Alma V|2002 GMC Envoy

Confirmed Service Customer

12/10/2025

The service department was very helpful and kept me up to date on the timeline for my car. They sent me a text letting me know that my service was going to take a little longer since they needed to send out for a part they did not have. I appreciated the heads up since I needed to arrange for transportation while my car was being serviced.

SANTA MARIA, CA

Jose B|2026 GMC Sierra 1500

Confirmed Sales Customer

12/12/2025

Tony and his coworkers were very friendly and profesional.

SANTA MARIA, CA

Turner J|2022 GMC Canyon

Confirmed Service Customer

12/19/2025

Quick, very helpful in answering concerns, this again

NIPOMO, CA

Anita C|2014 GMC Acadia

Confirmed Service Customer

12/19/2025

Friendly staff, and excellent customer service. Amanda was great with any concerns I had and got back to me with answers. Pleased with the service and experience I had there.

SANTA MARIA, CA

Sharon H|2026 Buick Encore GX

Confirmed Service Customer

12/22/2025

Great service

LOMPOC, CA

Alfredo G|2021 GMC 1500 Sierra

Confirmed Service Customer

1/8/2026

Could not have been more satisfied

SANTA MARIA, CA