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Corey Hummel

Overview Reviews (17)

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Corey Hummel

General Sales Manager

Mazzei Chevrolet

631 Orange Drive
Vacaville, CA 95687

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4.8

17 Reviews

Overview Reviews (17)

Dealership Experience

8 yrs, 3 mos

Industry Experience

14 yrs, 3 mos

Languages Spoken

English

4.8

17 Reviews

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This rating includes all reviews, with more weight given to recent reviews.

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17 Reviews of Corey Hummel

July 17, 2026

Dealership Rating

Employee Rating

Good dealer. They honored GMAC family first pricing. Still provided fair discounts and reasonable offer on trade. They honored GMAC family first pricing. Still provided fair discounts and reasonable offer on trade. More

by bassett.nr

Verified Customer

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Ryan Banuelos, Johnny Lopez, Bob Frank, CHRISTOPHER DEXTER , Tim, 6-stars

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Jul 17, 2026 -

Mazzei Chevrolet responded

It’s wonderful to hear that we could honor GMAC family first pricing while offering fair discounts and a reasonable trade value. Thanks for trusting us with your Chevrolet Suburban purchase. We look forward to helping you again whenever you need assistance.

July 14, 2026

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Employee Rating

Johnny and the team were very helpful in helping expedite my time at the dealership and giving me the knowledge I needed. I appreciated their expertise and friendly communication. my time at the dealership and giving me the knowledge I needed. I appreciated their expertise and friendly communication. More

by siempremerenee

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Russell Self, Ryan Banuelos, Johnny Lopez, Bob Frank, CHRISTOPHER DEXTER , Judy

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Jul 14, 2026 -

Mazzei Chevrolet responded

It’s wonderful to hear that Johnny and the team made your visit efficient and informative. Enjoy your new Chevrolet Equinox and feel free to reach out whenever you need.

July 12, 2026

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Employee Rating

Great dealership. Honored GMAC family first pricing onna beautiful suburban. Gave a few good discounts as well. tim was awesome Honored GMAC family first pricing onna beautiful suburban. Gave a few good discounts as well. tim was awesome More

by bassett.nr

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Russell Self, Ryan Banuelos, TIM Haley, SAUL SANTAMARIA

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Jul 12, 2026 -

Mazzei Chevrolet responded

It’s fantastic to hear that your family-first pricing on the Chevrolet Suburban and the additional discounts hit the mark. Tim will be thrilled to know he made a positive impact. Let us know if there’s anything else we can do for you.

July 11, 2026

Dealership Rating

Employee Rating

Bob was knowledgeable and understanding of the process. He guided me through the steps and involved me in the process from beginning to end. He guided me through the steps and involved me in the process from beginning to end. More

by siempremerenee

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Ryan Banuelos, Johnny Lopez, Bob Frank, CHRISTOPHER DEXTER , Michael Wallace

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Jul 11, 2026 -

Mazzei Chevrolet responded

We’re pleased Bob guided you through every stage of your Chevrolet Equinox service and kept you involved throughout. Thank you for sharing your experience with a five-star rating.

July 09, 2026

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Employee Rating

Great customer service from the team over there, very knowledgeable team. My past couple of visits have been handled by Mark Lopez and he has been awesome. knowledgeable team. My past couple of visits have been handled by Mark Lopez and he has been awesome. More

by D4KID16

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Ryan Banuelos, Johnny Lopez, Bob Frank, CHRISTOPHER DEXTER

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Jul 09, 2026 -

Mazzei Chevrolet responded

It’s great to hear our service team took such good care of your Chevrolet Silverado 2500. We’ll be sure to share your compliments with your service advisor and the rest of the crew. We appreciate your continued trust and look forward to assisting you again.

June 05, 2026

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10,000 mile service was completed in a timely amount of time. Good job service and Mark. time. Good job service and Mark. More

by BROWNLEE VICHI

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Russell Self, Ryan Banuelos

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Jun 05, 2026 -

Mazzei Chevrolet responded

Thank you for letting us know your Chevrolet Tahoe 10,000-mile service was completed promptly. We appreciate your recognition of our service team and look forward to assisting you in the future.

June 04, 2026

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Employee Rating

Had great experience with the entire online sales team, appreciate everything that they did to get the deal done appreciate everything that they did to get the deal done More

by timblanco

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Ryan Banuelos , Adam Kane

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Jun 04, 2026 -

Mazzei Chevrolet responded

Thank you for choosing us for your GMC purchase. We’re glad our online sales team could make everything smooth and get the deal finalized. We appreciate your feedback and look forward to helping you again.

June 02, 2026

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Employee Rating

Definitely a great experience. Went there thinking honestly that I wouldn’t be able to even get a car and ended up leaving wit a lot better car than I even originally went to get. Went there thinking honestly that I wouldn’t be able to even get a car and ended up leaving wit a lot better car than I even originally went to get. I most definitely appreciate all the work they did to get me driving same day. Tim you are the S#*+ all the way bro thank you More

by johnnym5102900

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Stephen Reyes, Russell Self, Ryan Banuelos, Johnny Lopez

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Jun 02, 2026 -

Mazzei Chevrolet responded

It’s fantastic you drove off in a Chevrolet Equinox that exceeded your expectations. Our team was glad to make the same-day delivery possible. Enjoy your new Equinox, and let us know whenever we can help again.

May 27, 2026

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Employee Rating

The dealership did help me a lot in finding my ideal van. I'm all smiles. I'm all smiles. More

by regcelest

Verified Customer

Sales Price Transparency

Purchase Time

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Stephen Reyes, Russell Self, Ryan Banuelos, Johnny Lopez

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May 29, 2026 -

Mazzei Chevrolet responded

Thank you for sharing your experience with us! We're happy to hear it went well and truly appreciate your feedback. We hope you enjoy your new van!

May 18, 2026

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Employee Rating

The best I’m glad I have you guys thank you very much and thank you for the service thank you for the service More

by FRANCISCOPADILLA9161966

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

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May 18, 2026 -

Mazzei Chevrolet responded

Corey and our team appreciate your kind words about your Chevrolet service. Thank you!