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Corey Hummel

Overview Reviews (12)

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Corey Hummel

General Sales Manager

Mazzei Chevrolet

631 Orange Drive
Vacaville, CA 95687

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4.8

12 Reviews

Overview Reviews (12)

Dealership Experience

8 yrs, 2 mos

Industry Experience

14 yrs, 2 mos

Languages Spoken

English

4.8

12 Reviews

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

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12 Reviews of Corey Hummel

June 05, 2026

Dealership Rating

Employee Rating

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

Dealership Rating

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

Dealership Rating

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!

May 13, 2026

Dealership Rating

Employee Rating

allways get the best care when i go in for any service needs or parts. the popcorn is a great bonus needs or parts. the popcorn is a great bonus More

by MTKEITH80

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Numan Ilayan, Russell Self, Ryan Banuelos

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May 13, 2026 -

Mazzei Chevrolet responded

We’re pleased to hear that your Chevrolet Colorado gets great attention whenever you come in for service or parts. Knowing you enjoy our freshly popped popcorn makes us smile. Our team, led by Numan, looks forward to supporting your next visit.

May 05, 2026

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Excellent and friendly and fully knowledgeable! Looking forward to visiting the dealership again and meeting everyone! Looking forward to visiting the dealership again and meeting everyone! More

by THELAJONWEBB

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

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

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May 05, 2026 -

Mazzei Chevrolet responded

It’s wonderful to know you found our service both friendly and knowledgeable when working on your Chevrolet Camaro. We look forward to welcoming you back and introducing you to everyone. Thank you for the five stars!

May 05, 2026

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Employee Rating

I came thinking it would be like all other dealerships but it was not Ron was awesome very personal and he cared so much, gave me the confidence I needed in purchasing my new truck, I will return to get m but it was not Ron was awesome very personal and he cared so much, gave me the confidence I needed in purchasing my new truck, I will return to get my second vehicle shortly. More

by lance120955

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 , Ron

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May 05, 2026 -

Mazzei Chevrolet responded

It’s wonderful to know our personalized approach exceeded your expectations and helped you feel confident about your new Chevrolet Silverado 1500. We appreciate you sharing your experience. We look forward to assisting you again when you’re ready for your next vehicle.

May 02, 2026

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Employee Rating

They were at working with me to negotiate a price to my satisfaction Good team not pushy. satisfaction Good team not pushy. More

by certified777

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

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

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May 03, 2026 -

Mazzei Chevrolet responded

We appreciate you sharing how our team worked with you to find a price that fit your needs without any pressure. Congratulations on your new Chevrolet Colorado. Please reach out if there’s anything else we can do for you.

April 15, 2026

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Employee Rating

Pleasure to work with! Highly recommend Mazzei Chevrolet and all their employees. Very professional and open with their communication. Highly recommend Mazzei Chevrolet and all their employees. Very professional and open with their communication. More

by FLYBYLATHAM

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

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

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Apr 16, 2026 -

Mazzei Chevrolet responded

Thank you so much for choosing Mazzei Chevrolet! Please let us know if we can be of any more assistance.