Corey Hummel
Corey Hummel at Mazzei Chevrolet

Corey Hummel

General Sales Manager

Mazzei Chevrolet

631 Orange Drive
Vacaville, CA 95687

Contact Me
4.6
20 Reviews

Dealership Experience

8 yrs, 6 mos

Industry Experience

14 yrs, 6 mos

Languages Spoken

English English

4.6

20 Reviews

Write a Review

20 Reviews of Corey Hummel

September 30, 2026

Dealership Rating
Employee Rating

I really enjoyed working with Brison. This was my second purchase from mazzei and I sought out Brison based on my first buying experience. He’s always made himself available for my ques More

by danwaker
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Ryan Banuelos, BRISON WARDLE

Sep 30, 2026

Mazzei Chevrolet responded

Our team enjoyed guiding you through your second Chevrolet Silverado 1500 purchase, and hearing that Brison’s availability made a difference is gratifying. Thank you for choosing us again and for your five-star rating.

September 17, 2026

Dealership Rating
Employee Rating

Always takes care of my vehicle's needs. The customer service is great and they treat you like family. More

by mserika1983
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: ZACH COSTELLO, Jonathan Krueger , Mark in Service

Sep 17, 2026

Mazzei Chevrolet responded

We’re glad our service team consistently looks after your Hyundai Sonata’s needs. Knowing you feel like part of our family means a lot to our team.

September 01, 2026

Dealership Rating
Employee Rating

This dealership is really great! I bought a car here though I lived quite a distance away. I have found that they go the extra mile for their customers. The floor mats were missing More

by kmelliott2018
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Numan Ilayan, Ryan Banuelos, Johnny Lopez, Bob Frank, CHRISTOPHER DEXTER , Tim (sales) and Russel (owner/manager)

Sep 01, 2026

Mazzei Chevrolet responded

Knowing that our service department went the extra mile by ordering and installing your floor mats and promptly verifying your Chevrolet Trax’s issue is truly rewarding. Your kind words and five-star rating mean a great deal to us.

August 18, 2026

Dealership Rating
Employee Rating

It was a smooth process and everyone was very helpful and professionalwe were in and out in a few hours More

by BRNMILLER88
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Ryan Banuelos, ADAM KANE

Aug 18, 2026

Mazzei Chevrolet responded

Knowing the purchase process felt effortless means a lot to our team. We’re pleased our sales staff could guide you smoothly through your purchase of the Ram ProMaster 2500 in just a few hours.

August 06, 2026

Dealership Rating
Employee Rating

Working with Adam was pleasant. He was very transparent in his dealings and communication. We appreciated Adam’s commitment to customer satisfaction even above and beyond his superi More

by deeliteful36
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Ryan Banuelos, ADAM KANE

Aug 09, 2026

Mazzei Chevrolet responded

Thank you for taking the time to share your feedback. We are glad to hear that Adam provided you with transparent communication, excellent service, and ensured your service visit was expedited. We will be sure to pass along your kind words to him. However, we apologize for the condition of your vehicle regarding the oil cap and windshield. This does not reflect the standards of care we strive for.

July 12, 2026

Dealership Rating
Employee Rating

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

by bassett.nr
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
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. More

by siempremerenee
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
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

Dealership Rating
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. More

by D4KID16
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
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

Dealership Rating
Employee Rating

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

by BROWNLEE VICHI
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Russell Self, Ryan Banuelos

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 More

by timblanco
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Ryan Banuelos , Adam Kane

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.

1