Dealer Reviews

Cars for Sale

Write a Review

Dealer Log In

Write a Review

Greg Hess

Overview Reviews (457)

Contact Me

View All Employees

< View All Employees

Greg Hess

Internet Sales Director

Mark Christopher Auto Center

2131 E Convention Center Way
Ontario, CA 91764

Love to give Great Experiences and gain raving fans...

Contact Me

4.7

457 Reviews

Love to give Great Experiences and gain raving fans...

Overview Reviews (457)

Dealership Experience

16 yrs, 4 mos

Industry Experience

18 yrs, 8 mos

4.7

457 Reviews

Write a Review

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

Contact Greg Hess

Name

Email or Mobile Phone

Message

By clicking Send Message, you agree to receive automated texts to connect you to this dealership employee, to market and provide information, and to better serve you. Purchase is not required and you agree to our Terms of Use and Privacy Policy. Standard message and data rates may apply.

457 Reviews of Greg Hess

September 04, 2026

Dealership Rating

Employee Rating

Outstanding service. Always going above and beyond the call! Lloyd and Greg Hess are absolutely the best! Always going above and beyond the call! Lloyd and Greg Hess are absolutely the best! More

by g2dalee7

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Lloyd Beardsley

Sep 05, 2026 -

Mark Christopher Auto Center responded

Thank you for your review! I'm thrilled to hear you had an outstanding experience at Mark Christopher Auto Center. It's great to know that Lloyd and Greg provided you with exceptional service. Looking forward to welcoming you back for your next visit! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 29, 2026

Dealership Rating

Employee Rating

Clean, professional, thorough. Greg and his team were great and very accommodating and gave me a great tour and break down of the process Greg and his team were great and very accommodating and gave me a great tour and break down of the process More

by nesbit.kj

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Aug 30, 2026 -

Mark Christopher Auto Center responded

Thank you for your kind words! I’m happy to hear that you had a positive experience at Mark Christopher Auto Center. Greg was great and very accommodating, and I’m glad you appreciated the tour and thorough breakdown of the process. We look forward to welcoming you back for your next visit! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

August 23, 2026

Dealership Rating

Employee Rating

Both Greg and JC were really good to work with. They made the process quick and easy. Thank you guys!!! They made the process quick and easy. Thank you guys!!! More

by lgomez59

Verified Customer

Recommend Dealer

Yes

Other Employees Tagged: Jason Ho, JC Cavazos

Aug 24, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review! I’m thrilled to hear that Greg and JC made your experience at Mark Christopher Auto Center quick and easy. I appreciate your feedback, and we look forward to assisting you again in the future! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

August 13, 2026

Dealership Rating

Employee Rating

Excellent Service I had my 2025 Silverado 1500 3. 0L Duramax serviced here, and Juan Fletes did an outstanding job as my service advisor. He was professional, knowledgeable, and kept me updated throug 0L Duramax serviced here, and Juan Fletes did an outstanding job as my service advisor. He was professional, knowledgeable, and kept me updated throughout the entire process. Everything was handled smoothly, and I really appreciated the level of communication and customer service. I highly recommend Juan and the service department! More

by RAMIMAHROOM279

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Sam Fakhouri, Jason Ho, Jeff Rizzi, Nate Heath, Dino Picanzo, Avo Injian, Juan Fletes, Sam Abdelmesseh, Lloyd Beardsley

Aug 14, 2026 -

Mark Christopher Auto Center responded

Thank you for your review, Rami! I’m happy to hear you had an excellent experience with your 2025 Chevrolet Silverado 1500 at Mark Christopher Auto Center. Juan is indeed a valuable member of the team, and it's great to know he provided you with the professional and attentive service you deserve. We appreciate your recommendation and look forward to seeing you again for your future service needs. Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 10, 2026

Dealership Rating

Employee Rating

Genuine care and customer service feels like a lost art these days. However, at Mark Christopher, it is in full effect. They know how to take care of their customers. From the first greeting, to the clear these days. However, at Mark Christopher, it is in full effect. They know how to take care of their customers. From the first greeting, to the clear communication of what is needed and when my car would be complete is such a refreshing act. Nobu and the entire staff at Mark Christopher really make you feel like they are truly there to serve and do it well. This is the only place that I take my car More

by sslater5

Verified Customer

Service Price Transparency

Workmanship

Service Time

Service Communication

Recommend Dealer

Yes

Other Employees Tagged: Dino Picanzo, Nobu Damon, Cesar Luna

Aug 10, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review, Slater! I’m thrilled to hear that you felt genuinely cared for and well-served by Nobu and the entire staff at Mark Christopher Auto Center. Providing clear communication and excellent customer service is our top priority, and I’m glad we made a positive impression on you. I appreciate your trust, and we look forward to seeing you again for your next service! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

July 31, 2026

Dealership Rating

Employee Rating

Once again a great experience all around. From Greg to JC, the entire team makes it so easy to continue doing business here. Thank you Mark Christopher team! From Greg to JC, the entire team makes it so easy to continue doing business here. Thank you Mark Christopher team! More

by andrew@newwealthadvisorsclub.com

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: JC Cavazos

Aug 01, 2026 -

Mark Christopher Auto Center responded

Thank you for your amazing review, Andrew! I’m thrilled to hear that you had another great experience with us at Mark Christopher Auto Center. It's always our goal to make your visits smooth and enjoyable, and I appreciate your recognition of Greg, JC, and the entire team. We look forward to assisting you again in the future! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

July 26, 2026

Dealership Rating

Employee Rating

From start to finish, the experience at Mark Christopher has always been amazing! Thank you to Alex, Greg, and the rest of the team for making it such a seamless and easy shopping experience. Refreshing to has always been amazing! Thank you to Alex, Greg, and the rest of the team for making it such a seamless and easy shopping experience. Refreshing to work with a dealership that has integrity! More

by andrew@newwealthadvisorsclub.com

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Alex Sarabia

Jul 26, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review, Andrew! I truly appreciate your kind words about your experience at Mark Christopher Auto Center. It's great to hear that Alex, Greg, and the rest of the team made your shopping experience seamless and enjoyable. We strive to operate with integrity, and I am glad that it resonated with you. We look forward to seeing you again soon! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

July 21, 2026

Dealership Rating

Employee Rating

Mark Christopher Auto Center has very friendly, professional, and knowledgeable staff. Everyone is willing to assist and make sure your experience is top notch. professional, and knowledgeable staff. Everyone is willing to assist and make sure your experience is top notch. More

by vbermudezsoccer

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Jason Ho, Jeff Rizzi, Nate Heath, Lloyd Beardsley, Frank Vera

Jul 21, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review! I truly appreciate your kind words about our friendly, professional, and knowledgeable staff at Mark Christopher Auto Center. It's our goal to provide a top-notch experience for all our customers. We look forward to assisting you again in the future! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

July 18, 2026

Dealership Rating

Employee Rating

They did a great job with customer service. They were very attentive and willing to work with me for a gift with a new car for my wife. 10 star service! They were very attentive and willing to work with me for a gift with a new car for my wife. 10 star service! More

by laker34sanchez

Verified Customer

Sales Price Transparency

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Alex Sarabia, Frank Vera

Jul 19, 2026 -

Mark Christopher Auto Center responded

Thank you so much for your wonderful review! I’m delighted to hear that you had a great experience with our customer service at Mark Christopher Auto Center. It’s fantastic that we could assist you in finding a special gift for your wife. We look forward to seeing you again soon! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

July 17, 2026

Dealership Rating

Employee Rating

Mark Christopher was very helpful and accommodating in the purchasing my vehicle. Mario Sanchez helped me very much as well as Greg Hess. the purchasing my vehicle. Mario Sanchez helped me very much as well as Greg Hess. More

by DRRHODA

Verified Customer

Sales Price Transparency

Trade-in Experience

Purchase Time

Finance Experience

Recommend Dealer

Yes

Other Employees Tagged: Mario Sanchez

Jul 17, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review! I’m thrilled to hear that we were able to assist you in your vehicle purchase. It's great to know that Mario and Greg provided you with the support you needed. I appreciate your feedback, and we look forward to serving you again in the future! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932