

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...
Read moreDealership Experience
15 yrs, 2 mos
Industry Experience
17 yrs, 6 mos
406 Reviews
Write a Review406 Reviews of Greg Hess
July 25, 2025
Everything went fairly smooth. I had pre approval check so no need to negotiate much. Team was great. Agent Hess & Rodriguez did a good job and very attentive. Really wish I could I had pre approval check so no need to negotiate much. Team was great. Agent Hess & Rodriguez did a good job and very attentive. Really wish I could have got 2nd key programmed though. More
Other Employees Tagged: Albert Rodriguez
July 16, 2025
The employees at this location always do the most for me whenever I do business with them. They go out of their way to make my life easy and explain the process thoroughly so I understand every aspect of le whenever I do business with them. They go out of their way to make my life easy and explain the process thoroughly so I understand every aspect of leasing a car. More
Other Employees Tagged: Jason Ho, JC Cavazos, Nate Heath, Lloyd Beardsley
July 14, 2025
Greg and Mario were instrumental in making sure I got into the right vehicle. While, it was a stressful process because I did not want to get rid of my Silverado, and had a tight budget given I just boug into the right vehicle. While, it was a stressful process because I did not want to get rid of my Silverado, and had a tight budget given I just bought a house, they made sure they were doing what they could to find something that fit my needs. Ultimately, I ended up in a 2025 Chevy Colorado that fits in my garage which was utmost importance. I was sad to see my Silverado go, but life has a funny way of changing and the team at Mark Chris made sure to take care of me. More
Other Employees Tagged: Mario Sanchez
July 13, 2025
The best and would recommend everyone. Customer service is top notch! From sales to management. Customer service is top notch! From sales to management. More
Other Employees Tagged: Joe Gonzalez, JC Cavazos , Eric
June 30, 2025
Alex, Ray and Larry were professional, knowledgeable and efficient. They, and the rest of the team at Mark Christopher Auto Center, made the car buying process quite easy. efficient. They, and the rest of the team at Mark Christopher Auto Center, made the car buying process quite easy. More
Other Employees Tagged: Alex Sarabia , Larry Lee, Ray (last name unknown)
June 21, 2025
Mario really went above and beyond. I went with my wife and two kids. He was really patient and showed me all the features of my truck. Went on to assist me with OnStar and set me up wi I went with my wife and two kids. He was really patient and showed me all the features of my truck. Went on to assist me with OnStar and set me up with GM Rewards! Thank you Mario! More
Other Employees Tagged: Mario Sanchez
June 20, 2025
Customer service like the one Alazar provided is rare. He made my in-laws and mine experience one of a kind. I’ve bought plenty of cars in the past, but I’ve never wanted anyone to get the credit more tha He made my in-laws and mine experience one of a kind. I’ve bought plenty of cars in the past, but I’ve never wanted anyone to get the credit more than Alazar. Since our first initial call to when we received our keys it was a 20/10 More
Other Employees Tagged: Sam Fakhouri, Alazar Omari, Nate Heath, Sam Abdelmesseh, Lloyd Beardsley , Cesar Valenzuela
June 09, 2025
Greg , Alex and his team did an amazing job helping me with a vehicle of mine! They were honest and ethical and made sure they got me the best deal for my situation! It's nice to know that there are still with a vehicle of mine! They were honest and ethical and made sure they got me the best deal for my situation! It's nice to know that there are still good business people in today's world, especially when dealing with vehicles. Check them out if you're looking for an easy and honest car buying experience!! Thanks Car More
Other Employees Tagged: Alex Sarabia
June 06, 2025
They were all very helpful, knowledgeable and honest. I’m so happy with my New RST Suburban!! I’m so happy with my New RST Suburban!! More
Other Employees Tagged: Nate Heath, Lloyd Beardsley , Edgar was awesome to work with
June 06, 2025
One of the best auto dealership experiences I’ve ever had. Greg, Eric, and Sam were very helpful and extremely professional! had. Greg, Eric, and Sam were very helpful and extremely professional! More
Other Employees Tagged: Sam Fakhouri