25 Reviews
Write a Review25 Reviews of John Koo
October 31, 2025
Johnny Koo was friendly from the start along with an abundance of knowledge, patience, kindness, and humor. He is a terrific salesman that made me feel comfortable. abundance of knowledge, patience, kindness, and humor. He is a terrific salesman that made me feel comfortable. More
Other Employees Tagged: Jaik
October 13, 2025
Thank you, Mazda Roseville, for providing such remarkable and consistent customer service. I want to extend a special note of gratitude to Ronny Mogannam for making my experience stress-free, enjoyable, and and consistent customer service. I want to extend a special note of gratitude to Ronny Mogannam for making my experience stress-free, enjoyable, and memorable. More
Other Employees Tagged: Herbert Perdomo, Greg Park, Scott Holden, Ronny Mogannam
October 12, 2025
I was the easiest car buying experience I've had. Everyone was great. Loved Johnny! Everyone was great. Loved Johnny! More
Other Employees Tagged: Max Cuadras
October 09, 2025
John was most helpful with all of our questions. We were never pushed to buy a vehicle, but we wanted to work with John after spending time looking over the vehicle options with him We were never pushed to buy a vehicle, but we wanted to work with John after spending time looking over the vehicle options with him More
Other Employees Tagged: Scott Holden
October 04, 2025
We had the pleasure of working with Jai Edwards. We absolutely love our Jeep and. can’t thank him enough for his patience with us and giving us a great deal! Super friendly staff & service! We absolutely love our Jeep and. can’t thank him enough for his patience with us and giving us a great deal! Super friendly staff & service! More
Other Employees Tagged: Max Cuadras , Jai Edwards
September 28, 2025
Returning and loyal customers so trusted Mazda Roseville’s reputation and service. Mr Koo and everyone especially our finance manager were friendly, knowledgeable, and efficient during leasing pro Roseville’s reputation and service. Mr Koo and everyone especially our finance manager were friendly, knowledgeable, and efficient during leasing process and while our other car was in service bay at the same time. More
September 27, 2025
Great overall experience. Thank you… to Johnny Koo, John Ryan,and Scott Holden for making my buying experience easy. Thank you… to Johnny Koo, John Ryan,and Scott Holden for making my buying experience easy. More
Other Employees Tagged: Scott Holden , John Ryan
September 16, 2025
Welcoming, professional sales members whether online or in person. Courteous communication. Large inventory in easy to access environment. in person. Courteous communication. Large inventory in easy to access environment. More
Other Employees Tagged: Herbert Perdomo , Steven Harris
July 31, 2025
Johnny Koo did a great job, took plenty of time and tracked down exactly what I wanted. The vehicle had to be transported from another dealership but was ready for the next day. Paperwork was no hassle tracked down exactly what I wanted. The vehicle had to be transported from another dealership but was ready for the next day. Paperwork was no hassle, all questions were answered, everything went pretty smoothly! More
July 01, 2025
We had a fantastic experience purchasing a vehicle from Mazda Roseville. John Koo made the process incredibly simple and quick. We negotiated the deal over the phone, and once we reached an agreement, I we Mazda Roseville. John Koo made the process incredibly simple and quick. We negotiated the deal over the phone, and once we reached an agreement, I went to the dealership to finalize the paperwork and pick up the car. The entire experience was hassle-free and straightforward. If you don't have all day to spend at a dealership, I highly recommend giving these folks a call. More
Other Employees Tagged: Lorraine Wilson
                
                
            