John Koo
John Koo at Mazda Roseville

John Koo

Sales Associate

Mazda Roseville

800 Automall Dr
Roseville, CA 95661

Contact Me
5.0
21 Reviews
5.0

21 Reviews

Write a Review

21 Reviews of John Koo

October 04, 2025

Dealership Rating
Employee Rating

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! More

by Steph Henry
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Max Cuadras , Jai Edwards

September 28, 2025

Dealership Rating
Employee Rating

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 More

by AKICHANI
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes
Sep 29, 2025

Mazda Roseville responded

Thank you for your loyalty and trust in Mazda Roseville! We’re so glad Mr. Koo and the rest of the team made your leasing process smooth and efficient while also taking care of your other vehicle in service. We truly value your continued business and look forward to serving you again in the future!

September 27, 2025

Dealership Rating
Employee Rating

Great overall experience. Thank you… to Johnny Koo, John Ryan,and Scott Holden for making my buying experience easy. More

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

Other Employees Tagged: Scott Holden , John Ryan

Sep 29, 2025

Mazda Roseville responded

Thank you for sharing your experience! We’re so glad Johnny, John, and Scott made the process easy and enjoyable for you. We truly appreciate your kind words and look forward to welcoming you back in the future.

September 16, 2025

Dealership Rating
Employee Rating

Welcoming, professional sales members whether online or in person. Courteous communication. Large inventory in easy to access environment. More

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

Other Employees Tagged: Herbert Perdomo , Steven Harris

Sep 17, 2025

Mazda Roseville responded

Thank you so much for your kind feedback! We’re thrilled to hear that you had a positive experience with our team both online and in person. Providing courteous communication and a welcoming environment is always our goal. We truly appreciate your support and hope to serve you again in the future!

July 31, 2025

Dealership Rating
Employee Rating

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 More

by Carole C
Sales Price Transparency
Trade-in Experience
Purchase Time
Recommend Dealer
Yes
Aug 01, 2025

Mazda Roseville responded

Carole, for and make the entire process smooth and hassle-free. It's great to hear everything came together quickly and that your questions were fully answered. We appreciate your business and hope you’re loving your new vehicle! We wish you many happy miles ahead.

July 01, 2025

Dealership Rating
Employee Rating

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 More

by wisdom_sp2000
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Lorraine Wilson

Jul 01, 2025

Mazda Roseville responded

Thank you for sharing your fantastic experience! We're so glad to hear that John Koo made the car-buying process smooth, quick, and hassle-free. We know your time is valuable, and it's great to know we could make everything straightforward and efficient for you. Your recommendation means a lot to us, and we truly appreciate your support. Enjoy your new vehicle, and we hope to see you again in the future!

May 17, 2025

Dealership Rating
Employee Rating

Hands down Roseville Mazda is the place to go. I recently bought a new CX5 and was delighted the entire way! The sales staff was very attentive. I really appreciate how hard John Koo and Roger Thu More

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

Other Employees Tagged: Scott Holden, Roger Thurman

May 19, 2025

Mazda Roseville responded

Pat, Thank you so much for your kind words! We’re absolutely thrilled to hear that your experience at Roseville Mazda was such a positive one. We’re incredibly proud of our team, and it’s wonderful to hear that John Koo, Roger Thurman, and Scott Holden all played a part in making the process smooth, transparent, and enjoyable. Thank you again for choosing Roseville Mazda and for recommending us so highly. We wish you many happy and safe miles in your new CX-5!

January 24, 2025

Dealership Rating
Employee Rating

John and Brian were easy to work with. John started us off with a vehicle that met most of our wants. My husband took it a bit further and wanted to drive a Turbo Signature. Brian broug More

by quarterhorse56trucks
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Scott Holden , Brian Randall

Jan 27, 2025

Mazda Roseville responded

Thank you so much for sharing your experience with John, Brian, and the team! We’re so glad to hear that you found the perfect vehicle that met all your needs, and that the process was smooth and pressure-free. It's great to know Brian was able to accommodate your time constraints and make the experience even easier for you. We really appreciate your recommendation and look forward to serving you again in the future! Enjoy your new Mazda!

January 12, 2025

Dealership Rating
Employee Rating

Best customer service. from we entered and left the dealership.I will recommend this to my friends. More

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

Other Employees Tagged: Nino Christian Alaman

Jan 13, 2025

Mazda Roseville responded

Thank you so much for all your kind words. We are so happy to hear you had a seamless and enjoyable car buying experience with us. We appreciate the heartfelt recommendation and look forward to a long-lasting relationship!

January 09, 2025

Dealership Rating
Employee Rating

All the staff was super helpful. Steven made the process super smooth and Herbert went above and beyond to explain all the features of the car to us. More

by marc.hartsell
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Herbert Perdomo, Wynette Myers , steven Harris

Jan 10, 2025

Mazda Roseville responded

Marc, Thank you so much for the kind words! We are so glad to hear that Steven and Herbert ensured your experience was a seamless and enjoyable one. We appreciate your business and we look forward to a long-lasting relationship!

1

Dealership Inventory (201 Vehicles)

new 2025 Mazda CX-50 car, priced at $36,580
2025 Mazda CX-50
new
Ingot Blue Metallic exterior
Automatic
All-wheel Drive
new 2025 Mazda CX-5 car, priced at $37,890
2025 Mazda CX-5
new
Soul Red Crystal Metallic exterior
Automatic
All-wheel Drive
new 2025 Mazda Mazda3 car, priced at $27,080
2025 Mazda Mazda3
new
Machine Gray Metallic exterior
Automatic
Front-wheel Drive
used 2023 Ram 1500 car, priced at $46,500
2023 Ram 1500
used
Delmonico Red Pearlcoat exterior
Automatic
Rear-wheel Drive
new 2025 Mazda CX-50 car, priced at $44,185
2025 Mazda CX-50
new
Wind Chill Pearl exterior
Automatic
All-wheel Drive
used 2021 Toyota RAV4 Hybrid car, priced at $24,500
2021 Toyota RAV4 Hybrid
used
Blue / Gray exterior
CVT
All-wheel Drive