John Bosak
John Bosak at Graff Kia

John Bosak

Manager

Graff Kia

241 Melton Road
Burns Harbor, IN 46304

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4.7
43 Reviews
4.7

43 Reviews

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43 Reviews of John Bosak

February 20, 2026

Dealership Rating
Employee Rating

Excellent customer service staff acknowledges you by name and answers all your questions always friendly More

by OLDLADY44@YAHOO.cOM
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Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Feb 20, 2026

Graff Kia responded

Thank you for the 5-star review and for highlighting how our staff addressed you by name while answering every question. We’re pleased our team could deliver a friendly, personalized experience as you took delivery of your new Kia Sorento. Please let us know whenever you need assistance with your Sorento.

February 19, 2026

Dealership Rating
Employee Rating

Excellent staff and great customer service! I’m a returning customer who bought 2 cars from John Bosak 3 1/2 yrs ago and returned and purchased two more cars from John Bosak and Juliana McMast More

by law1096
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Juliana McMaster

Feb 19, 2026

Graff Kia responded

Thank you for returning for your fourth Kia and trusting John with your new Sorento. It’s wonderful to hear our staff delivered the service you expect. Enjoy your new SUV!

February 18, 2026

Dealership Rating
Employee Rating

Great dealership, everyone very professional and helped in leasing my car. Car buying or leasing can be very stressful but they made everything okay. More

by amarie49
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Julianna

Feb 19, 2026

Graff Kia responded

Thanks for the fantastic review. We’re delighted our team provided professional support and made leasing your Kia a stress-free process. John and everyone here appreciate your five-star feedback.

February 12, 2026

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Employee Rating

The lady who rated on me was very pleasant and showed me the ins and outs of the oil change More

by LORNASARNOWSKI
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Feb 13, 2026

Graff Kia responded

It’s wonderful that our service team provided a pleasant experience and guided you through each step of your Kia Seltos oil change. Thank you for trusting us with your service needs.

January 21, 2026

Dealership Rating
Employee Rating

They were great, friendly yet professional. Took less time to pro..do all work .staff is very good. More

by jim@natroncorporation.com
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Jan 21, 2026

Graff Kia responded

Thank you for taking the time to share your thoughts on working with our team. We're glad to hear we delivered such a great experience!

January 15, 2026

Dealership Rating
Employee Rating

Jeff Martin in service did an amazing job on my oil change! The speed, professionalism and quality of work were above my expectations! Will definitely be back for future needs. More

by .
Recommend Dealer
Yes

Other Employees Tagged: Jeff Martin 5 stars

Jan 15, 2026

Graff Kia responded

We are very happy to have provided you with such a positive experience! We sincerely value your business and look forward to your next visit.

January 08, 2026

Dealership Rating
Employee Rating

multple service dept issues. Dissatisfaction has been made known to mgr. Have requested corporate representative to conference and review. No response to that request. More

by ROPERDIANE
Recommend Dealer
No
Jan 14, 2026

Graff Kia responded

Diane, providing a positive experience is our top priority, and we're sorry that we failed here. We'd love the opportunity to discuss your visit in greater detail and clear up any issues we can. If it's possible to talk about your experience one-on-one, please reach out to us directly to let us know the best way to contact you, and we will reach out.

January 06, 2026

Dealership Rating
Employee Rating

Great, quick, and honest service. Answered all of my questions. Gave me a great deal on a great vehicle. More

by kesslergarrett
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Jan 06, 2026

Graff Kia responded

Thank you for choosing Graff Kia. Your feedback and rating mean a lot to us. We're glad we were able to help, and we hope to see you again!

December 02, 2025

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Employee Rating

Easy to work with and made the deal in just a few hours. Well above my expectations More

by JP
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Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

Other Employees Tagged: Dakota

November 27, 2025

Dealership Rating
Employee Rating

They were very timely and I got professional treatment during the service. I will continue servicing my vehicle at Graffs. More

by JEROMEK6
Sales Price Transparency
Trade-in Experience
Purchase Time
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Recommend Dealer
Yes
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