Mike O'Connell
Business Manager
Arlington Heights Buick GMC
777 W Dundee Rd
Arlington Heights, IL 60004
1,467 Reviews
Write a ReviewDealership Experience
12 yrs, 8 mos
Industry Experience
34 yrs, 9 mos
1467 Reviews of Mike O'Connell
September 13, 2026
Nice selection of vehicles to choose from. Cesar Martinez was very helpful and knowledgeable about the different models. Cesar went above and beyond to get us the best deal possible. We have p Cesar Martinez was very helpful and knowledgeable about the different models. Cesar went above and beyond to get us the best deal possible. We have purchased multiple vehicles from this dealer and would definitely go back. More
Other Employees Tagged: Cesar Martinez, Chris Parisi, Nicolette Grivas
September 10, 2026
Cesar was up front, transparent and thorough. He really knew how to explain the tech. He really knew how to explain the tech. More
Other Employees Tagged: Cesar Martinez, Mark Lubrano, Scott Cogan
September 08, 2026
Thanks Cesar for showing me a lot of cars and I finally picked the best! You are amazing, no pushy or pressure. Team offered coffee and water. Service was amazing from start to finish. Financial part wa picked the best! You are amazing, no pushy or pressure. Team offered coffee and water. Service was amazing from start to finish. Financial part was easy , Mike from finance office is a very professional, made me relax and feel so welcomed. I’ve got registration sticker and license plates right away. In a few hours I had my dream car. Highly recommend to check Arlington Heights car dealership Buick and GMC. Seriously, I was amazed with service! Keep doing an amazing job! More
Other Employees Tagged: Cesar Martinez
August 28, 2026
I dealt with honest and straightforward people who delivered what they promised. Cesar was very well versed on the tech and was able to explain ti thoroughly. delivered what they promised. Cesar was very well versed on the tech and was able to explain ti thoroughly. More
Other Employees Tagged: Cesar Martinez
August 22, 2026
kind and welcoming staff. They are patient and want the best for you. great experience. They are patient and want the best for you. great experience. More
Other Employees Tagged: Ariel Szwec, Cesar Martinez, Nicolette Grivas
August 21, 2026
Near perfect experience at a car dealership. Went in not knowing exactly what I wanted. Cesar (salesman) was very knowledgeable and answered questions when I had them, but he let me work throu Went in not knowing exactly what I wanted. Cesar (salesman) was very knowledgeable and answered questions when I had them, but he let me work through the decision process without being pushy or overly assertive - which I appreciated. Mike in Financing was efficient and got me on the road quickly. I would definitely use this Dealership again! More
Other Employees Tagged: Cesar Martinez
August 08, 2026
Excellent dealership to work with. The easiest and painless car buying experience I've ever had. The sales team was exceptional. Andrew, Nicolette, and Mike The finance manager were so The easiest and painless car buying experience I've ever had. The sales team was exceptional. Andrew, Nicolette, and Mike The finance manager were so easygoing. The dealership was very accommodating in every way. More
Other Employees Tagged: Andrew Allen, Nicolette Grivas, Ashley Terry
August 01, 2026
Cesar was very helpful and answered all our questions. The entire process was a good experience. Highly recommend this dealership. Mike O’Connell was also very knowledgeable and helpful. The entire process was a good experience. Highly recommend this dealership. Mike O’Connell was also very knowledgeable and helpful. More
Other Employees Tagged: Samantha Edwards, Cesar Martinez, Ashley Terry
July 23, 2026
We drove close to 2 hours to purchase 2025 Acadia Denali we viewed online. Shelley went above and beyond for us in purchasing our vehicle down to the smallest detail to help assist with a few hiccups to mak we viewed online. Shelley went above and beyond for us in purchasing our vehicle down to the smallest detail to help assist with a few hiccups to make everything right. She introduced us to Carlos who was very nice & helpful in making the experience better by detailing a few things inside the car and cannot leave out Nicolette in the business office who was very pleasant, knowledgeable and went above and beyond. We did not regret driving a little further for great customer service. Thank you for going above and beyond. Would highly recommend this team when looking to purchase your next vehicle! More
Other Employees Tagged: Shelley Barr, Nicolette Grivas , Carlos
July 16, 2026
Cesar Martinez helped me out ! I had a wonderful experience. Recommend to him for vehicle I had a wonderful experience. Recommend to him for vehicle More
Other Employees Tagged: Cesar Martinez, Amin Aminipanah
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