[{"id":224156,"firstName":"Mike","lastName":"O'Connell","titleText":"Business Manager","emailTxt":"moconnell@sullivanbuickgmc.com","combinedEmpAvgRatingNbr":5,"combinedRecentReviewCnt":21,"combinedEmpReviewCnt":628,"imageUrl":"https://cdn-user.dealerrater.com/images/dealer/31470/employees/1c2e38ea0167.jpg","drDealerId":31470,"dealerEmpStartDtUtc":"1391212800","industryStartDtUtc":"694224000","certifiedEmployee":true,"deptDscrp":"Finance"},{"id":609394,"firstName":"Cesar","lastName":"Martinez","titleText":"Sales","emailTxt":"cesar@sullivanbuickgmc.com","combinedEmpAvgRatingNbr":5,"combinedRecentReviewCnt":10,"combinedEmpReviewCnt":44,"imageUrl":"https://cdn-user.dealerrater.com/images/dealer/31470/employees/f2d6250dc01b.jpg","drDealerId":31470,"dealerEmpStartDtUtc":"1561939200","industryStartDtUtc":"1485907200","certifiedEmployee":true,"deptDscrp":"Sales"},{"id":195938,"personPtyId":42247887,"firstName":"Chris","lastName":"Lahey","titleText":"Certified Sales Consultant","shortBioText":"Experienced and Professional. Treating people the way I want to be treated is the only way forward. Come and experience the way car buying should be. Call me directly at the dealership at 847-385-0624. My scheduled hours are 1-9 Monday and Friday, 9-5 on Wednesday, 9-7 on Thursday and 9-5 on Saturday. Any time or day not listed is by appointment as I work around my clients schedule, not my own. All times are CST. We look forward to seeing you!","emailTxt":"chrislahey@sullivanbuickgmc.com","combinedEmpAvgRatingNbr":5,"combinedRecentReviewCnt":5,"combinedEmpReviewCnt":175,"imageUrl":"https://cdn-user.dealerrater.com/images/dealer/31470/employees/ec64f4ecf1d4.jpg","drDealerId":31470,"dealerEmpStartDtUtc":"1320105600","industryStartDtUtc":"1214870400","certifiedEmployee":true,"deptDscrp":"Sales"},{"id":364607,"personPtyId":37143232,"firstName":"Shelley","lastName":"Barr","titleText":"Certified Sales Consultant","emailTxt":"shelley@sullivanbuickgmc.com","combinedEmpAvgRatingNbr":5,"combinedRecentReviewCnt":5,"combinedEmpReviewCnt":295,"imageUrl":"https://cdn-user.dealerrater.com/images/dealer/31470/employees/4109fe84f05c.jpg","drDealerId":31470,"certifiedEmployee":true,"deptDscrp":"Sales"},{"id":195954,"personPtyId":37150352,"firstName":"Phillip","lastName":"Pilny","titleText":"Sales 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Sullivan Buick GMC

4.9 out of 5 4.9
Rectangle 48
Sales 9:00 AM - 9:00 PM
Service 7:30 AM - 6:00 PM

Sullivan Buick GMC Hours

Sales

Monday

9:00 AM - 9:00 PM

Tuesday

9:00 AM - 9:00 PM

Wednesday

9:00 AM - 9:00 PM

Thursday

9:00 AM - 9:00 PM

Friday

9:00 AM - 9:00 PM

Saturday

9:00 AM - 5:00 PM

Sunday

Closed

Service

Monday

7:30 AM - 6:00 PM

Tuesday

7:30 AM - 6:00 PM

Wednesday

7:30 AM - 6:00 PM

Thursday

7:30 AM - 6:00 PM

Friday

7:30 AM - 6:00 PM

Saturday

8:00 AM - 3:00 PM

Sunday

Closed

Special Offers

Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
Other rates
Cars.com is not responsible for errors in dealer or manufacturer advertisements or offers. Some financing and lease offers may require substantial cash down payments. Every dealer and manufacturer offer will have its own specific terms and conditions, and not every buyer or vehicle will qualify for every offer. Be sure to contact your dealer for full offer details.
See all Special Offers

About Our Dealership

Dealer on Cars.com since February 2003

Let Sullivan Buick GMC be your destination for your next vehicle. Setting new standards for excellence in the industry.

...

Large inventory of Buick's, GMC's and very nice Pre-Driven cars trucks and SUV's. Offering sales, service, financing and parts. Sullivan Buick GMC is Illinois's leader in customer satisfaction.

"Experience the Sullivan Buick GMC Difference!"

Service

Wheel Balance

$84.95

Tire Rotation

$25.95

Oil, Filter Change

$29.95

Air Filter Replacement

$29.95 and up*

RepairPal Certification

  • Warranty - At least a 12,000-mile / 12-month warranty on parts and labor.
  • Price - Fair prices, measured by comparing them to the RepairPal Price Estimator.
  • Technician Quality - Technicians and advisors are properly trained, retained, and certified for quality.
  • Customer Satisfaction - A verified collection of valid online dealer reviews to demonstrate exceptional service quality.

Reviews

4.9 out of 5 4.9
2975 lifetime reviews. Includes reviews of Sullivan Buick GMC from DealerRater.com A dealership's rating is calculated by averaging scores from reviews received in the past 24 months.

Read reviews that mention:

  • 5.0 out of 5
    January 17, 2020

    The sullivan dealership is absolutely amazing. All the employees go above and beyond to get you what you need. Marco did a fantastic job finding me a car... that was both in my price range and comfortable for me and my little boy. Phillip did everything in his power to make sure that I got to bring it home today. Thank you all for the excellent service.

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    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
    0 people out of 0 found this review helpful. Did you?

    Worked with:
    Mike O'Connell

    Business Manager

    (5.0) 628 reviews

    Phillip Pilny

    Sales Manager

    (5.0) 208 reviews

    Marco Estrada

    Sales

    (5.0) 12 reviews

  • 5.0 out of 5
    January 17, 2020

    Cesar Martínez was very helpful and honest person to work with. In and out and took less than 45 minutes. I will definitely recomend Cesar and Sullivan... Buick GMC in the near future.

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    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
    0 people out of 0 found this review helpful. Did you?

    Worked with:
    Mike O'Connell

    Business Manager

    (5.0) 628 reviews

    Cesar Martinez

    Sales

    (5.0) 44 reviews

  • January 22, 2018

    I found a CPO vehicle on Cars.com, and reached out to Sullivan via email. I could not commit to showing up the next day to check it out, but Sullivan was... ready and expecting me when I did indeed show up the next day. No-pressure sale, they were thorough in evaluating my trade and gave me a fair price. Super pleased all the way around.

    5.0 out of 5
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    4.0 out of 5
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    5.0 out of 5
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    Does recommend this dealer
    Shopped for a used car
    Did make a purchase
    0 people out of 0 found this review helpful. Did you?
    Dealer Response

    We love hearing from happy customers. We know that buying a car is an important decision and it's awesome to know that our team assisted you in such a...n efficient manner. Please feel free to contact us if you have any questions on your new vehicle. Sincerely, Dan Szwec, General Sales Manager

  • 5.0 out of 5
    January 16, 2020

    I have purchased many cars. I am a tough buyer and put salesmen thru the test. I will say I had one of the nicest experiences purchasing my new car. Chris... was helpful, not pushy and just a nice salesman to work with I highly recommend Sullivan Buick and I will defiantly come back to them to buy a car. Mike in finance was a funny friendly guy. Thanks guys!

    5.0 out of 5
    Customer Service
    5.0 out of 5
    Quality of Repair
    5.0 out of 5
    Friendliness
    5.0 out of 5
    Pricing
    Does recommend this dealer
    Shopped for a new car
    Did not make a purchase
    0 people out of 0 found this review helpful. Did you?

    Worked with:
    Mike O'Connell

    Business Manager

    (5.0) 628 reviews

    Chris Lahey

    Certified Sales Consultant

    (5.0) 175 reviews

  • 5.0 out of 5
    January 15, 2020

    Great Service. Ceaser Martinez was Amazing went above and Beyond to help us I cannot say enough Great things about Ceaser. Thank You For all your Help.

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    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
    0 people out of 0 found this review helpful. Did you?

    Worked with:
    Cesar Martinez

    Sales

    (5.0) 44 reviews

    Phillip Pilny

    Sales Manager

    (5.0) 208 reviews

    Samantha Edwards

    Internet Sales Manager

    (4.8) 38 reviews

  • 5.0 out of 5
    January 14, 2020

    I was very satisfied with my experience at Sullivan Buick GMC . Mr. Cesar Martinez, my dealer, was very helpful especially with answering my questions.... Everyone was very courteous.

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    3.0 out of 5
    Pricing
    Does recommend this dealer
    Shopped for a new car
    Did not make a purchase
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    Worked with:
    Cesar Martinez

    Sales

    (5.0) 44 reviews

  • 5.0 out of 5
    January 14, 2020

    I enjoyed my experience working with Mike and Gabe. Mike kept me informed about the status of the process and the car was ready at the time he said. ... The final transaction was smooth and did not take much time.

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    5.0 out of 5
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    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
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    Worked with:
    Gabriel Szwec

    Certified Sales Consultant

    (4.9) 253 reviews

    Mike Ayoub

    Certified Sales Consultant

    (5.0) 283 reviews

  • 5.0 out of 5
    January 14, 2020

    Great help from everyone there Cesar was great help in finding the right car for us. We found a 2012 Buick that seems to be a great find

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    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
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    Worked with:
    Mike O'Connell

    Business Manager

    (5.0) 628 reviews

    Cesar Martinez

    Sales

    (5.0) 44 reviews

  • 5.0 out of 5
    January 13, 2020

    Marco was amazing and very supportive while I was shopping for a new car! Dealership was very friendly too. Thank you! I love my new Buick Encore!... Varsha

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    Does recommend this dealer
    Shopped for a new car
    Did not make a purchase
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    Worked with:
    Mike O'Connell

    Business Manager

    (5.0) 628 reviews

    Marco Estrada

    Sales

    (5.0) 12 reviews

  • 5.0 out of 5
    January 13, 2020

    He was very helpful we was trying to buy something before our lease expires and he tries to make sure find us a car nice price and we like it

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    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
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    Worked with:
    Phillip Pilny

    Sales Manager

    (5.0) 208 reviews

    Shane Hernandez-Garica

    Sales Consultant

    (5.0) 19 reviews

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