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Performance Buick GMC

Cedar Knolls, NJ

Overview
Employees
Reviews
Vehicles
4.8
1,856 Reviews
Performance Buick GMC is your trusted Buick, GMC dealership in Cedar Knolls, NJ and the reason why our loyal customers from Morristown, Parsippany, and Randolph keep coming back. From the time you enter our showroom when you service with us, you can expect to be treated like family, each and every visit. We offer an extensive new and pre-owned inventory, as well as our competitive lease specials, finance options and expert auto service. We are dedicated to providing exceptional customer service to Hanover County and being an integral part of our Cedar Knolls, NJ community. We look forward to seeing you soon!
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1247 NJ-10

Cedar Knolls, NJ

07927

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Showing 1,856 reviews

January 30, 2026

Eddie was my services contact. He was extremely helpful and kept me updated throughout. Pleasure working with him. More

by paulbarrese
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Eddie
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you, Paul, for sharing your experience with us! We're thrilled to hear that Eddie provided you with such efficient and excellent service. We look forward to assisting you again in the future!

January 29, 2026

Outstanding service coordinated by John and Eddie. They always get it right for me. I wont let anyone else touch my truck... More

by jameshyman
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Michael Thorn
5.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : John & Eddie
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you, James, for the great review. It is our pleasure to hear about your positive experience with John, Eddie and our service team. We appreciate your business and look forward to seeing you again. Until then, drive safely!

January 29, 2026

Excellent service as usual. Bought the vehicle here and always return for al its needs More

by planebuyer
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Michael Thorn
5.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : Norman Hoyt
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you for taking the time to write us a great review. It is our pleasure to hear about your positive experience with our team. We appreciate your business and wish you many safe miles!

January 29, 2026

Awesome service and customer satisfaction. Great staff that deserve six stars. Will use them again More

by DAVEK19662000
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Michael Thorn
5.0
This rating includes all reviews, with more weight given to recent reviews.
Dwight Phillips
5.0
This rating includes all reviews, with more weight given to recent reviews.
Jacob Stevenson
5.0
This rating includes all reviews, with more weight given to recent reviews.
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you for your fantastic feedback! We take pride in delivering top-notch customer service, and it's wonderful to hear that you had such a positive experience at our location.

January 28, 2026

Brian was nice to work with and always had a smile. . Very knowledgeable. He advised of next steps through your the process. He took my text on his day off. He even said to call him for service a More

by roseann07
Recommend Dealer
No
Employees Worked With
Brian Gauthier
5.0
This rating includes all reviews, with more weight given to recent reviews.
Anthony Ciarlo
2.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : Brianna was nice and Kyle
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you, Roseann, for taking the time to provide us with feedback. We apologize for the inconvenience and what seems to have been a not-so-pleasant experience. We have reached out to management to notify them of your concerns to see how we can better our customer service for the future. Thank you for the opportunity to earn your business!

January 28, 2026

I would highly recommend Performance Buick GMC, John Barker was great and explained everything concisely. This was my first Performance Service Center experience and happy to say I will be continuing t More

by CHRISTOPHER.WIGGINS7
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Michael Thorn
5.0
This rating includes all reviews, with more weight given to recent reviews.
Dwight Phillips
5.0
This rating includes all reviews, with more weight given to recent reviews.
Jacob Stevenson
5.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : John Barker
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you for taking the time to write us a great review. It is our pleasure to hear about your positive experience with John. We are grateful for your business and hope to see you again in the future. Until then, drive safely!

January 28, 2026

I would recommend Performance Buick GMC as a preferred dealer. My rep Will was very accommodating and easy to work with. More

by Jbarretti0920
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Will Lopez
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Feb 11, 2026 -

Performance Buick GMC responded

Thank you for sharing your experience with us! We're thrilled to hear that Will provided you with such efficient and excellent service. We look forward to assisting you again in the future!

January 27, 2026

John Barker was very helpful and kept me informed at all times. The entire service appointment was less than one hour. I would return in the future because of the service John provided. More

by Jeff
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
John Barker
Report | Print
Feb 11, 2026 -

Performance Buick GMC responded

Thank you, Jeff, for the great review. It is our pleasure to hear about your positive experience with John and our service team. We appreciate your business and look forward to seeing you again. Until then, drive safely!

January 25, 2026

I’m very happy overall with my service call. They were able to get me in in less than 24 hours from when I called and performed very well throughout the process. More

by TMURRELLO
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Norm
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Jan 25, 2026 -

Performance Buick GMC responded

Thank you for letting us know that our service team is doing a great job. We appreciate your business and wish you many safe miles!

January 23, 2026

Eddie was very helpful and explained everything to me. Service was very fast and time was on schedule. More

by MMELLUSO
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Eddie
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Jan 23, 2026 -

Performance Buick GMC responded

Thank you for letting us know that Eddie and the rest of our service team are doing a great job. We appreciate your business and wish you many safe miles!

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