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Performance Buick GMC

Cedar Knolls, NJ

4.8
2,037 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 2,037 reviews

July 30, 2025

Had a great initial experience but prior to leaving as the dealer put my temp plates on, deep scratches were noticed on a brand new vehicle. It appeared they had been tried to be covered up already, it wo More

by KJENSEN1980
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Gerardo was my salesman and Eddie was amazing in service but the lady who took pics and report, didn’t get her name, was useless
July 29, 2025

Gave a great deal and the salesman, manager, and finance guy all are great when it comes to the sale and collecting money but then lied about how long it would take to put the factory items. They claimed an More

by _
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
No
Employees Worked With
Chris S
July 29, 2025

John was fantastic with the service of my gmc pickup. He went above and beyond to take care of the situation. More

by zoelectricllc
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
John in service department.
Aug 02, 2025 -

Performance Buick GMC responded

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

July 29, 2025

Wilberto Lopez , sales rep was outstanding. I would 100% buy another vehicle from him personally again More

by ronicart1
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Wilberto Lopez
Aug 02, 2025 -

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 Wilberto. We appreciate your business and look forward to seeing you again in the future. Until then, drive safely!

July 28, 2025

John was very helpful getting me the parts I needed quickly and at a good price. More

by johnd11
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
John Barker
Jul 28, 2025 -

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!

July 28, 2025

Came in with an issue and it was quickly taken care, thank you John for you great service! More

by ANNABELLE.PALAGYI
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Dwight Phillips
5.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : John
Jul 28, 2025 -

Performance Buick GMC responded

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

July 27, 2025

Service manager had to take over my service because the service advisor was incompetent. Made a scheduled appointment online for Monday. Dropped vehicle off Sunday afternoon in night drop. I was contacted More

by AMSCHMIDT600
Service Price Transparency
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Michael Thorn
5.0
This rating includes all reviews, with more weight given to recent reviews.
July 26, 2025

John worked to make sure that I knew everything about why certain work was proposed, and recommended upgrading to GM (vs AC Delco), presenting and comparing pricing of both. More

by NEAL.ASHINSKY
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
John Barker
Jul 27, 2025 -

Performance Buick GMC responded

Thank you, Neal, 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!

July 26, 2025

Excellent service from John getting my vehicle ready on time for my vacation… staff and scheduling was also great More

by JALBA418
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Dwight Phillips
1.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : John in service
Jul 27, 2025 -

Performance Buick GMC responded

Thank you 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!

July 25, 2025

Went to pick up my plates. Wilberto, the salesman promptly met me and installed the plates himself. I'm very satisfied with the way Wilberto treated me. Thank you!! More

by Ivmart54
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Wilberto Lopez, sales person
Jul 27, 2025 -

Performance Buick GMC responded

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

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