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Performance Buick GMC

Cedar Knolls, NJ

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 13, 2026

This dealership runs like a well oiled machine. Their communication is unbelievable right down to sending reminders for your appointments. Service staff is composed of a great bunch of guys. More

by Autonut17
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
John Barker
Jan 14, 2026 -

Performance Buick GMC responded

We are pleased to hear that our service team was effective and efficient. Thank you for taking the time to write us a good review. We appreciate your business and wish you many safe miles!

January 13, 2026

Very satisfied, everyone is friendly. Everything was taken care of rather quickly appreciate the ride to my house and car being completed quickly. More

by karenbsalicrup
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.
Jan 14, 2026 -

Performance Buick GMC responded

We are pleased to hear that our service team was effective and efficient. Thank you for taking the time to write us a good review. We appreciate your business and wish you many safe miles!

January 13, 2026

Very happy with my truck , the salesperson was great, will definitely come back for another vehicle More

by DJAGS30
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Gerardo
Jan 14, 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 look forward to seeing you again in the future. Until then, drive safely!

January 12, 2026

Team was responsive and fast and transparent. All you can ask for in my view. More

by BDONOHOE
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Norman
Jan 13, 2026 -

Performance Buick GMC responded

We are pleased to hear that our service team was effective and efficient. Thank you for taking the time to write us a good review. We appreciate your business and wish you many safe miles!

January 12, 2026

Always have my truck ready when I request preform work I request and very professional service More

by MSSTIVALE
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.
Jan 13, 2026 -

Performance Buick GMC responded

We are pleased to hear that our service team was effective and efficient. Thank you for taking the time to write us a good review. We appreciate your business and wish you many safe miles!

January 12, 2026

Excellent Service Department. This is what made me buy another car at this dealership. They always keep you abreast of your car. More

by Bbgirl
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
My service advisor was John.
Jan 13, 2026 -

Performance Buick GMC responded

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

January 12, 2026

Had a great experience Chris was amazing! Everything was made simple zero hassles and very quick in and out with a new vehicle lease! No xx highly recommend More

by JIM@MOSSACRES.COM
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Chris
Jan 13, 2026 -

Performance Buick GMC responded

Thank you, Jim, for the 5-star review and for your willingness to recommend us to others. It is our pleasure to hear about your positive experience with Chris. We appreciate your business and wish you many safe miles in your new GMC!

January 11, 2026

John explained the service required for our vehicle in a comprehensive manner and was in consistent communication with us. More

by EDANGELO33
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
John in Service
Jan 13, 2026 -

Performance Buick GMC responded

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

January 11, 2026

Professional, punctual and courteous service from online booking to drop off and pick up of vehicle More

by JOHNHOCKMAN
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 : Eddie and all members of service team
Jan 13, 2026 -

Performance Buick GMC responded

We are pleased to hear that our service team was effective and efficient. Thank you for taking the time to write us a good review. We appreciate your business and wish you many safe miles!

January 10, 2026

Eddie was great great great great great great great great great great great great great More

by PMCNULTY2
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Brian Gauthier
5.0
This rating includes all reviews, with more weight given to recent reviews.
Michael Thorn
5.0
This rating includes all reviews, with more weight given to recent reviews.
Chris Wells
5.0
This rating includes all reviews, with more weight given to recent reviews.
Rodrigo Diaz-Parra
5.0
This rating includes all reviews, with more weight given to recent reviews.
Jalex Green
5.0
This rating includes all reviews, with more weight given to recent reviews.
Anthony Ciarlo
5.0
This rating includes all reviews, with more weight given to recent reviews.
Leonard Clark
5.0
This rating includes all reviews, with more weight given to recent reviews.
Mark Bougas
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 : Eddie
Jan 13, 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 Eddie. We are grateful for your business and hope to see you again in the future. Until then, drive safely!

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