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Performance Buick GMC

Cedar Knolls, NJ

4.8
1,997 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 1,997 reviews

May 24, 2026

Great experience with the service department at Performance GMC. The appointment was easy, the staff was professional and friendly, and my vehicle was completed on time. Highly recommend their serv More

by petemetri
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.
May 25, 2026 -

Performance Buick GMC responded

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

May 24, 2026

Everyone was very helpful. Our salesman Will was very well informed and never tried to rush us. I had found one of their listings online and traveled from out of state to see More

by cellremote
Sales Price Transparency
Purchase Time
Recommend Dealer
Yes
Employees Worked With
Will Lopez
May 25, 2026 -

Performance Buick GMC responded

Thank you for taking the time to let us know that we are doing a good job. We're grateful that you recognized the helpfulness of Will and the rest of our team. We work hard to give our customers a fantastic experience and are happy to see that we are making it happen! We wish you many safe journeys.

May 24, 2026

I been going to this dealer for years. I have ones that are closer to me but I prefer to go here. They always make sure I’m good and they are professional More

by SALDANGELO
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Steve and Eddie and Doug
May 25, 2026 -

Performance Buick GMC responded

We are so thankful to have you as a customer and for the great review! It is our pleasure to hear about your positive experiences with Steve, Eddie and Doug. Our team strives for excellence and we sincerely appreciate being your dealership of choice. Thank you!

May 23, 2026

Great attention and service with one the most efficient car deliveries I have experienced in my purchasing career. More

by PATGROB
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Anthony C, Anthony Perrone, Gerardo Giron
May 23, 2026 -

Performance Buick GMC responded

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

May 23, 2026

I called after my DEF tank went belly up. They were awesome getting my issues fixed. Truck is working perfectly now. More

by JASON.HAAG
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Eddie
May 23, 2026 -

Performance Buick GMC responded

Thank you, Jason, for sharing your experience with us! We're thrilled to hear that Eddie and the rest of our service team provided you with such efficient and effective service. We look forward to assisting you again in the future!

May 23, 2026

I brung my 2020 Buick Envision Essence in for a simple oil change. Junior checked me in swiftly and was courteous. Junior's smile is warm & inviting. I was in & out without issue. While I waited I made a More

by BIGNSEXXXC908
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Edward Robinson
May 23, 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 Junior and the rest of our service team. We are grateful for your business and hope to see you again in the future. Until then, drive safely!

May 21, 2026

Eddie knew I was on time crunch and made sure I got truck back with good timing. More

by jahrickforbes
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
William Sharpe
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.
May 22, 2026 -

Performance Buick GMC responded

Thank you 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!

May 21, 2026

I have been going to Performance Buick in Cedar Knolls sincethey took over from Norman Gale. Their service has been accurate, professional, friendly and informative. Yes, they may be more expensive than a More

by skyvisions
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 : Junior, Diana, mechanics, car washing team
May 22, 2026 -

Performance Buick GMC responded

We are so thankful to have you as a customer and for the great review! It is our pleasure to hear about your positive experiences with Junior, Michael and the rest of our team. We strive for excellence and we sincerely appreciate being your dealership of choice. Thank you!

May 22, 2026 -

skyvisions responded

You’re most welcome! My trip to get to Performance (over 50 miles round trip plus tolls) instead of closer to my home, shows how serious I am about quality workmanship.

May 20, 2026

It was a good and the fastest experience i had at a car dealership by far More

by gixxer_ra
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Gerardo Giron
May 20, 2026 -

Performance Buick GMC responded

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

May 18, 2026

Steven and team were a great help during my service appointment. Very helpful and accommodating with a smooth process. More

by ryanrainey81
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Steven
May 20, 2026 -

Performance Buick GMC responded

Thank you for taking the time to let us know that we are doing a good job. We're grateful that you recognized Steven’s helpfulness and commitment to excellence. We work hard to give our customers a fantastic experience and are happy to see that we are making it happen! We wish you many safe journeys.