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Performance Buick GMC

Cedar Knolls, NJ

4.8
1,965 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 1,965 reviews

May 07, 2026

The entire service department is extremely welcoming and helpful I couldn't ask for better treatment. More

by BRIANDEJESUS50
Service Price Transparency
Workmanship
Service Time
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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 : Steven
May 06, 2026

I would like to say that junior over at GMC in Cedar Knolls did what he said he was gonna do and kept me posted every step of the way More

by CARMENTOZ
Service Price Transparency
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Recommend Dealer
Yes
Employees Worked With
Peggy Sensale
4.0
This rating includes all reviews, with more weight given to recent reviews.
May 06, 2026

Had oil change and some recalls & repairs done. Eddie was pleasant to work with. Would return again More

by PELUSO
Service Price Transparency
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Recommend Dealer
Yes
Employees Worked With
Eddie
May 06, 2026

Junior was excellent taking care and pride in servicing my 1500 Denali pickup. It came back serviced and washed beautifully. I highly recommend the service from appointment to completion. Thx much More

by woodruffconstructioncoco@gmail.com
Service Price Transparency
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Service Time
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Recommend Dealer
Yes
Employees Worked With
Junior
May 05, 2026

Unwilling to honor warranty and fix faulty transmission. Kept work vehicle for 2 weeks and then said GM won’t warranty. Bought another dealership and they are doing the right thing to resolve the issue. Tot More

by INFO@RISSLANDDOOR.NET
Service Price Transparency
Workmanship
Service Time
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Recommend Dealer
No
Employees Worked With
Michael Thorn
1.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : Eddie Pierre
May 04, 2026

Both Steve Wilson and Edgard Pierre were great service providers and the shop has been taking care of me for years More

by jtr803
Service Price Transparency
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Service Time
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Recommend Dealer
Yes
Employees Worked With
Steve Wilson, Edgard Pierre
May 04, 2026

Both Steve Wilson and Edgard Pierre were great service providers and the shop has been taking care of me for years More

by jtr803
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Steve Wilson, Edgard Pierre
May 03, 2026

Very professional and great service. Made purchase of new GMC very easy and pleasant experience. Appreciated the level of service and attention. More

by kgaebele
Sales Price Transparency
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Recommend Dealer
Yes
Employees Worked With
Christopher Salko
May 03, 2026

The service was very good, and staff are polite. Overall good experience at the dealership More

by ADOLFO.CHEONG
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 02, 2026

Thank you Anthony and Steven! !! Great experience from start to finish. I love my car :) More

by flamanna79
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Anthony LaManna, Steven Smallstey, Kyle B
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