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Performance Buick GMC
Cedar Knolls, NJ
1,849 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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This rating includes all dealership reviews, with more weight given to recent reviews.
Sales Price Transparency
Service Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Workmanship
Service Time
Service Communication
Hours
Sales/Showroom
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 8:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 8:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 6:00 PM
Sunday Closed
Service
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 8:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 8:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 6:00 PM
Sunday Closed
Parts
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 8:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 8:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 6:00 PM
Sunday Closed
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Verified Customer
February 04, 2026
Entire experience from scheduling service to completion was handled professionally,will definitely continue using this dealership for all future needs. was handled professionally,will definitely continue using this dealership for all future needs. More
by jns1207
Employees Worked With
February 04, 2026
Got the part in one day and was able to fix the issue promptly. Great customer service. Got calls and texts to inform me of status and pick up time. promptly. Great customer service. Got calls and texts to inform me of status and pick up time. More
by kfischer10
Employees Worked With
John service advisor cedar knolls
February 02, 2026
I dropped my car off Friday for service of my brakes. By the time I got the real number for the brake job I had to leave the car overnight. Ed, told me on Friday to come back Saturday morning at 10:30 to By the time I got the real number for the brake job I had to leave the car overnight. Ed, told me on Friday to come back Saturday morning at 10:30 to pick up my car. I finally picked up the car after 1PM. I was very late to pick up my daughter. More
by TOM@SPHERECONSTRUCTIONCORP.COM
Employees Worked With
Edgar
February 02, 2026
John was very helpful with scheduling the maintenance of my vehicle. He listened to my concerns and helped with the best course of action. He has helped me many times in the past and I will continue to work my vehicle. He listened to my concerns and helped with the best course of action. He has helped me many times in the past and I will continue to work with him in the future! More
by ALLISON MINGLE
Employees Worked With
John Barker
February 02, 2026
The salesman was friendly, and the maintenance service was also satisfactory. It's excellent! God job was also satisfactory. It's excellent! God job More
by SIMJW1108
January 31, 2026
Professional and friendly service. I was helped by Eddie and he made the process easy. Waiting room was clean and comfortable as well. I was helped by Eddie and he made the process easy. Waiting room was clean and comfortable as well. More
by PlsDontSellData
Employees Worked With
Edgar Pierre
