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Performance Buick GMC
Cedar Knolls, NJ
1,779 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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Showing 1,779 reviews
October 25, 2025
Great buying experience. Was greeted like family when I walked in the very first time. Brian was tremendous to work with. Stayed an hour past his shift to make sure all of Was greeted like family when I walked in the very first time. Brian was tremendous to work with. Stayed an hour past his shift to make sure all of my questions were answered. More
by Arielle & Jason
Verified Customer
October 24, 2025
I recently had an excellent experience with the service department at Performance GMC! From the moment I arrived, the staff was friendly, professional, and efficient. They clearly explained the work needed department at Performance GMC! From the moment I arrived, the staff was friendly, professional, and efficient. They clearly explained the work needed on my vehicle, completed it sooner than expected, and kept me updated throughout the process. The quality of service and attention to detail were outstanding — my car runs better than ever! I highly recommend their service team to anyone looking for trustworthy and top-notch automotive care. More
by TEKNICALITY020
October 24, 2025
Wonderful experience overall, all of the staff are friendly, accommodating and patient. We came in looking to trade in vehicles and were satisfied with the hard work to keep us within our budget and g friendly, accommodating and patient. We came in looking to trade in vehicles and were satisfied with the hard work to keep us within our budget and getting into a vehicle we liked. More
by nicholemfigueroa
Employees Worked With
October 21, 2025
Quick service, quality service, and friendly staff. Would come back again! This is my second time getting an oil change and will come back. Would come back again! This is my second time getting an oil change and will come back. More
by ERINMAGALHAES
October 21, 2025
Great experience from beginning to the end. Everybody is very friendly. Highly recommend to buy your GMC here. Everybody is very friendly. Highly recommend to buy your GMC here. More
by Yana
October 21, 2025
When I go in for service I need to know 3 things, what are we going to get done, how long will it take and what is it going to cost. John did a great job covering all 3. are we going to get done, how long will it take and what is it going to cost. John did a great job covering all 3. More
by JBROWER1
Employees Worked With
John Barker
