New 888-306-0883 Dealer Website
Used 877-229-8264 Email Dealer
Service 866-968-7341

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Sales 9:00 AM - 8:00 PM
Service 7:30 AM - 5:00 PM
Mon 9:00 AM - 8:00 PM
Tue 9:00 AM - 8:00 PM
Wed 9:00 AM - 8:00 PM
Thu 9:00 AM - 8:00 PM
Fri 9:00 AM - 6:00 PM
Sat 9:00 AM - 5:00 PM
Sun 11:00 AM - 4:00 PM
Mon 7:30 AM - 5:00 PM
Tue 7:30 AM - 5:00 PM
Wed 7:30 AM - 5:00 PM
Thu 7:30 AM - 5:00 PM
Fri 7:30 AM - 5:00 PM
Sat 7:00 AM - 2:00 PM
Sun Closed
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Reviews

4.8
Average based on 53 reviews.
  • Great Service

    Everyone there was extremely helpful with understanding the leasing program and how to use all the features on the car. I apapreciated all their ...


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    Everyone there was extremely helpful with understanding the leasing program and how to use all the features on the car. I apapreciated all their help.

    Does recommend this dealer
    Shopped for a new car
    Did make a purchase
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  • Do I Choose Riverhead GMC?

    Hello All- I live in Riverhead and considering a GMC for my next car purchase. I have visited the dealership twice and looked at a few SUV's I wa...


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    Hello All- I live in Riverhead and considering a GMC for my next car purchase. I have visited the dealership twice and looked at a few SUV's I was interested in. I didn't work with a sales rep, I just walked around the parking lot on my own time. From what I can see here, it makes a lot of sense to buy my car there, considering almost every person here had a great experience. My question to the forum is, has anyone dealt with a situation in which you traded in your car at GMC Rvrhd. but still owed money on your loan? i.e - negative equity? if so, how was your experience with Riverhead GMC and the sales rep you dealt with? If you can reply back, I'd really appreciate it. Details on the process would be helpful too. Thanks !!! - J

    Does recommend this dealer
    Shopped for a used car
    Did not make a purchase
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  • called me when an offer we wanted was available

    we looked at buying a car but gm did not have the financing I wanted at the time so we put it off and then Paul our salesman contacted me when the...


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    we looked at buying a car but gm did not have the financing I wanted at the time so we put it off and then Paul our salesman contacted me when the 0 % was offered again and we went and bought our new car. I he had not called me we might not of bought the car at this time. George

    Does recommend this dealer
    Shopped for a new car
    Did make a purchase
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Service & Repair

About Our Dealership

Dealer on Cars.com since January 2013

Riverhead Buick GMC is your hometown Riverhead GM dealership. Our reputation is built on customer trust, and our dedication is to make sure your experience with us is not only comfortable, but satisfying, as well. Located at 1423 Rt 58, our Buick GMC dealership is proud to serve our customers with an extensive new and used Buick and GMC vehicle inventory. With so many new and used car dealers in the area, we know that it can be difficult to choose. So why do Buick and GMC drivers choose Riverhead Buick GMC in Long Island? From our friendly staff to our dealership amenities, we put the customer first!

"We put the customer first!"