Contact Information

  • Sales:(877) 804-8421
  • Service:(866) 412-0695

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Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • Escalade Customer reviews

    Simply put, awesome as usual


    2015 Cadillac Escalade
  • Terrain Customer reviews

    I had a scheduled oil change. All went well. Friendly atmosphere with execllent worker interface. The fact that this is my second Terrain since 2011 tells it all about Holloway GMC.


    2014 GMC Terrain
  • Sierra 1500 Customer reviews

    This was my second service for the 2014 GMC Sierra......except forthe 5 recalls . All went well and I was back on the road in less than an hour .Great Service Dept . !


    2014 GMC Sierra 1500
  • SRX Customer reviews

    the staff is welcoming. Service is great...nice to get a washed vehicle at the end of service. It's actually a pleasure to have the car serviced.


    2013 Cadillac SRX
  • Grand Prix Customer reviews

    Thanks again for the great service experiance. As always the team at Holloway assisted us in everyway to make the day go smoothly. Thanks Deborah Deily


  • Acadia Customer reviews

    What thrilled me about this visit had nothing to do with the service I came in for. Thank you to the person who vacuumed up a rogue pile of chocolate protein shake that had gone rogue in my car. It wa


    2014 GMC Acadia
  • SRX Customer reviews

    Jesse & your service personnel are awsome! Providing loyalty, honesty, quality, quanity in record time!


    2012 Cadillac SRX
  • Sierra 2500HD Customer reviews

    Everything was done as requested very professional very good experience


    2015 GMC Sierra 2500HD
  • Verano Customer reviews

    Brought my 2012 Buick Verano in to have the rear view mirror replaced. It was completed when promised. Always get good service at Holloway's and a courtesy car, should I need one.Sincerely,Brenda Fran


    2012 Buick Verano
  • CTS Customer reviews

    Jesse is top notch



New Vehicles

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Holloway Buick GMC Cadillac - New Hampshire

Holloway Buick GMC Cadillac is your Portsmouth Buick GMC Cadillac dealer. Our location also allows us to effectively serve Rochester and Manchester Buick GMC Cadillac customers as well. We offer an amazing team of parts and servicing technicians that are here to serve the New Hampshire seacoast, including the north shore of Massachusetts, Southern Maine, Rochester and beyond. We also offer loaner cars and shuttle service to all our servicing customers.

New Hampshire Buick GMC Cadillac dealer in Portsmouth

Through our website, our New Hampshire Buick GMC Cadillac customers can view our new and used vehicles, schedule a service appointment, order parts and accessories, research financing, get a quick quote or view online specials and incentives. Just email or call us with any questions you may have.

At Holloway Buick GMC Cadillac in Portsmouth, we are a full service dealership offering sales assistance to all of New Hampshire, Massachusetts and Maine. Are you looking for a Rochester Buick GMC Cadillac dealership? Stop looking and make the drive to Holloway Buick GMC Cadillac. We offer an amazing inventory for our Buick, GMC and Cadillac customers to select from such as the Enclave, LaCrosse and Regal. GMC features the Acadia, Sierra, Yukon and more. Cadillac features the luxurious Escalade, SRX and CTS as well as a few other models. Are you looking for GMC trucks in Manchester? Perhaps you are looking for a used Buick in New Hampshire? Or, maybe you are looking for a Cadillac Escalade dealer in Portsmouth? If so, look no further than Holloway Buick GMC as we have a great selection of GMC trucks and pre-owned vehicles to choose from.

Buick Regal for our Portsmouth & Manchester, NH Buick customers in New Hampshire

Drive home in a new Buick Regal today from Holloway Buick GMC. Buick's Luxury Sport Sedan is designed and built to perform. The Regal Turbo ups the ante with turbocharged engine featuring direct cylinder fuel injection.

New GMC Sierra in New Hampshire

Holloway Buick GMC Cadillac has the truck that you're looking for in our new GMC Sierra models including the 1500, 2500HD and 3500HD. Be sure to ask us about our Denali and 1500 Hybrid and models as well.