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

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Customer reviews

4.7 / 5

Dealer Rating

Our average rating from our customers is

4.7 / 5

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  • Sierra 2500HD Customer reviews

    We didn't come for service, we came in to buy a new vehicle, which was as 2015 GMC 2500 truck. We were welcomed at the dealership by a sales men named Greg Guerra. He showed us the inventory and we ex

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    2015 GMC Sierra 2500HD
  • Envoy Customer reviews

    service dept. is a well oiled machine that operates at a fast pace. keep up the good work

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  • SRX Customer reviews

    I brought the leased vehicle 2012/ srx for warrenty service. Jesse & the service tech's were awsome in all area's-honesty,helpfullness,knowledge,politeness & top quality performed.I was scheduled,work

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    2012 Cadillac SRX
  • G5 Customer reviews

    I have a pontiac G5 w 170 000 miles with only minor repairs so far.Holloway maintenance will allow me to keep this car for 200 000 maybe more

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  • Terrain Customer reviews

    took car in at time scheduled,did everything that was on listeveryone was polite. does not get any better then thisthat's why I trade there

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    2014 GMC Terrain
  • XTS Customer reviews

    I brought in my 2013 XTS for LOF and routine maintenance. The service was outstanding. I was informed of everything they were going to do and did The work is all covered by warrenty. There was a re

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    2013 Cadillac XTS
  • Sierra 1500 Customer reviews

    2015 Sierra Denali, first service, great place to do business.

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    2015 GMC Sierra 1500
  • Verano Customer reviews

    My 2013 Verano was due for routine oil change, etc. Everyone was helpful and efficient and I was on my way to work within one hour.

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    2013 Buick Verano
  • Canyon Customer reviews

    Costomer service is job one 100 percent great total commitmentnce to performance to vehicle faults and to repair in a timely manner p. Proper parts and knoledgablE techs ions performance and to servic

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    2008 GMC Canyon
  • Enclave Customer reviews

    Work done on time

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    2009 Buick Enclave
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Holloway Buick GMC Cadillac - New Hampshire GM Dealer in Portsmouth


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.
Authorized Pontiac Service Provider

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. We also offer loaner cars and shuttle service to all our servicing customers. 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.