What are the opening hours?

Monday 8am - 6:30pm Tuesday 8am - 6:30pm Wednesday 8am - 6:30pm Thursday 8am - 6:30pm Friday 8am - 6pm Saturday 9am - 5pm Sunday 10:30am - 4pm

Holloway Automotive Group

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United States
Portsmouth, NH
Holloway Automotive Group

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Holloway Automotive has been a family owned dealership and service center since 1983!

We specialize in New GMC and Cadillac sales and service as well as wide selection of quality pre owned vehicles.

11/01/2026

Long-lasting performance for your Cadillac starts with the right parts.

11/01/2026

Safety, convenience and Black Friday savings. Get 50% off an eligible OnStar plan, plus additional savings when you pay with GM Rewards points.

Shop Now

11/01/2026

Keep your GMC on the move with savings on the parts that help keep you confident.

10/29/2026

Super Cruise and Adaptive Cruise Control highlight this 2026 GMC Sierra 1500 Denali Ultimate for $71,264. Stop by Holloway GMC Cadillac to see it for yourself. Contact our team to learn more. 📱(603) 956-9321

10/29/2026

2025 Lexus TX 350

Research the 2025 Lexus TX 350 in Portsmouth, NH at Holloway GMC. View pictures, specs, and pricing on our huge selection of vehicles. 5TDAAAB65SS041183

10/29/2026

From Portsmouth, to neighboring Maine communities, your next chapter starts with the right vehicle. 🚗 Explore new GMC trucks and SUVs at Holloway GMC Cadillac, a five-time CARFAX Top-Rated Dealer. Our sales team can help you compare vehicles, while our finance team walks you through buying and leasing options.

Find your next vehicle today!

10/28/2026

You take off-roading seriously. So do we. The Sierra 1500 AT4.

10/27/2026

2024 Buick Envista Sport Touring

Research the 2024 Buick Envista Sport Touring in Portsmouth, NH at Holloway GMC. View pictures, specs, and pricing on our huge selection of vehicles. KL47LBE26RB047380

10/27/2026

From your next oil change to a closer look at your brakes, give your GMC the attention it deserves. 🔧 Visit Holloway GMC Cadillac in Portsmouth, for GMC Certified Service, GM Genuine Parts and ACDelco parts.

Schedule your next service visit today!

10/24/2026

Meet this 2026 GMC Sierra 2500 HD Denali, priced at $84,071 at Holloway GMC Cadillac in South Portsmouth, NH. A heated steering wheel and Adaptive Cruise Control are two features worth a closer look in this quick video. Get acquainted with this truck, then stop by and see it for yourself today. Contact our team to learn more. 📱(603) 956-9321

Address

500 US Highway 1 Bypass South
Portsmouth, NH
03801

Opening Hours

Monday	8am - 6:30pm
Tuesday	8am - 6:30pm
Wednesday	8am - 6:30pm
Thursday	8am - 6:30pm
Friday	8am - 6pm
Saturday	9am - 5pm
Sunday	10:30am - 4pm

Telephone

+16034361700

Website

http://www.hollowaygm.com/

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