O'Neil GMC

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O'Neil GMC O’Neil GMC is a premier provider of GMC and GM Certified Pre-owned automobiles. CUSTOMER SERVICE- Our customers are the reason we exist.

Through a partnership with quality conscious clients, we guarantee complete satisfaction with our products and services. Our commitment to quality is reflected in our concern and response to customer needs. EMPLOYEES- O’Neil’s employees are the backbone of the company and the foundation upon which our success is built. O’Neil’s growth is a direct result of the performance and professionalism of every individual. We are committed to employee development well being and growth. Employees are our most valued assets!

🔥 2022 Subaru Outback Limited — $309/MONTH! 🔥Loaded with AWD, premium comfort, and tons of technology, this Outback Limi...
10/08/2026

🔥 2022 Subaru Outback Limited — $309/MONTH! 🔥

Loaded with AWD, premium comfort, and tons of technology, this Outback Limited is the kind of SUV you’ll want to see in person.

$309/month for 84 months with $5,000 cash or trade — qualified buyers.

PLUS, you’ll get a FREE oil change at O’Neil GMC with your purchase!

👉 Check it out here: https://www.oneilgmc.com/used-Warminster-2022-Subaru-Outback-Limited-4S4BTANC3N3262704

📍 O’Neil GMC | Warminster, PA
📞 (215) 672-0900

Come take it for a drive — this one is worth seeing!

Because extreme is your every day. Experience the peak of off-roading in the Canyon AT4X.
10/07/2026

Because extreme is your every day. Experience the peak of off-roading in the Canyon AT4X.

TERRAIN TUESDAY🎃 Trick or treat yourself to Halloween savings!Make a statement in this 2027 GMC Terrain Denali in stunni...
10/06/2026

TERRAIN TUESDAY

🎃 Trick or treat yourself to Halloween savings!

Make a statement in this 2027 GMC Terrain Denali in stunning volcanic red — and save $2,500 this month!

Come see it for yourself and take advantage of our October savings at O’Neil GMC.

📍 869 W. Street Road, Warminster, PA 18974
📞 (215) 672-0900
🌐 https://www.oneilgmc.com/new-Warminster-2027-GMC-Terrain-Denali-3GKALZEG6VL204032

Experience OnStar One and get the best of OnStar – the best safety, connectivity and convenience included for 12 months.
10/05/2026

Experience OnStar One and get the best of OnStar – the best safety, connectivity and convenience included for 12 months.

Learn More

Get your cheer 📣 in gear ⚙️
10/03/2026

Get your cheer 📣 in gear ⚙️

Congratulations Gina! We hope you are enjoying your new 2026 GMC Yukon XL Denali! We want to wish you the very best of l...
10/03/2026

Congratulations Gina! We hope you are enjoying your new 2026 GMC Yukon XL Denali! We want to wish you the very best of luck with your new ride.

Sales is open today until 5:00 PM at 869 W Street Road, Warminster PA. Let us help you find your new vehicle!
https://www.oneilgmc.com/

Be ready for every open road. Buy 3 tires and get a fourth for just $1.
10/02/2026

Be ready for every open road. Buy 3 tires and get a fourth for just $1.

Upgrade your GMC for fall adventure with 20% off¹ Floor and Interior Protection accessories online.
10/01/2026

Upgrade your GMC for fall adventure with 20% off¹ Floor and Interior Protection accessories online.

Address

869 W Street Road
Warminster, PA
18974

Opening Hours

Monday 9am - 8pm
Tuesday 9am - 8pm
Wednesday 9am - 8pm
Thursday 9am - 8pm
Friday 9am - 8pm
Saturday 9am - 5pm

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