Dealership

O'Neil Buick GMC

Warminster, PA

About

O’Neil Buick GMC is a premier provider of Buick, GMC and GM Certified Pre-owned automobiles. We are dedicated and committed to the highest standards of quality and integrity of our products and services. O'Neil Buick GMC proudly serves Warminster & the Philadelphia area. The O'Neil family has been in the auto business for over 50 years.

Services

Delivery providedFree car wash (new)Free car wash (used)Free oil change (new)Free oil change (used)Free maintenance (new)

Inventory

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2023 GMC Sierra 1500 SLT — Pickup Truck — 22,579 mi — Warminster, PA

USED · Pickup Truck

2023 GMC Sierra 1500

SLT · 4WD · Automatic

22,579 miGas17 mpg Pacific Blue Metallic

$52,705

Warminster, PA

2021 GMC Sierra 1500 SLT — Pickup Truck — 44,720 mi — Warminster, PA

USED · Pickup Truck

2021 GMC Sierra 1500

SLT · 4WD · Automatic

44,720 miGas16 mpg Onyx Black

$42,676

Warminster, PA

2021 GMC Sierra 2500HD Denali — Pickup Truck — 77,647 mi — Warminster, PA

USED · Pickup Truck

2021 GMC Sierra 2500HD

Denali · 4WD · Automatic

77,647 miGas Cayenne Red Tintcoat

$52,335

Warminster, PA

2021 GMC Yukon SLT — SUV — 52,107 mi — Warminster, PA

USED · SUV

2021 GMC Yukon

SLT · 4WD · Automatic

52,107 miGas18 mpg Dark Sky Metallic

$52,997

Warminster, PA

2021 GMC Sierra 2500HD Denali — Pickup Truck — 35,937 mi — Warminster, PA

USED · Pickup Truck

2021 GMC Sierra 2500HD

Denali · 4WD · Automatic

35,937 miDiesel Pacific Blue Metallic

$59,411

Warminster, PA

2018 Toyota Tacoma TRD Sport — Pickup Truck — 72,123 mi — Warminster, PA

USED · Pickup Truck

2018 Toyota Tacoma

TRD Sport · 4WD · Manual

72,123 miGas18 mpg Unknown

$28,575

Warminster, PA

2024 GMC Sierra 1500 SLE — Pickup Truck — 25,329 mi — Warminster, PA

USED · Pickup Truck

2024 GMC Sierra 1500

SLE · 4WD · Automatic

25,329 miGas18 mpg Thunderstorm Gray

$43,173

Warminster, PA

2020 GMC Acadia SLT — SUV — 59,690 mi — Warminster, PA

USED · SUV

2020 GMC Acadia

SLT · AWD · Automatic

59,690 miGas24 mpg Quicksilver Metallic

$24,955

Warminster, PA

2018 Ram 1500 Rebel — Pickup Truck — 84,528 mi — Warminster, PA

USED · Pickup Truck

2018 Ram 1500

Rebel · 4WD · Automatic

84,528 miGas19 mpg Bright Silver Metallic Clearcoat

$27,945

Warminster, PA

2019 Chevrolet Trax LS — SUV — 60,512 mi — Warminster, PA

USED · SUV

2019 Chevrolet Trax

LS · AWD · Automatic

60,512 miGas26 mpg Summit White

$13,525

Warminster, PA

2024 GMC Yukon Denali Ultimate — SUV — 6,188 mi — Warminster, PA

USED · SUV

2024 GMC Yukon

Denali Ultimate · 4WD · Automatic

6,188 miGas16 mpg White Frost Tricoat

$93,988

Warminster, PA

2021 Chevrolet Malibu LT — Sedan — 81,142 mi — Warminster, PA

USED · Sedan

2021 Chevrolet Malibu

LT · FWD · Automatic

81,142 miGas32 mpg Silver Ice Metallic

$14,979

Warminster, PA