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23 listings
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULE73SF346444
    Stock: G12889
    Listed since: 07-24-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Denali in Summit White features:O'Neil Buick...

    Features and Specs:

    Listing Information:

    VIN: 1GT4URE74SF302097
    Stock: G12806
    Listed since: 05-26-2025

  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features: Recent Arrival!O'...

    Features and Specs:

    Listing Information:

    VIN: 1GT3ULE75SF341810
    Stock: G12882
    Listed since: 08-15-2025

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  • New Listing
    Stock photo**
    • Exterior color: Cardinal RedCardinal Red
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    • USB Inputs
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Cardinal Red 2025 GMC Sierra 2500HD Pro RWD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Pro in Cardinal Red features:...

    Features and Specs:

    Listing Information:

    VIN: 1GT4HLEY4SF353190
    Stock: G12905
    Listed since: 08-12-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT5ULE73SF332662
    Stock: G12867
    Listed since: 06-25-2025

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Atmosphere/Brownstone premium leatherAtmosphere/Brownstone premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Onyx Black 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Onyx Black features...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY0SF154197
    Stock: G12633
    Listed since: 12-31-2024

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Onyx Black 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Onyx Black features...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY2SF285552
    Stock: G12766
    Listed since: 07-07-2025

  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULE70SF351679
    Stock: G12899
    Listed since: 08-07-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Stock photo**
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Pro in Summit White features:...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULEY7SF358170
    Stock: G12921
    Listed since: 08-07-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black premium leatherJet Black premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Sterling Metallic 2025 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali in Sterling Met...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UREY8SF297740
    Stock: G12793
    Listed since: 05-26-2025

  • Stock photo**
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Onyx Black 2025 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali Ultimate in O...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY3SF353295
    Stock: G12916
    Listed since: 07-28-2025

  • Stock photo**
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black clothJet Black cloth
    • 8'2” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Sterling Metallic 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Sterling Metallic features:O'Neil B...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULE73SF358111
    Stock: G12918
    Listed since: 08-07-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black w/Kalahari Accents leatherJet Black w/Kalahari Accents leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD AT4 in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UPE71SF361595
    Stock: G12924
    Listed since: 08-02-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Sterling Metallic 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Sterling Metallic features:O'Neil B...

    Features and Specs:

    Listing Information:

    VIN: 1GT4ULE77SF351730
    Stock: G12922
    Listed since: 08-07-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali Ultimate in...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY9SF316736
    Stock: G12834
    Listed since: 06-13-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Summit White 2025 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD Pro in Summit White features:O'Neil Buick GMC i...

    Features and Specs:

    Listing Information:

    VIN: 1GT5ULE73SF301881
    Stock: G12805
    Listed since: 06-05-2025

  • Advertisement

    4 Offers Nearby

    2025 GMC Sierra 2500HD
    $46,300
    starting MSRP
    • 6 Colors
    • 2 Trims
    • 10 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Jet Black leatherJet Black leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Onyx Black 2025 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD SLT in Onyx Black features:O'Neil Buick GMC in Wa...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UNE7XSF296878
    Stock: G12790
    Listed since: 05-24-2025

    • Exterior color: Onyx BlackOnyx Black
    • Interior color: Alpine Umber premium leatherAlpine Umber premium leather
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Onyx Black 2025 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2025 GMC Sierra 2500HD Denali Ultimate in O...

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY5SF342296
    Stock: G12887
    Listed since: 07-14-2025

  • New Listing
    Stock photo**
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: Jet Black clothJet Black cloth
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)5 out of 5 stars(1)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Sterling Metallic 2025 GMC Sierra 2500HD SLE 4WD 10-Speed Automatic 6.6L V8This 2025 GMC Sierra 2500HD SLE in Sterling Metallic features: Recent Arr...

    Features and Specs:

    Listing Information:

    VIN: 1GT5UME7XSF347102
    Stock: G12944
    Listed since: 08-26-2025

    • 5,453 miles
    • No accidents, personal use only
    • 6'10” bed, 6.6l, 8cyl
    • O'Neil GMC (16 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Warminster, PA / 16 miles away from Mount Laurel, NJ

    Recent Arrival! This 2025 GMC Sierra 2500HD Denali Ultimate in Summit White features: Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD Clean CARFAX....

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT4UXEY5SF185305
    Stock: 99-9670
    Certified Pre-Owned: No
    Listed since: 08-13-2025

    • 5,453 miles
    • No accidents, 1 owner, personal use only
    • 8'2” bed, 6.6l, 8cyl
    • Faulkner Buick GMC (13 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Trevose, PA / 13 miles away from Mount Laurel, NJ

    2025 GMC Sierra 2500HD SLT Onyx Black GMC Certified Pre-Owned Certified, 10-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GT4UNE78SF191126
    Stock: SF191126A
    Certified Pre-Owned: Yes
    Listed since: 06-26-2025

Showing 1 - 21 out of 23 listings
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