1
/
50
2026 GMC Sierra 3500 HD
1
/
50
2026 GMC Sierra 3500 HD Denali
In Stock
-
$4,000 SAVINGS$90,710 Internet Price
- MSRP: $94,710
-
- -$3,500
- -$500
- Internet Price: $90,710
-
- Add. Offers you may Qualify For:
- -$500
-
*Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.
-
$4,000 SAVINGS$90,710 Internet Price
- MSRP: $94,710
-
- -$3,500
- -$500
- Internet Price: $90,710
-
- Add. Offers you may Qualify For:
- -$500
-
*Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.
$1,147
/month
6.9%
APR
84
months
- MSRP $94,710
- Documentation Fee $477
- Starting Price $94,710
- Down Payment $18,942
*Excludes tax, title & fees
Disclaimers
All prices exclude estimated taxes, title, licensing, and some dealer fees. Payments include $477 dealer fee. Available to well-qualified buyers on approved credit by GM Financial. Not all buyers may qualify. Offer assumes 20% down payment. $15.04 per Month per $1,000 Financed at 6.9% APR for 84 months. Please see dealer for details. Offer expires on 2/2/2026 12:00:00 AM.
$1,147
/month
6.9%
APR
84
months
- MSRP $94,710
- Documentation Fee $477
- Starting Price $94,710
- Down Payment $18,942
*Excludes tax, title & fees
Disclaimers
All prices exclude estimated taxes, title, licensing, and some dealer fees. Payments include $477 dealer fee. Available to well-qualified buyers on approved credit by GM Financial. Not all buyers may qualify. Offer assumes 20% down payment. $15.04 per Month per $1,000 Financed at 6.9% APR for 84 months. Please see dealer for details. Offer expires on 2/2/2026 12:00:00 AM.
$1,229
/month
10,000
miles
48
months
- MSRP $94,710
- Documentation Fee $477
- Starting Price $94,710
- Due At Signing $3,729
*Excludes tax, title & fees
Disclaimers
All prices exclude estimated taxes, title, licensing, and some dealer fees. Payments include $477 dealer fee. Available to well-qualified lessees on approved credit by GM Financial. Not all lessees may qualify. Offer assumes 2.64% down payment or $3,729 due at signing. Cash due at signing includes $2,500 down payment and first month's lease payment of $1,229. Actual net capitalized cost $92,687. Total payments equal $58,992. At lease end, purchase for $58,720, plus any official fees and taxes related to the scheduled termination and excess wear and use. Please see dealer for details. Offer expires 2/2/2026 12:00:00 AM.
$1,229
/month
10,000
miles
48
months
- MSRP $94,710
- Documentation Fee $477
- Starting Price $94,710
- Due At Signing $3,729
*Excludes tax, title & fees
Disclaimers
All prices exclude estimated taxes, title, licensing, and some dealer fees. Payments include $477 dealer fee. Available to well-qualified lessees on approved credit by GM Financial. Not all lessees may qualify. Offer assumes 2.64% down payment or $3,729 due at signing. Cash due at signing includes $2,500 down payment and first month's lease payment of $1,229. Actual net capitalized cost $92,687. Total payments equal $58,992. At lease end, purchase for $58,720, plus any official fees and taxes related to the scheduled termination and excess wear and use. Please see dealer for details. Offer expires 2/2/2026 12:00:00 AM.
Visit our Store
- O'Neil GMC
-
869 W. Street Road
Warminster, PA 18974
- Sales: 267-282-4456
- Service: 267-282-4457
- Parts: 267-960-2292
Vehicle Information
VIN:
1GT4UWEY2TF128149
Stock #:
T125
Model Code:
TK30943
-
Condition New
-
Body Style Crew Cab -
Exterior Color Onyx Black
-
Interior Color Jet Black, Forge Perforated Leather Seating Surfaces
-
Engine 6.6L Duramax Turbo-Diesel V8 engine -
Transmission Automatic / 4WD -
Fuel Type Diesel Fuel
Highlighted Features
- Adaptive Cruise Control
- Bluetooth®
- Heated Steering Wheel
- Remote Start
- 4WD/AWD
- Android Auto
- Apple CarPlay
- Keyless Ignition System
- Leather Seats
- Wi-Fi Hotspot
- Emergency Brake Assist
- Lane Departure Warning
- Sunroof/Moonroof
- Wireless Phone Charging
- Blind Spot Monitor
- Forward Collision Warning
- Navigation System
- Parking Assistance
- Rear View Camera
- Automatic Climate Control
- Entertainment System
- Turbo Charged Engine
- Premium Sound System
Dealer Comments
Onyx Black 2026 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel
This 2026 GMC Sierra 3500HD Denali in Onyx Black features:
O'Neil GMC in Warminster serving Philadelphia since 1965. See the rest of our inventory at ONEILGMC.COM. Price excludes tax, tags, title, license, and dealer fees, additional rebates may apply, but internet price does include the following rebates:$500 - Buick & GMC Consumer Cash Program. Exp. 02/02/2026 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 06/30/2026 $3,500 - Discount available for everyoneExp. 03/30/2026
This 2026 GMC Sierra 3500HD Denali in Onyx Black features:
O'Neil GMC in Warminster serving Philadelphia since 1965. See the rest of our inventory at ONEILGMC.COM. Price excludes tax, tags, title, license, and dealer fees, additional rebates may apply, but internet price does include the following rebates:$500 - Buick & GMC Consumer Cash Program. Exp. 02/02/2026 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 06/30/2026 $3,500 - Discount available for everyoneExp. 03/30/2026
All Features
Denali Reserve Package
Gooseneck / 5th Wheel Prep Package
Snow Plow Prep/Camper Package
- DriveType: Four Wheel Drive
- City: 0 MPG
- Hwy: 0 MPG
- Combined: 0 MPG
- Fuel System: Direct Injection
- Fuel Tank Capacity: 36 gal
- Fuel Type: Diesel Fuel
- Horse Power: 470
- Rear Wheel: Dual
- Trailering Capacity: 20000 lbs
Warranty
- Drivetrain: 5 Years/60,000 Miles 3.0L & 6.0L Duramax® Turbo-Diesel Engines, And Certain Commercial, Government, And Qualified Fleet Vehicles: 5 Years/100,000 Miles
- Roadside Assistance: 5 Years/60,000 Miles 3.0L & 6.0L Duramax® Turbo-Diesel Engines, And Certain Commercial, Government, And Qualified Fleet Vehicles: 5 Years/100,000 Miles
- Basic: 3 Years/36,000 Miles
- Corrosion: 3 Years/36,000 Miles Rust-Through 6 Years/100,000 Miles
- Maintenance: First Visit: 12 Months/12,000 Miles
- Warranty: <<< Preliminary 2026 Warranty >>>
Vehicles You Might Like
-
$2,000 SAVINGS$42,295 Internet Price
-
$2,000 SAVINGS$42,295 Internet Price
-
$2,000 SAVINGS$44,380 Internet Price
-
$2,000 SAVINGS$44,380 Internet Price
-
$2,000 SAVINGS$44,380 Internet Price
-
$2,000 SAVINGS$44,380 Internet Price
-
$11,250 SAVINGS$44,745 Internet Price
-
$11,250 SAVINGS$44,745 Internet Price
While we make every effort to ensure the data listed here is correct, there may be instances where some of the options or vehicle features may be listed incorrectly as we get data from multiple data sources. PLEASE MAKE SURE to confirm the details of this vehicle with the dealer to ensure its accuracy. Dealer cannot be held liable for data that is listed incorrectly. MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the ?Fuel Economy? portion of the EPA?s website for details, including a MPG recalculation tool). All vehicle fees do not include an additional documentation fee of $490
While we make every effort to ensure the data listed here is correct, there may be instances where some of the options or vehicle features may be listed incorrectly as we get data from multiple data sources. PLEASE MAKE SURE to confirm the details of this vehicle with the dealer to ensure its accuracy. Dealer cannot be held liable for data that is listed incorrectly. MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the ?Fuel Economy? portion of the EPA?s website for details, including a MPG recalculation tool). All vehicle fees do not include an additional documentation fee of $490
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.