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Used 2026 GMC Sierra for sale in Warminster
50 photos
Accident Free
No reported accidents
Vehicle Details
Unknown
Automatic
4WD
Gasoline
6.2L EcoTec3 V8 engine
Unknown
Pickup
Owners
Make GMC
Model Sierra
Year 2026
Trim Denali Ultimate
Series 1500
Engine Cylinders 8
Body Class Pickup
What was with this car history VIN 1GTUUHELXTZ373733?
Popular features
Trailering Package includes trailer hitch 7-pin and 4-pin connectors and (CTT) Hitch Guidance
GMC Pro Safety includes (UEU) Forward Collision Alert (UE4) Following Distance Indicator (UKJ) Front Pedestrian Braking (TQ5) IntelliBeam (UKL) Super Cruise and (UGN) Enhanced Automatic Emergency Braking (Includes (T8Z) Buckle to Drive and (HS1) Safety Alert Seat. (UGN) Enhanced Automatic Emergency Braking is standard and replaces (UHY) Automatic Emergency Braking. (UKL) Super Cruise is standard and replaces (UHX) Lane Keep Assist with Lane Departure Warning.)
Rear axle 3.23 ratio
Pickup bed
Push Button Start
Air filter heavy-duty
Electronic Precision Shift and steering column paddle shifters
Automatic Stop/Start
Hill Descent Control (Requires 4WD model.)
Auto-locking rear differential
Transfer case two-speed electronic Autotrac with push button control (4WD models only)
Denali Premium Suspension with Adaptive Ride Control
Four wheel drive
Frame fully-boxed hydroformed front section
Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
Trailer brake controller integrated
Recovery hooks chrome
Cargo tie downs (12) fixed
Steering Electric Power Steering (EPS) assist rack-and-pinion
Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors
Brake lining wear indicator
Capless Fuel Fill
Exhaust aluminized stainless-steel muffler and tailpipe
Wheels 22" (55.9 cm) 7-spoke ultra-bright machined with bright chrome accents and dark paint (Includes (SFE) Wheel locks LPO.)
Tires 275/50R22SL all-season blackwall
Tire spare 255/80R17SL all-season blackwall
Wheel 17" x 8" (43.2 cm x 20.3 cm) full-size steel spare
Wheelhouse liners rear (Deleted with (E3Z) Carbon Fiber Composite Bed.)
LPO Wheel locks set of 4 (dealer-installed)
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Sunroof power
Bumper front body-color lower
Bumper rear body-color with corner steps
CornerStep rear bumper
GMC MultiPro Power Steps power-retractable with rearward articulating (providing bed access). Foot activated running side board.
Moldings window surround Chrome
Grille (High gloss black header with Signature Denali Grille in Vader chrome.)
Headlamps LED projectors with Fade-on/Fade-off animation LED turn signals and Daytime Running Lamps
IntelliBeam automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)
Fog lamps LED
Lighting perimeter
Taillamps LED LED signature taillight with LED stop turn & reverse and Fade-on/Fade-off animation
Mirrors outside heated power-adjustable power-folding and driver-side auto-dimming puddle lamps side perimeter lighting and memory
Mirror caps chrome
Wipers front rain-sensing
Window power rear sliding with rear defogger
Glass deep-tinted
Lamps cargo area cab mounted integrated with center high mount stop lamp with switch in bank on left side of steering wheel
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
GMC Front and Rear Logo Vader Chrome
Tailgate GMC MultiPro Tailgate with six functional load/access features
Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
Tailgate and bed rail protection caps top
Door handles chrome
Bedliner Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Deleted with (E3Z) Carbon Fiber Composite Bed. Available with Ship Thru codes (VCO) (VDT) (VYC) or (VYS).)
LPO MultiPro Tailgate Audio System by Kicker (dealer-installed)
Audio System 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones
SiriusXM Trial Subscription
SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy visit siriusxm.com which includes full terms and how to cancel. All fees content features and availability are subject to change. Some features require GM connected vehicle services.)
Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
Bluetooth for phone connectivity to vehicle infotainment system
Wireless Apple CarPlay / Wireless Android Auto
Steering wheel audio controls
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Seats front bucket with center console
Seat trim Full grain leather front
Seat adjuster driver 16-way power including lumbar and massage
Seat adjuster passenger 16-way power including lumbar and massage
Seating heated driver and front outboard passenger
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Seats ventilated driver and front passenger
Seat Up-level Rear with Storage Package 60/40 folding bench for Crew Cab models includes full-length bench seat seatback storage on left and right side center fold out armrest with 2 cupholders full cab width under-seat storage (includes child seat top tether anchor)
Seats heated second row outboard seats
Center Console floor-mounted with cup holders cell phone storage power cord management hanging file folder capability
Floor covering color-keyed carpeting
Floor mats carpeted front (Includes Premium floor mats with corner applique. Deleted when (BKF) Premium Floor Liners are ordered.)
Floor mats carpeted rear (Includes Premium floor mats. Deleted when (BKF) Premium Floor Liners are ordered.)
Steering column power rake and telescoping
Steering wheel heated
Driver Information Center enhanced 12.3" diagonal reconfigurable multicolor digital display
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
In-Vehicle Trailering App System includes checklist trailer maintenance reminders trailer security alerts trailer mileage tow/haul reminder trailer electrical diagnostics and Trailer Tire Pressure Monitor System module
Compass located in instrument cluster
Exterior Temperature Display located in radio display
Multicolor 15" Diagonal Head-Up Display
Windows power front drivers express up/down
Window power front passenger express up/down
Windows power rear express down
Door locks power
Keyless Open and Start includes remote keyless entry
Remote vehicle starter system
Universal Home Remote
Adaptive Cruise Control
Super Cruise advanced driver assistance technology for use on compatible roads. Includes 3 years of OnStar One with Super Cruise upgrade (Requires (UE1) OnStar and (R9M) 3 Years OnStar One. Always pay attention while driving and when using Super Cruise. Always use Super Cruise in accordance with local laws. Do not use a hand-held device. Requires active Super Cruise plan or trial. Terms apply. Visit gmc.com/connectivity-technology/super-cruise for compatible roads and full details. After initial 3-year period OnStar Super Cruise plan must be purchased. Services vary by vehicle and model and require active service plan working electrical system cell reception and GPS signal. Does not include safety services; Super Cruise vehicles are connected to emergency services. See onstar.com for details and limitations.)
Theft-deterrent system unauthorized entry
Steering column lock electrical
Wireless Charging
USB Ports 2 (first row) located on console
USB Ports 2 Charge/Data ports located inside center console
Power outlet interior power outlet 120-volt (400 watts shared with (KC9) bed mounted power outlet)
USB ports (2) charge-only rear
Power outlet bed mounted 120-volt (400 watts shared with (KI4) interior power outlet)
Air conditioning dual-zone automatic climate control
Air vents rear
Defogger rear-window electric
Rear Camera Mirror inside rearview auto-dimming with full camera display
Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted
Enhanced Automatic Emergency Braking
Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)
StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
Daytime Running Lamps LED signature lighting
Airbags Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands built-in voice assistance real-time traffic and navigation and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands Navigation Voice Assistance and Automatic Crash Response for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan working electrical system cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability features and functionality vary by device and software version. See onstar.com for details and limitations.)
3 Years OnStar One (Requires (UE1) OnStar. Safety Services WI-FI and In-Vehicle Apps all connected by OnStar. Info at OnStar.com/Plans After initial 3-year period requires paid OnStar plan. OnStar services vary by vehicle and model and require an active service plan working electrical system cell reception and GPS signal. See onstar.com for details and limitations. Terms apply.)
Hitch View with image adjustment Pan/Zoom/Tilt
Hitch Guidance
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
Bed View Camera camera in the CHMSL to show a view of the cargo bed display located in infotainment screen (Includes Trailer View Camera Provisions and Trailer Assist Guidelines.)
Trailer Camera Provisions and trailer viewing software
Front and Rear Park Assist ultrasonic
Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
Trailer Side Blind Zone Alert
Rear Cross Traffic Braking
Rear Pedestrian Alert
Safety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)
Seat Belt Adjustable Guide Loops front row only
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) GMC Pro Safety.)
Tire Pressure Monitoring System auto learn includes Tire Fill Alert (does not apply to spare tire)
Rear Seat Reminder
Rear Seat Belt Indicator
Seller description
Onyx Black 2026 GMC Sierra 1500 Denali Ultimate 4WD 10-Speed Automatic EcoTec3 6.2L V8This 2026 GMC Sierra 1500 Denali Ultimate 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:$1500 - Buick GMC Bonus Cash. Exp. 06/30/2026 $1750 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026 $3,512 - O'Neil GMC Discount Available to all customers. Excl elevation. Exp. 06/30/2026
O'NEIL GMC INC
Only 147 miles away from you!
Location: 869 W Street Road, Warminster, PA 18974
Phone: (121) 567-2090
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Frequently Asked Questions About the 2026 GMC Sierra
The average price of a used 2026 GMC Sierra is $45,504 based on 69,504 listings currently available nationwide. Prices range from $7,999 to $91,340 depending on mileage, condition, and location. This particular Sierra in Warminster, PA is listed at $87,805.
Used 2026 GMC Sierra vehicles on our marketplace have an average of 49,486 miles. You can compare mileage across all available units on the GMC Sierra listings page.
Reliability varies by model year, maintenance history, and driving conditions. We recommend checking the vehicle history report and having an independent inspection before purchase.
The 2026 GMC Sierra runs on Gasoline. Exact fuel economy figures vary by trim level and driving conditions. Check fueleconomy.gov for EPA estimates specific to this model year.
There are 769,898 used Pickup vehicles priced under $100,000 currently listed on our marketplace. Browse all options on the Used Pickup under $100,000 page. You can also narrow your search to Used GMC vehicles under $100,000 if you prefer to stay with the GMC brand.
