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Map 555 Executive Dr, Willowbrook, IL Today 9-7pm (630) 986-8888
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Home / Used 2020 Gmc Sierra 1500 Willowbrook, Il / Used 2020 Gmc Sierra 1500 Denali in Willowbrook Il
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2020 GMC Sierra 1500 Denali Willowbrook IL
2020 GMC Sierra 1500 Denali Willowbrook IL
2020 GMC Sierra 1500 Denali Willowbrook IL
2020 GMC Sierra 1500 Denali Willowbrook IL
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2020 GMC Sierra 1500 Denali Willowbrook IL
2020 GMC Sierra 1500 Denali Willowbrook IL
2020 GMC Sierra 1500 Denali Willowbrook IL
2020 GMC Sierra 1500 Denali Willowbrook IL

2020 GMC Sierra 1500 Denali

6.2L Ecotec3 V8 Engine, Denali, Automatic, # HL10776
VIN 1GTU9FEL5LZ289535
Fuel Economy 15/20
Doc Fee
+ $378

$44,373
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Willowbrook, IL 44,608 mi. Navigation Heated Seats
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Highline Auto Sales Inc
555 Executive Dr, Willowbrook, IL, 60527
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(630) 986-8888

All pricing and vehicle details are believed to be accurate; however, Highline Auto Sales does not warrant or guarantee their accuracy. Prices, incentives, and offers may vary by region and are subject to change without notice. Vehicle information is based on standard equipment and may vary by vehicle. Please call or email for complete, vehicle-specific details.


EQUIPMENT DETAIL

Installed Packages & Accessories
Total $2,495
  • Engine, 6.2L Ecotec3 V8 (L87)
    (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency
    $2,495

Standard Equipment

Generic
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Air conditioning dual-zone automatic climate control
  • Air filter high-capacity
  • Air vents rear
  • Alternator 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Assist handles front A-pillar mounted for driver and passenger rear B-pillar mounted
  • Assist steps Chrome wheel to wheel
  • Audio system Premium GMC Infotainment System with Navigation and 8" diagonal color touch-screen includes multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones advanced voice recognition in-vehicle apps personalized profiles for infotainment and vehicle settings. Includes greater memory (Note: (PZ8) Hitch Guidance with hitch view is included with trim.)
  • Automatic Stop/Start
  • Battery heavy-duty 730 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
  • Bed Liner Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Denali logo replaces GMC logo. Deleted with (PCP) Denali CarbonPro Edition. Available with Ship Thru codes (VCO) (VDT) (VYC) or (VYS).)
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Bose Sound System premium 7-speaker system with Richbass woofer
  • Brake lining wear indicator
  • Brakes 4-wheel antilock 4-wheel disc with DURALIFE rotors
  • Bumper front body-color lower
  • Bumper rear body-color with corner steps
  • Capless Fuel Fill
  • Cargo tie downs (12) fixed rated at 500 lbs per corner
  • Center Console floor-mounted with cup holders cell phone storage power cord management hanging file folder capability
  • Compass located in instrument cluster
  • Cooling external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • CornerStep rear bumper
  • Cruise control steering wheel-mounted
  • Defogger rear-window electric
  • Differential heavy-duty locking rear
  • Door handles chrome
  • Door locks power
  • Driver Information Center enhanced 8" diagonal multicolor digital display includes analog speedometer and tachometer gauges
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Engine 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders depending on demand to optimize power delivery and efficiency (Not available with (PEC) Denali Ultimate Package.)
  • Exhaust aluminized stainless-steel muffler and tailpipe
  • Exhaust dual with premium tips
  • Exterior Temperature Display located in radio display
  • Floor covering color-keyed carpeting
  • Floor mats carpeted front (Unique premium carpet. Deleted when (RIA) All-weather floor liner LPO is ordered.)
  • Floor mats carpeted rear (Unique premium carpet. Deleted when (RIA) All-weather floor liner LPO is ordered.)
  • Fog lamps LED
  • Four wheel drive
  • Frame fully-boxed hydroformed front section
  • Glass deep-tinted
  • GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
  • Grille (Signature Denali grille with high gloss Black mesh and Chrome inserts.)
  • GVWR 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
  • Headlamps LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
  • Hill Descent Control (Requires 4WD model.)
  • In-vehicle Trailering App System includes checklist trailer maintenance reminders trailer security alerts trailer mileage tow/haul reminder and trailer electrical diagnostics
  • Keyless Open and Start
  • 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 box activated with switch on center switch bank or key fob
  • Mirror caps chrome
  • Mirror inside rearview auto-dimming
  • Mirrors outside heated power-adjustable power-folding and driver-side auto-dimming puddle lamps side perimeter lighting and memory
  • Moldings window surround Chrome
  • Pickup bed
  • Power outlet bed mounted 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Power outlet front auxiliary 12-volt
  • Power outlet instrument panel 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Power outlet rear auxiliary 12-volt
  • Radio HD
  • Rear axle 3.23 ratio
  • Recovery hooks chrome
  • Remote vehicle starter system
  • Seat adjuster driver 10-way power including lumbar
  • Seat adjuster passenger 10-way power including lumbar
  • 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) (Rear seat is leather-appointed.)
  • Seating heated driver and front outboard passenger
  • Seats front bucket with center console
  • Seats heated second row outboard seats
  • Seats ventilated driver and front passenger
  • Steering column lock control electrical
  • Steering column manual Tilt-Wheel and telescoping
  • Steering Electric Power Steering (EPS) assist rack-and-pinion
  • Steering wheel audio controls
  • Steering wheel heated
  • Steering wheel leather-wrapped
  • Suspension Adaptive Ride Control
  • Tailgate and bed rail protection caps top
  • Tailgate gate function manual with EZ Lift includes power lock and release includes hitch area light
  • Tailgate GMC MultiPro Tailgate with six functional load/access features
  • Taillamps LED signature taillight with LED stop and reverse light
  • Theft-deterrent system unauthorized entry
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Tire spare 255/80R17SL all-season blackwall
  • Tires 275/60R20SL all-terrain blackwall (Standard on 4WD models. Available as a free flow option on 2WD models.)
  • Trailer brake controller integrated
  • Transfer case two-speed electronic Autotrac with push button control (4WD models only)
  • Transmission 10-speed automatic electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Available on 4WD models equipped with (L84) 5.3L EcoTec3 V8 engine. Included and only available with (L87) 6.2L EcoTec3 V8 engine or (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Universal Home Remote
  • USB Ports (Inside Console with bucket seats) 2 also includes 1 SD card reader and auxiliary jack
  • USB ports 2 (first row) located on instrument panel
  • USB ports dual charge-only (2nd row)
  • Wheel 17" x 8" (43.2 cm x 20.3 cm) full-size steel spare
  • Wheelhouse liners rear
  • Wheels 20" x 9" (50.8 cm x 22.9 cm) multi-dimensional polished aluminum
  • Window power front passenger express up/down
  • Window power rear sliding with rear defogger
  • Windows power front drivers express up/down
  • Windows power rear express down
  • Wireless Charging
Show more Show less

SPECS

Stock:
HL10776
VIN:
1GTU9FEL5LZ289535
Dealer:
Highline Auto Sales Inc
Type:
Used
Year:
2020
Make:
GMC
Model:
Sierra 1500
Mileage:
44,608
Dealer Certified:
No
Certified:
No
Date in Stock:
05/19/2026
Trim:
Denali
Model Number:
TK10743
Body:
Pickup Truck
Body Style:
Pickup Truck
Transmission:
Automatic
Doors:
4
Description:
6.2L Ecotec3 V8 Engine
Drivetrain:
Four Wheel Drive
Fuel Type:
Gas
Exterior Color:
Onyx Black
Interior Color:
Jet Black
EPA City:
15
EPA Highway:
20
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData

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