
2020 GMC Sierra 1500
Mileage: 85,404 · Harrisburg, PA
$2,343 Below market
2020 GMC Sierra 1500 AT4 Crew Cab 4WD
Harrisburg, PA
$35,978
Dealer rating
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Features
Mileage
85,404
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black With Kalahari Accents
MPG
17 MPG
Engine
420 hp 6.2L V8
Fuel type
Gasoline
Transmission
Automatic
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Overview
- Make:GMC
- Model:Sierra 1500
- Year:2020
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black With Kalahari Accents
- Mileage:85,404 mi
- Condition:Used
- VIN:3GTP9EEL8LG121721
- Stock number:LG121721
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:17 MPG
- City gas mileage:15 MPG
- Highway gas mileage:19 MPG
- Fuel type:Gasoline
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:420 hp 6.2L V8
- Horsepower:420 hp
Safety
- NHTSA overall safety rating:
- NHTSA frontal crash rating:
- NHTSA side crash rating:
- NHTSA rollover rating:
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
History
Clean title
No issues reported.
1 accident reported
No damage reported.
1 previous owner
Vehicle has one previous owner.
Pricing

No price changes
11 days at this dealership
Dealer

Dealer reviews
Dealer's description
Elevate your driving experience with this 2020 GMC Sierra 1500 AT4. Engineered to conquer any terrain, this powerful truck is equipped with an EcoTec3 6.2L V8 engine and a 10-speed automatic transmission, delivering exceptional performance and capability.- Sunroof, power- Technology Package with HD Surround Vision, Rear Camera Mirror, Bed View Camera, and Multicolor Head-Up Display- AT4 Premium Package with off-road tires, driver alert features, and black assist steps- Trailer Tire Pressure Monitor SystemThe Sierra AT4 is designed to take you further, with features that include:- Premium Bose 7-speaker sound system- Heated and ventilated front seats- Heated rear seats- Wireless charging- Adaptive cruise control- Forward collision alert- Lane keep assist with lane departure warningThis exceptional truck is ready to elevate your driving experience. Schedule a test drive today and discover the power and capability of the 2020 GMC Sierra 1500 AT4.
Additional Information
REAR CAMERA MIRROR INSIDE REARVIEW AUTO-DIMMING with full camera display,BOSE SOUND SYSTEM PREMIUM 7-SPEAKER SYSTEM with Richbass woofer,WIRELESS CHARGING,INTELLIBEAM AUTOMATIC HIGH BEAM ON/OFF,FRONT PEDESTRIAN BRAKING,FOLLOWING DISTANCE INDICATOR,REAR AXLE 3.23 RATIO,DRIVER INFORMATION CENTER ENHANCED 8" DIAGONAL MULTICOLOR DIGITAL DISPLAY includes analog speedometer and tachometer gauges,JET BLACK WITH KALAHARI ACCENTS PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM,TRANSMISSION 10-SPEED AUTOMATIC ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD),TECHNOLOGY PACKAGE includes (UVS) HD Surround Vision (DRZ) Rear Camera Mirror (UVN) Bed View Camera and (UV6) Multicolor 15" Diagonal Head-Up Display Includes (UHS) 8" Digital Driver information Center and (DP6) Black mirror caps.),BED VIEW CAMERA includes Two Trailer Camera Provisions,LANE KEEP ASSIST with Lane Departure Warning,GVWR 7000 LBS. (3175 KG) (STD),ADAPTIVE CRUISE CONTROL - CAMERA,SAFETY ALERT SEAT,AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window (IOT) 8" diagonal Premium GMC Infotainment with navigation (UQA) Bose Premium Audio System and (K4C) Wireless Charging,FRONT AND REAR PARK ASSIST ULTRASONIC,TRAILER TIRE PRESSURE MONITOR SYSTEM includes module and set of 4 sensors.,LPO MIRROR CAPS BLACK,CUSTOMER DIALOGUE NETWORK,DRIVER ALERT PACKAGE I includes (UD5) Front and Rear Park Assist (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting.,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.),UNIVERSAL HOME REMOTE,TIRES LT275/65R18C MT BLACKWALL GOODYEAR WRANGLER DURATRAC,ENGINE 6.2L ECOTEC3 V8 (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,SUNROOF POWER,SEATS FRONT BUCKET with center console (STD),AT4 PREFERRED EQUIPMENT GROUP includes standard equipment,DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert (UHX) Lane Keep Assist/Lane Departure Warning (UHY) Automatic Emergency Braking (UKJ) Front Pedestrian Braking (TQ5) IntelliBeam headlamps (KSG) Adaptive Cruise Control-Camera and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat.),REAR CROSS TRAFFIC ALERT,LANE CHANGE ALERT with Side Blind Zone Alert,AUTOMATIC EMERGENCY BRAKING,HD SURROUND VISION WITH TWO TRAILER VIEW CAMERA PROVISIONS provides the driver with an overhead view of the scene around the vehicle on a center stack display,ONYX BLACK,WINDOW POWER REAR SLIDING WITH REAR DEFOGGER,WHEELS 18" X 8.5" (45.7 CM X 21.6 CM) MACHINED ALUMINUM with Dark Grey accents (STD),MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY,MIRROR CAPS CHROME,LPO BLACK TUBULAR ASSIST STEPS 6" RECTANGULAR,FORWARD COLLISION ALERT,AT4 PREMIUM PACKAGE includes (PDO) AT4 Preferred Package (R3O) LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires (PQB) Driver Alert Package I and (RVQ) 6" Black rectangular assist steps LPO,Tow Hitch,Locking/Limited Slip Differential,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Tires - Front All-Season,Tires - Rear All-Season,Daytime Running Lights,Fog Lamps,Heated Mirrors,Power Mirror(s),Mirror Memory,Power Folding Mirrors,Privacy Glass,Integrated Tailgate Step,Bed Liner,AM/FM Stereo,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,HD Radio,Satellite Radio,Requires Subscription,Bluetooth Connection,Steering Wheel Audio Controls,WiFi Hotspot,Bucket Seats,Power Driver Seat,Driver Adjustable Lumbar,Power Passenger Seat,Passenger Adjustable Lumbar,Heated Front Seat(s),Mirror Memory,Seat Memory,Heated Front Seat(s),Cooled Front Seat(s),Pass-Through Rear Seat,Heated Rear Seat(s),Floor Mats,Adjustable Steering Wheel,Leather Steering Wheel,Heated Steering Wheel,Power Windows,Power Windows,Power Windows,Power Door Locks,Remote Engine Start,Keyless Entry,Power Door Locks,Keyless Start,Cruise Control,Security System,MP3 Capability,Auxiliary Audio Input,MP3 Capability,Auxiliary Audio Input,Power Outlet,Power Outlet,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Traction Control,Stability Control,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscription,Back-Up Camera,Back-Up Camera,Driver Restriction Features,Tire Pressure Monitor
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