
2021 GMC Sierra 1500
Mileage: 72,793 · Port Arthur, TX
$XXX Above market
2021 GMC Sierra 1500 AT4 Crew Cab 4WD
Port Arthur, TX
$40,173
Dealer rating
Request information
Features
Mileage
72,793
Drivetrain
Four-Wheel Drive
Exterior color
Gray (Satin Steel Metallic)
Interior color
Jet Black With Kalahari Accents
MPG
24 MPG
Engine
277 hp 3L I6 Diesel
Fuel type
Diesel
Transmission
Automatic
Finance in advance
Overview
- Make:GMC
- Model:Sierra 1500
- Year:2021
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Gray (Satin Steel Metallic)
- Interior color:Jet Black With Kalahari Accents
- Mileage:72,793 mi
- Condition:Used
- VIN:3GTU9EET9MG399550
- Stock number:P7627
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:24 MPG
- City gas mileage:22 MPG
- Highway gas mileage:26 MPG
- Fuel type:Diesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:277 hp 3L I6 Diesel
- Horsepower:277 hp
Safety
- NHTSA overall safety rating:
- NHTSA frontal crash rating:
- NHTSA side crash rating:
- NHTSA rollover rating:
- ABS Brakes
- Backup Camera
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Parking Sensors
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:69 in
Options
- Alloy Wheels
- Android Auto
- Bluetooth
- CarPlay
- Heated Seats
- Remote Start
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History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
2 previous owners
Vehicle has 2 previous owners.
Pricing

Selling slowly
27 days at this dealership
Pricing
Dealer

Dealer reviews
Dealer's description
Experience the power and capability of the 2021 GMC Sierra 1500 AT4. This rugged and refined truck is designed to conquer any terrain, whether you're tackling the toughest job site or embarking on your next outdoor adventure. - 3.0L I-6 Diesel Turbocharged (Duramax) engine delivering 277 hp and 460 lb-ft of torque - 10-Speed Automatic transmission with 4WD - Engine Block Heater - 220-Amp Alternator - Off-Road Suspension - Auto-Locking Rear Differential - Spray-On Pickup Bed Liner with AT4 Logo - ProGrade Trailering System The Sierra AT4's impressive capabilities are matched by its premium interior and advanced technology. Enjoy the comfort of heated and ventilated leather-appointed front seats, a heated steering wheel, and dual-zone automatic climate control. Stay connected with the GMC Infotainment System, 4G LTE Wi-Fi hotspot, and seamless integration of Apple CarPlay and Android Auto. For added peace of mind, the Sierra AT4 comes equipped with a suite of advanced safety features, including Rear Vision Camera, Rear Park Assist, and Automatic Emergency Braking. The Trailering Package with Hitch Guidance and Integrated Trailer Brake Controller ensures you can tow with confidence. Whether you're hauling heavy loads, navigating rough terrain, or seeking a comfortable and capable daily driver, the 2021 GMC Sierra 1500 AT4 is the truck that can handle it all. Experience the perfect blend of power, technology, and refinement. Visit our showroom today to take this remarkable truck for a test drive.
Additional Information
Preferred Equipment Group 4SB,Trailering Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,Premium audio system: GMC Infotainment System,Radio data system,Radio: Premium GMC Infotainment Sys w/Multi-Touch,SiriusXM w/360L,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,12-Volt Rear Auxiliary Power Outlet,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power Front Passenger Windows w/Express Up/Down,Power Front Windows w/Driver Express Up/Down,Power Rear Windows w/Express Down,Power steering,Power windows,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Auto-Locking Rear Differential,Electrical Lock Control Steering Column,Manual Tilt-Wheel & Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Door Locks,Brake assist,Electronic Stability Control,Hill Descent Control,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Theft Deterrent System (Unauthorized Entry),Speed control,170 Amp Alternator,220 Amp Alternator,Auxiliary External Transmission Oil Cooler,Engine Block Heater,Heavy-Duty Air Filter,Auto-dimming door mirrors,Body-Color Surround Grille,Bumpers: body-color,Front License Plate Kit,Heated door mirrors,LED Cargo Area Lighting,Power door mirrors,ProGrade Trailering System,Rear step bumper,Rear Wheelhouse Liners,Spray-On Pickup Bed Liner w/AT4 Logo,2 USB Ports,2 USB Ports (1st Row),4.2" Diagonal Color Display Driver Info Center,4G LTE Wi-Fi Hotspot Capable,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Color-Keyed Carpeting Floor Covering,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Front Prem Floor Liners w/Removable Carpet Insert,Front reading lights,GMC Connected Access Capable,HD Rear Vision Camera,Heated steering wheel,Illuminated entry,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Dual USB Charging-Only Ports,Rear Prem Floor Liners w/Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Voltmeter,10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seating,Heated front seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Split folding rear seat,Ventilated Driver & Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance,Hitch Guidance w/Hitch View,In-Vehicle Trailering App,Integrated Trailer Brake Controller,Red Recovery Hooks,18" x 8.5" Machined Aluminum Wheels,Alloy wheels,Deep-Tinted Glass,Variably intermittent wipers,3.23 Rear Axle Ratio
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