
2021 GMC Sierra 1500
Mileage: 65,533 · Greencastle, IN
$1,049 Below market
2021 GMC Sierra 1500 AT4 Crew Cab 4WD
Greencastle, IN
$39,245
Dealer rating
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Features
Mileage
65,533
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black W/Kalahari Accents
MPG
16 MPG
Engine
420 hp 6.2L V8
Fuel type
Gasoline
Transmission
Automatic
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Overview
- Make:GMC
- Model:Sierra 1500
- Year:2021
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black W/Kalahari Accents
- Mileage:65,533 mi
- Condition:Used
- VIN:3GTP9EEL9MG180021
- Stock number:GC26116B
Fuel economy
- Fuel tank size:24 gal
- Combined gas mileage:16 MPG
- City gas mileage:14 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.
0 accidents reported
No accidents or damage reported.
1 previous owner
Vehicle has one previous owner.
Pricing

Price decreased
39 days at this dealership

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Dealer

Dealer reviews
Dealer's description
Meet the 2021 GMC Sierra 1500 AT4, a sophisticated truck engineered for those who demand capability without compromise. This locally-sourced truck arrives with the confidence that comes from proven performance and refined engineering, ready to handle whatever your lifestyle demands. - 6.2L EcoTec3 V8 engine with 420 hp and 460 lb-ft of torque - AT4 Premium Package with high-clearance step - 4-Wheel Drive with off-road suspension and hill descent control - Premium GMC Infotainment System with Navigation and Apple CarPlay/Android Auto - Premium Bose 7-Speaker Sound System with SiriusXM 360L - Heated and ventilated leather front seats with 10-way power adjustment - Driver Alert Package I with lane change alert and rear cross traffic alert - Ultrasonic front and rear park assist with hitch guidance - Wireless charging and universal home remote - Power sliding rear window with rear defogger - Spray-on pickup bed liner with AT4 logo - ProGrade Trailering System with integrated trailer brake controller - Remote vehicle starter system and keyless open and start - Front and rear premium floor liners with removable carpet inserts - 18" machined aluminum wheels with Goodyear Wrangler DuraTrac tires This AT4 combines rugged capability with genuine refinement. The 6.2L V8 delivers commanding power while the advanced Dynamic Fuel Management system optimizes efficiency across 17 different operating patterns. The off-road suspension and all-terrain tires prepare you for unpaved terrain, yet the truck rides with composure on any surface. The premium leather interior wraps you in comfort, with heated and ventilated seats that adapt to the season and a responsive steering wheel with audio controls at your fingertips. Technology integrates seamlessly throughout. The premium infotainment system connects your devices through Apple CarPlay and Android Auto, while SiriusXM 360L keeps you entertained across the country. The suite of driver assistance featuresincluding lane change alert, rear cross traffic awareness, and ultrasonic park assistadds a layer of confidence to daily driving. The integrated trailering system even includes hitch guidance and an in-vehicle app to simplify towing. Practicality runs deep in this truck's design. The ProGrade Trailering System handles substantial loads with purpose-built engineering, while the spray-on bed liner protects your cargo area. Premium floor liners keep the cabin pristine, and the power sliding rear window opens your truck to fresh air and expansive views. With 15 city and 19 highway mpg, this V8 delivers respectable efficiency for its displacement and capability. This 2021 Sierra 1500 AT4 represents a truck built for those who appreciate the detailswhere capability meets refinement, and performance serves a purpose. We invite you to experience it firsthand and discover why this truck earns genuine respect among those who understand trucks.
Additional Information
AT4 Preferred Package,AT4 Premium Package,Driver Alert Package I,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,Premium Bose 7-Speaker Sound System,Radio data system,Radio: Premium GMC Infotainment Sys w/Multi-Touch,Radio: Premium GMC Infotainment Sys w/Navigation,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,Universal Home Remote,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,Perimeter Lighting,Panic alarm,Security system,Theft Deterrent System (Unauthorized Entry),Speed control,170 Amp Alternator,Auxiliary External Transmission Oil Cooler,Heavy-Duty Air Filter,AT4 High Clearance Step (LPO),Auto-dimming door mirrors,Body-Color Surround Grille,Bumpers: body-color,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,Lane Change Alert w/Side Blind Zone Alert,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,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,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,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,Power Sliding Rear Window w/Rear Defogger,Variably intermittent wipers,3.23 Rear Axle Ratio,**4 WHEEL DRIVE**,**LOCAL TRADE IN**
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