Used 2021 GMC Sierra 1500 AT4 Crew Cab
10-speed automatic
Vehicle Summary
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Ebony Twilight Metallic
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Jet Black w/Kalahari Accents
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VIN 3GTP9EED1MG446026
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Stock # UQ446026
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Condition Used
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Exterior Ebony Twilight Metallic
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Interior Jet Black w/Kalahari Accents
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Engine V8, 5.3L
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Fuel Type Gasoline
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Drivetrain 4x4
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Transmission 10-speed automatic
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Location All Things Automotive
Mileage
Miles
MPG FUEL ECONOMY
CITY
HWY
AVG
Performance
HP
Torque
Key Features
Backup Camera
Tow Package
Fog Lights
Side-Impact Air Bags
Bluetooth
Alloy Wheels
Leather Seats
Automatic Climate Control
Cruise Control
Remote Start
Push Start
Keyless Entry
Android Auto
Apple Car Play
Wifi Hotspot
Vehicle Description
2021 GMC Sierra 1500 AT4 4WD - McConnellsburg, PA
Command the road and trail with this rugged 2021 GMC Sierra 1500 AT4, located in McConnellsburg, PA. Powered by a robust 5.3L V8 gasoline engine and equipped with four-wheel drive, this GMC Sierra AT4 blends purposeful capability with premium comfort. The Off-Road Package enhances suspension and traction features for confident performance on rough terrain, while the AT4-specific styling and skid protection underscore its adventure-ready character.
Inside, premium leather seats surround you with comfort and durability for long drives or tough workdays. Modern convenience features include hands-free Bluetooth for safe phone and audio control, and a back-up camera that simplifies parking and hitching trailers. Practical tech and upscale appointments make this GMC Sierra an excellent choice for drivers who want utility without sacrificing refinement.
This truck comes with a CARFAX Clean Report, providing added peace of mind about its history and maintenance record. Whether you need a capable work truck, a weekend trail vehicle, or a comfortable daily driver, the GMC Sierra 1500 AT4 offers a versatile package engineered to perform.
Contact our McConnellsburg, PA location to arrange a test drive or to request the full vehicle history. Experience the durability, comfort, and capability of this 2021 GMC Sierra 1500 AT4 firsthand.
Vehicle Features
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Interior
- Ventilated driver and front passenger seats
- Heated steering wheel
- Heated driver and front passenger seats
- Leather front seat upholstery
- Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
- Dual-zone front climate control
- Automatic climate control
- Leather and metal-look steering wheel
- Manual tilting steering wheel
- Manual telescopic steering wheel
- Vinyl rear seat upholstery
- Rear console climate control ducts
- Bucket front seats
- Driver seat with 8-way directional controls
- Front seat center armrest
- Front passenger seat with 8-way directional controls
- Driver seat with 2-way power lumbar
- Front passenger seat with 2-way power lumbar
- Split-bench rear seat
- Fold-up rear seat cushion
- 60-40 folding rear seats
- Rear seat center armrest
- Seating capacity: 5
- Deep tinted windows
- Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
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Exterior
- Hitch Guidance vehicle to trailer hitching assist
- GMC ProGrade Trailering System trailer light test
- GMC ProGrade Trailering System trailer light malfunction warning
- GMC ProGrade Trailering System trailer theft alarm
- Trailer brake controller
- Trailer Sway Control (TSC) trailer sway control
- Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
- Trailer hitch light
- 18 x 8.5-inch front and rear machined w/painted accents aluminum wheels
- Trailer wiring harness
- Class IV tow rating
- Trailer hitch
- 2 underbody skid plates
- Spray-in pickup bed liner
- Pickup bed extender
- Pickup bed-rail protectors
- Full-size spare tire with steel wheel
- Crank-down spare tire
- 2 front tow hooks
- LED in-box lighting
- 4 doors
- Standard style pickup box
- Galvanized steel/aluminum body panels with side impact beams
- Body-colored front bumper
- Body-colored rear bumper
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Mechanical
- AutoTrac part and full-time 4WD
- EcoTec3 5.3L V-8 gasoline direct injection, variable valve control, regular unleaded, engine with cylinder deactivation and 355HP
- EcoTec3 5.3L V-8
- 10-speed automatic
- Tow/Haul Mode selectable mode transmission
- Transmission electronic control
- Sequential shift control
- Automatic
- Four-wheel drive
- Off-road ride suspension
- Speed sensitive power steering
- Lock-up transmission
- Front mounted engine
- Spark ignition system
- Longitudinal mounted engine
- Aluminum engine block
- Aluminum cylinder head
- Overdrive transmission
- EcoTec3 V8
- Powertrain type: ICE
- All-speed ABS and driveline traction control
- Electronic transfer case shift
- Independent front suspension
- Short and long arm front suspension
- Front anti-roll bar
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Safety
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Brake assist system
- Teen Driver restricted driving mode/alerts
- Immobilizer
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Hill Descent Control (HDC)
- Hill Start Assist (HSA)
- LED daytime running lights
- LED brake lights
- LED front fog lights
- Manual rear child safety door locks
- 6 airbags
- Driver front impact airbag
- Seat mounted side impact driver airbag
- Curtain first and second-row overhead airbags
- Passenger front impact airbag
- Seat mounted side impact front passenger airbag
- Airbag occupancy sensor
- Reflector headlights
- LED low and high beam headlights
- Auto on/off headlight control
- Delay-off headlights
- Remote activated perimeter approach lighting
- 4-wheel disc brakes
- 4-wheel antilock (ABS) brakes
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Entertainment
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- Premium GMC Infotainment System external memory control
- Internet radio capability
- GMC Infotainment System voice activated audio controls
- 2 total number of 1st row displays
- 8 inch primary display
- Standard grade speakers
- 6 speakers
- Seek scan
- Radio data system (RDS)
- Auxiliary input jack
- 3 month satellite trial subscription
- Fixed audio antenna
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Crash Safety Ratings
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OVERALL
4 STAR
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FRONT
4 STAR
SIDE
5 STAR
ROLLOVER
4 STAR
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Factory Warranty
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Powertrain warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.Corrosion perforation warranty
72 month/100,000 miles
*Confirm any warranty information with dealer before purchase.Roadside warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.
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Disclaimers
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Used vehicle pricing includes all offers and incentives. Tax, Title and Tags not included in vehicle prices shown and must be paid by the purchaser. Some prices may include manufacturer-to-dealer offers that are not compatible with manufacturer special finance programs and/or lease offers. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at {phone} or by visiting us at the dealership.
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Based on 2021 EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.
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