
2021 GMC Sierra 1500
Mileage: 112,056 · Horsham, PA
$3,461 Above market
2021 GMC Sierra 1500 AT4 Crew Cab 4WD
Horsham, PA
$35,889
Dealer rating
Request information
Features
Mileage
112,056
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
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:Onyx Black
- Interior color:Jet Black with Kalahari accents
- Mileage:112,056 mi
- Condition:Used
- VIN:1GTU9EET1MZ228341
- Stock number:J260061A
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
- Blind Spot Monitoring
- 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
- Navigation System
- Preferred Package
- Remote Start
- Sunroof/Moonroof
- Value Package
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History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
1 previous owner
Vehicle has one previous owner.
Pricing

Price increased
23 days at this dealership
Dealer

Dealer reviews
Dealer's description
EPA 26 MPG Hwy/22 MPG City! Moonroof, Heated/Cooled Seats, Nav System, Satellite Radio, Back-Up Camera, 4x4, Bed Liner, Hitch, WHEELS, 20 X 9 (50.8 CM X 22.9 CM) 6-SPOKE CARBON GREY PAINTED ALUMINUM, DRIVER ALERT PACKAGE I
KEY FEATURES INCLUDE
4x4, Heated Driver Seat, Cooled Driver Seat, Back-Up Camera, Satellite Radio. GMC AT4 with Onyx Black exterior and Jet Black with Kalahari accents interior features a Straight 6 Cylinder Engine with 355 HP at 5600 RPM*.
OPTION PACKAGES
AT4 VALUE PACKAGE includes (PDO) AT4 Preferred Package, (R3O) LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires, (PQB) Driver Alert Package, 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, SUNROOF, POWER, ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (277 hp [206.6 kW] @ 3750 rpm, 460 lb-ft of torque [623.7 N-m] @ 1500 rpm) Includes (KW5) 220-amp alternator and (K05) engine block heater.), 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. WHEELS, 20 X 9 (50.8 CM X 22.9 CM) 6-SPOKE CARBON GREY PAINTED ALUMINUM, 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 wireless 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.), SEATS, HEATED SECOND ROW OUTBOARD SEATS Standard on models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.), TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.) (STD).
A GREAT TIME TO BUY
Was $36,449. This Sierra 1500 is priced $4,400 below J.D. Power Retail.
Pricing analysis performed on 5/18/2026. Horsepower calculations based on trim engine configuration. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.
Additional Information
4-Wheel Disc Brakes,A/C,ABS,Adjustable Steering Wheel,AM/FM Stereo,Apple CarPlay,Auto-Dimming Rearview Mirror,Auxiliary Audio Input,Back-Up Camera,Bed Liner,Blind Spot Monitor,Bluetooth,Bucket Seats,Climate Control,Cross-Traffic Alert,Cruise Control,Daytime Running Lights,Diesel Fuel,Driver Adjustable Lumbar,Driver Air Bag,Floor Mats,Fog Lamps,Four Wheel Drive,Front Head Air Bag,Front Side Air Bag,Heated Mirrors,Heated Seats,Heated Seats,Heated Seats,Heated Steering Wheel,Keyless Entry,Keyless Start,Leather Steering Wheel,Locking/Limited Slip Differential,Mirror Memory,MP3 Player,Multi-Zone A/C,Navigation System,Pass-Through Rear Seat,Passenger Adjustable Lumbar,Passenger Air Bag,Power Door Locks,Power Driver Seat,Power Mirror(s),Power Outlet,Power Passenger Seat,Power Steering,Power Windows,Privacy Glass,Rear Defrost,Rear Head Air Bag,Rear Parking Aid,Remote Start,Satellite Radio,Seat Memory,Security System,Sliding Rear Window,Smart Device Integration,Stability Control,Steering Wheel Audio Controls,Straight 6 Cylinder Engine,Sunroof / Moonroof,Sunroof / Moonroof,Telematics,Tire Pressure Monitor,Tires - Front All-Season,Tires - Front All-Terrain,Tires - Rear All-Season,Tires - Rear All-Terrain,Tow Hitch,Tow Hooks,Traction Control,WiFi Hotspot
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Vehicle information is provided by the seller or other third parties; CarGurus is not responsible for the accuracy of such information. Price may exclude certain taxes, fees, and/or charges. See seller for details.







