2021 Gmc Sierra 1500 AT4

$32,499

Financing as low as $531 per month.

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ConditionUsedDrivetrain4WD
MakeGMCExterior ColorSummit White
ModelSierraInterior ColorJet Black With Kalahari Accents
Trim1500 AT4Body StyleTruck
Year2021Fuel TypeGasoline
Mileage135,000MPG16 / 21
Engine5.3L 8 CylinderTitleClean
Transmission10 Speed AutomaticVIN3GTP9EED9MG246978
ConditionUsed
MakeGMC
ModelSierra
Trim1500 AT4
Year2021
Mileage135,000
Engine5.3L 8 Cylinder
Transmission10 Speed Automatic
Drivetrain4WD
Exterior ColorSummit White
Interior ColorJet Black With Kalahari Accents
Body StyleTruck
Fuel TypeGasoline
MPG16 / 21
TitleClean
VIN3GTP9EED9MG246978

Dealer Description

The 2021 GMC Sierra 1500 AT4 is a rugged and refined full-size pickup that stands out in both performance and style. This truck is equipped with a 5.3L V8 engine, delivering impressive power and towing capabilities, making it an ideal choice for both work and play. The AT4 trim offers advanced off-road features such as a factory-installed 2-inch lift, skid plates, and Rancho shock absorbers, ensuring optimal handling on challenging terrains. Inside, the Sierra 1500 AT4 boasts premium features, including leather upholstery, an 8-inch touchscreen with GMC's infotainment system, and a suite of advanced safety technologies. Drivers can enjoy the convenience of wireless Apple CarPlay and Android Auto, providing seamless connectivity. The truck also includes a power-adjustable driver’s seat, dual-zone automatic climate control, and a premium sound system, offering comfort for long drives and tough jobs alike. For performance, the AT4 is equipped with an automatic transmission, delivering a smooth driving experience on both highways and rugged trails. With advanced 4WD capabilities and a locking rear differential, this truck is ready for any adventure. Whether hauling heavy loads, towing trailers, or navigating tough landscapes, the 2021 GMC Sierra 1500 AT4 is built to handle it all with ease and style.

Features & Options

    AWD

    Adaptive Cruise Control

    Android Auto

    Apple CarPlay

    Automatic Climate Control

    Backup Camera

    Bluetooth

    Fog Lights

    Lane Departure Warning

    Lane Keep Assist

    Parking Senses / Sensors / Options / Parking Suggests / Parking Suggests / Parking Suggests / Parking Sensors / Assist / Power Seats / Premium Audio / Remote Start / Side-Impact Air Bags / Technology Package / Tow Package / Wireless Phone Charging.

Vehicle History Report

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Price Analysis

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Listed 8/12/2025

Seller Address

Walt Massey Chevrolet

2127 E Washington St

Franklinton, LA

Franklinton, LA 70438

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