Used 2021 Gmc Sierra 1500 AT4

$44,995

Financing as low as $735 per month.

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Key Features

Mileage

70,689

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

Automatic

Fuel Type

Diesel

MPG

22 / 26

Color

Dark Sky Metallic / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

Bi

Billion Southtown

47025 SD-44

Worthing, SD 57077

By submitting this form, you agree to be contacted by the seller.

Dealer Description

Experience premium capability and rugged refinement with this one-owner 2021 GMC Sierra 1500 AT4 4WD. Designed for those who want luxury without sacrificing performance, this full-size pickup combines off-road readiness with upscale amenities and advanced technology. With 70,689 miles, this Sierra AT4 stands out with its bold gray exterior and luxurious leather interior, making every drive both powerful and comfortable. Under the hood, you’ll find the impressive 3.0L I6 Duramax Turbo-Diesel engine, delivering exceptional torque, smooth acceleration, and remarkable efficiency for a truck of its size. Paired with GMC’s proven 4WD system, this Sierra is ready to tackle any road or trail with confidence. The ProGrade Trailering Package and Towing/Camper Package further equip you for serious hauling, while the GMC MultiPro Tailgate provides unmatched flexibility for loading, unloading, and working on the go. The AT4 trim envelops you in premium comfort and cutting-edge convenience. Enjoy key features such as power windows, power door locks, and a power driver’s seat for personalized comfort. The Bose premium stereo system delivers a crisp, immersive audio experience complemented by steering wheel-mounted audio controls, so you stay connected and entertained without distraction. Technology and safety are at the forefront of the Sierra AT4’s design.

Features & Options

  • Adaptive Cruise Control
  • Bluetooth®
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Automatic High Beams
  • Emergency Brake Assist
  • Lane Departure Warning
  • Lane Keep Assist
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Turbo Charged Engine
  • Premium Sound System

Vehicle History Report

VIN: 1GTU9EET7MZ233737

Check this vehicle's history for accidents, service records, ownership, and more.

Seller Details

Listed 11/5/2025

View original listing
Bi

Billion Southtown

47025 SD-44

Worthing, SD 57077

Phone

605-937-6410

Location

Contact Seller

Bi

Billion Southtown

47025 SD-44

Worthing, SD 57077

By submitting this form, you agree to be contacted by the seller.

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