Used 2021 Gmc Sierra 1500 AT4

$37,523

Financing as low as $613 per month.

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Key Features

Mileage

79,085

Drivetrain

4WD

Engine

6.2L V8

Transmission

Automatic

Fuel Type

Gasoline

MPG

14 / 19

Color

Onyx Black / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

Gr

Gregg Young Chevrolet

2909 South Center Street

Marshalltown, IA 50158

Marshalltown, IA 50158

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

Dealer Description

Used 2021 GMC Sierra 1500 AT4 for sale in Atlantic, IA. Looking for a rugged, versatile pickup that combines power with refined style? The 2021 GMC Sierra 1500 AT4 stands out as a premium used truck designed to meet the demands of serious drivers and outdoor enthusiasts alike. With its commanding Onyx Black exterior and a sophisticated Jet Black interior accented with Kalahari details, this truck exudes both strength and refinement. Powered by a robust 6.2-liter V8 engine paired with a smooth 10-speed automatic transmission, it offers an impressive blend of performance and efficiency, with 14 mpg in the city and 19 mpg on the highway. Equipped with a 4WD system, the Sierra AT4 is engineered to handle tough terrains and challenging weather conditions, making it an ideal choice for those who seek capability without sacrificing comfort. With just under 80,000 miles, this used Sierra 1500 remains a reliable workhorse that delivers both power and style in a sleek, black-on-black package designed to turn heads and conquer any adventure. This 2021 GMC Sierra 1500 AT4 is more than just a pickup; it’s a statement of capability and luxury wrapped into one formidable package. Its bold exterior, finished in classic Onyx Black, complements the sophisticated interior, which features black accents for a modern, upscale feel. The truck’s 8-cylinder engine delivers the muscle needed for towing, hauling, or off-road exploration, while the advanced 10-speed automatic transmission ensures a smooth, responsive driving experience. Whether navigating city streets or tackling rugged trails, the Sierra AT4’s 4WD system provides confidence and control. Inside, drivers will appreciate the well-appointed Jet Black interior with Kalahari accents, offering a comfortable and refined environment for long drives or daily commutes. This used Sierra 1500 is a prime example of GMC’s commitment to durability, style, and performance, making it an excellent investment for anyone seeking a dependable yet luxurious pickup that’s ready to take on whatever lies ahead. Poised and powerful, our bold 2021 GMC Sierra 1500 AT4 Crew Cab Standard Box 4X4 has just what you need to conquer tough terrain in Onyx Black! Motivated by a 6.2 Liter EcoTec3 V8 offering 420hp to a 10 Speed Automatic transmission for robust strength on the road or off. This Four Wheel Drive truck also rides on a 2-inch factory lift kit with a trail-friendly suspension and Autotrac two-speed transfer case, and it scores nearly 20mpg on the highway with a confident design. Just check out the mighty grille, red recovery hooks, LED lighting, fog lamps, 18-inch alloy wheels, and the ProGrade Trailering System and six-way MultiPro tailgate for fantastic functionality. Our AT4 cabin is well equipped for action with leather heated/ventilated power front and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, keyless open/ignition, remote start, and 12V/120V power outlets. Stay connected on your next adventure with an 8-inch touchscreen, wireless Android Auto/Apple CarPlay, WiFi compatibility, Bluetooth, and a six-speaker sound system. GMC puts a high priority on your safety with StabiliTrak stability/traction control, trailer-sway control, hill-start assist, an HD backup camera, a rear-seat reminder, tire-pressure monitoring, ABS, and an array of airbags. Achieve more every day in our precisely engineered Sierra 1500 AT4. Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership!

Features & Options

  • Android Auto
  • Apple CarPlay
  • Automatic climate control
  • Backup camera
  • Bluetooth
  • Cooled seats
  • Heated seats
  • Heated steering wheel
  • Keyless entry

Vehicle History Report

VIN: 3GTP9EEL5MG413506

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

Seller Details

Listed 11/24/2025

View original listing
Gr

Gregg Young Chevrolet

2909 South Center Street

Marshalltown, IA 50158

Marshalltown, IA 50158

Phone

866-634-4792

Location

Contact Seller

Gr

Gregg Young Chevrolet

2909 South Center Street

Marshalltown, IA 50158

Marshalltown, IA 50158

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

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