Used 2021 Gmc Sierra 1500 AT4

 51,675 miles
 Gas
 Bangor, ME

$43,977

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Key Features

Mileage

51,675 miles

Drivetrain

4WD

Engine

6.2L V8

Transmission

10 Speed Automatic

Fuel Type

Gas

MPG

16 / 21

Color

Summit White / Jet Black

Title

Clean

Contact Seller

Da

Darling's Used Vehicle Center

58 Sylvan Road

Bangor, ME 04401

Financing Available

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$744 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

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Dealer Description

This 2021 GMC Sierra 1500 AT4 Crew Cab 4x4 is built for drivers who want true off-road capability without giving up comfort, technology, or refinement. Finished in Summit White, the AT4's aggressive stance, factory lift, and bold detailing make it clear this truck is designed to go beyond the pavement and look good doing it. Under the hood, the 6.2L V8 delivers serious power and effortless acceleration, paired with a 10-speed automatic transmission that shifts smoothly whether you're cruising the highway or pulling hard under load. Four-wheel drive and a locking rear differential give this Sierra the confidence to handle snow, mud, gravel, and uneven terrain without hesitation. Inside, the AT4 blends toughness with upscale comfort. Heated and ventilated front seats, memory settings, premium materials, and a driver-focused layout make the cabin a place you'll appreciate on long drives or demanding workdays. The Crew Cab provides generous space for passengers and gear, making this truck as practical as it is capable. Technology is front and center, with a premium sound system, navigation, Apple CarPlay, Android Auto, wireless charging, Wi-Fi hotspot capability, and a backup camera. Advanced trailering and safety features work seamlessly in the background, helping you stay confident whether you're towing or heading off the beaten path. This Sierra AT4 isn't built for shortcuts. It's built for drivers who want power, presence, and real-world capability wrapped in a refined, professional package. From rough terrain to everyday driving, this truck is ready to lead from the front.

Features & Options

  • Bose Premium Audio System
  • Wireless Charging
  • Universal Home Remote
  • Rear sliding power window
  • Premium GMC Infotainment System with navigation and 8 diagonal color touch-screen
  • Heated front seats
  • Heated steering wheel
  • Power sunroof
  • Four wheel drive
  • Hitch Guidance with hitch view
  • Off-road AWD suspension
  • All-terrain tires and black black N/A tires.

Vehicle History Report

VIN: 3GTP9EEL9MG369347

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Seller Details

Listed 12/26/2025

View original listing
Da

Darling's Used Vehicle Center

58 Sylvan Road

Bangor, ME 04401

Phone

207-992-**** Show number

Location

Contact Seller

Da

Darling's Used Vehicle Center

58 Sylvan Road

Bangor, ME 04401

Financing Available

Pre-qualification takes just minutes. Compare multiple offers and save!

$744 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Get pre-qualified

Powered by MyAutoLoan.

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