Sierra 1500

Spider

AWD4WD

6-Cylinder Turbo

Diesel

2021 GMC Sierra 1500 AT4 ; 4WD ; 3.0L Duramax Diesel ? 40,413 Miles Experience capability and refinement with this 2021 GMC Sierra 1500 AT4, a rugged yet refined full-size pickup ready for work or weekend adventures. Powered by a fuel-efficient 3.0L Duramax inline-6 diesel and paired with four-wheel drive, this GMC Sierra delivers strong torque, impressive towing capacity, and excellent highway fuel economy. With just 40,413 miles, it shows minimal wear and offers dependable performance for years to come. The AT4 trim brings off-road-focused features including an elevated suspension, skid plates, all-terrain tires, and an aggressive exterior appearance. Inside, the cabin balances comfort and utility with premium seating, modern infotainment with touchscreen display, Apple CarPlay and Android Auto compatibility, and a suite of driver assistance technologies to enhance safety on every drive. This GMC Sierra 1500 is located in Sidney, MT, making it an ideal choice for buyers in eastern Montana and neighboring regions who need a capable 4WD truck suited to varying terrain and climates. Priced competitively, this vehicle represents the best price available for comparable diesel GMC Sierra AT4 models in the area. Schedule a test drive to evaluate its towing performance, ride quality, and diesel efficiency firsthand. Financing options and vehicle history are available upon request.

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package Sidney MT 59270

AT4 Premium Package

Technology Package

Driver Alert Package II

AT4 Carbonpro Edition

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Finance with Gem City Motors

Warranty

Credit Report

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Some vehicles may be subject to manufacturer safety recalls. See if there are any open safety recalls for this vehicle. This does not include non-safety recalls. Recently announced safety recalls may not yet be posted and there may be a delay between the time a repair is made and before it is reported or posted to the website. Before purchasing, be sure to ask the seller for an up-to-date status on any recalls.

No recall found based on AutoCheck report.

Automatic

Gem City Motors

Columbus OH

 for sale in Sidney, MT. Learn more about this vehicle.

Used 2021 GMC Sierra 1500 AT4 w/ AT4 Premium Package for sale in Sidney, MT 59270: Truck Details - 763537288 | Kelley Blue Book