2021 GMC Sierra AT4
GMC Sierra Details
6 Cyl, 3.0L
SATIN STEEL METALLIC
4WD
Diesel
54,289 Miles
448272A
3GTU9EET1MG448272
1500
AT4
About This 2021 GMC Sierra
2021 GMC Sierra 1500 AT4 4WD — Diesel power, rugged capability, and comfort in Sidney MT. This pre-owned GMC Sierra AT4 pairs a fuel-efficient 6-cylinder 3.0L Duramax Turbo-Diesel with proven 4-wheel drive performance, giving you excellent torque for towing and confident handling on gravel roads or snowy Montana highways. The AT4 trim adds off-road-ready features: skid plates, an upgraded suspension, factory tow hooks, and a confident stance that blends utility with refined interior appointments.
Inside, enjoy comfortable seating, modern infotainment with smartphone integration, and a driver-focused layout designed for long hauls and daily driving alike. Safety and convenience features help make every trip easier, while the durable bed and class-leading towing capability make this GMC Sierra a true work-and-play truck.
Located in Sidney, MT, this GMC Sierra 1500 AT4 offers local pickup and test drives. We're advertising the best price on this model — great value compared to other listings in the region. Clean title, well-maintained, and ready for immediate delivery.
Act now to secure this dependable diesel 4x4 at a competitive price. Contact us to schedule a test drive in Sidney, MT, and see why the 2021 GMC Sierra 1500 AT4 is an ideal choice for drivers who need capability, comfort, and diesel efficiency.
Inside, enjoy comfortable seating, modern infotainment with smartphone integration, and a driver-focused layout designed for long hauls and daily driving alike. Safety and convenience features help make every trip easier, while the durable bed and class-leading towing capability make this GMC Sierra a true work-and-play truck.
Located in Sidney, MT, this GMC Sierra 1500 AT4 offers local pickup and test drives. We're advertising the best price on this model — great value compared to other listings in the region. Clean title, well-maintained, and ready for immediate delivery.
Act now to secure this dependable diesel 4x4 at a competitive price. Contact us to schedule a test drive in Sidney, MT, and see why the 2021 GMC Sierra 1500 AT4 is an ideal choice for drivers who need capability, comfort, and diesel efficiency.