2021 GMC Sierra AT4
GMC Sierra Details
V8, 6.6L
4WD
Diesel
86,393 Miles
118882A
1GT49VEY4MF118882
3500
AT4
About This 2021 GMC Sierra
2021 GMC Sierra 3500 AT4 4WD — V8 6.6L Diesel, Sidney MT — Best Price!
Conquer tough jobs and off-road adventures with this rugged 2021 GMC Sierra 3500 AT4, equipped with a powerful V8 6.6L Duramax diesel and heavy-duty 4WD. Built for towing, hauling, and long highway runs, this GMC Sierra delivers exceptional torque, impressive fuel economy for its class, and rock-solid durability. The AT4 suspension and off-road-ready features provide confidence on rough Montana terrain, while the comfortable cabin keeps drivers relaxed on long hauls.
Key highlights:
- 6.6L V8 Duramax diesel for maximum torque and towing performance
- Four-wheel drive (4WD) for superior traction and control
- AT4 off-road package with upgraded shocks and terrain-capable hardware
- Spacious, comfortable interior designed for work and long trips
- Robust towing package and heavy-duty chassis for demanding loads
Located in Sidney, MT, this GMC Sierra 3500 AT4 is competitively priced — offering the best price for a diesel heavy-duty truck in the area. Whether you need a dependable work truck, a capable tow rig, or a weekend off-roader, this GMC Sierra blends rugged capability with refined comfort. Don't miss the chance to own a diesel powerhouse at the best price in Sidney. Contact today to schedule a viewing or test drive and experience the strength and capability of this 2021 GMC Sierra 3500 AT4.
Conquer tough jobs and off-road adventures with this rugged 2021 GMC Sierra 3500 AT4, equipped with a powerful V8 6.6L Duramax diesel and heavy-duty 4WD. Built for towing, hauling, and long highway runs, this GMC Sierra delivers exceptional torque, impressive fuel economy for its class, and rock-solid durability. The AT4 suspension and off-road-ready features provide confidence on rough Montana terrain, while the comfortable cabin keeps drivers relaxed on long hauls.
Key highlights:
- 6.6L V8 Duramax diesel for maximum torque and towing performance
- Four-wheel drive (4WD) for superior traction and control
- AT4 off-road package with upgraded shocks and terrain-capable hardware
- Spacious, comfortable interior designed for work and long trips
- Robust towing package and heavy-duty chassis for demanding loads
Located in Sidney, MT, this GMC Sierra 3500 AT4 is competitively priced — offering the best price for a diesel heavy-duty truck in the area. Whether you need a dependable work truck, a capable tow rig, or a weekend off-roader, this GMC Sierra blends rugged capability with refined comfort. Don't miss the chance to own a diesel powerhouse at the best price in Sidney. Contact today to schedule a viewing or test drive and experience the strength and capability of this 2021 GMC Sierra 3500 AT4.