2026 GMC Sierra AT4
GMC Sierra Details
6 Cyl, 3.0L
SUMMIT WHITE
4WD
Diesel
0 Miles
348643
1GTUUEE82TZ348643
1500
AT4
Estimated Payment
$0 / month
About This 2026 GMC Sierra
2026 GMC Sierra 1500 AT4 4WD with 3.0L Diesel - located in Sidney, MT
The 2026 GMC Sierra 1500 AT4 brings a refined blend of capability and comfort to Montana roads. Powered by a 6-cylinder 3.0L Duramax diesel, this four-wheel-drive pickup delivers strong low-end torque for towing and hauling while providing excellent highway fuel efficiency. The AT4 off-road-tuned suspension, skid plates, and all-terrain tires give confidence on gravel, ruts, and trailhead access, making it ideal for outdoor enthusiasts and worksite demands alike.
Inside, the GMC Sierra AT4 balances rugged character with premium appointments: supportive seating, intuitive infotainment with smartphone integration, and driver-assistance features that enhance long drives and daily commutes. Practical cargo solutions and a durable bed liner help keep gear secure, while the available advanced trailering system simplifies hooking up trailers and monitoring loads.
Safety systems include adaptive cruise, lane-keeping assist, blind-spot monitoring, and automatic emergency braking-helping protect passengers and improve situational awareness in changing conditions. The cabin's quiet refinement complements the diesel's smooth torque delivery, creating a comfortable experience on extended trips across eastern Montana or through winter weather.
Located in Sidney, MT, this 2026 GMC Sierra 1500 AT4 4WD Diesel is ready for test drives and detailed inspections. Contact the lot to schedule a viewing and experience the truck's combination of diesel efficiency, off-road capability, and everyday practicality.
The 2026 GMC Sierra 1500 AT4 brings a refined blend of capability and comfort to Montana roads. Powered by a 6-cylinder 3.0L Duramax diesel, this four-wheel-drive pickup delivers strong low-end torque for towing and hauling while providing excellent highway fuel efficiency. The AT4 off-road-tuned suspension, skid plates, and all-terrain tires give confidence on gravel, ruts, and trailhead access, making it ideal for outdoor enthusiasts and worksite demands alike.
Inside, the GMC Sierra AT4 balances rugged character with premium appointments: supportive seating, intuitive infotainment with smartphone integration, and driver-assistance features that enhance long drives and daily commutes. Practical cargo solutions and a durable bed liner help keep gear secure, while the available advanced trailering system simplifies hooking up trailers and monitoring loads.
Safety systems include adaptive cruise, lane-keeping assist, blind-spot monitoring, and automatic emergency braking-helping protect passengers and improve situational awareness in changing conditions. The cabin's quiet refinement complements the diesel's smooth torque delivery, creating a comfortable experience on extended trips across eastern Montana or through winter weather.
Located in Sidney, MT, this 2026 GMC Sierra 1500 AT4 4WD Diesel is ready for test drives and detailed inspections. Contact the lot to schedule a viewing and experience the truck's combination of diesel efficiency, off-road capability, and everyday practicality.