2026 GMC SIERRA 2500HD AT4

2026

12,968 mi

1GT4UPEY8TF177359

Used

P6986

The 2026 GMC Sierra 2500HD AT4 represents a sophisticated choice for buyers seeking a capable heavy-duty truck built for work and refined living. This one-owner vehicle has a clean Carfax with no accident history, offering the confidence that comes with transparent ownership.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- 4WD with 2-Speed Active Transfer Case and Hill Descent Control- X31 Off-Road Package with off-road suspension and exhaust brake- Bose Premium 7-Speaker Sound System with SiriusXM 360L and Apple CarPlay/Android Auto- Heated and ventilated leather front seats with 10-way power adjustment and lumbar support- Heated rear outboard seats with split-folding rear seat- HD Surround Vision with bed view camera and trailer camera provisions- Advanced safety suite: automatic emergency braking, lane departure warning, rear cross traffic alert- Wireless charging and wireless phone projection- 20" high gloss black aluminum wheels with spray-on bedliner featuring GMC logo- Ultrasonic front and rear park assist with hitch guidance- Remote vehicle starter system with keyless open and start- 120-volt bed-mounted and instrument panel power outletsThe Sierra 2500HD AT4 combines professional-grade capability with premium interior appointments. The powerful Duramax diesel engine delivers the torque needed for serious hauling, while the 10-speed automatic transmission ensures smooth, efficient power delivery across varied driving conditions. The 2-speed active transfer case provides flexibility for both highway driving and off-road terrain.Inside, the carefully appointed cabin reflects GMC's commitment to comfort during long workdays or weekend adventures. The heated and ventilated front seats with memory functions accommodate all-day comfort, while the Bose audio system and dual-zone automatic climate control create a refined environment. Wireless charging and smartphone integration keep modern conveniences within reach.Safety and visibility receive particular attention throughout this truck's design. The HD surround vision system with multiple camera angles, combined with automatic emergency braking, forward collision alert, and rear cross traffic detection, provides comprehensive awareness in challenging situations. The ultrasonic parking assist system helps navigate tight spaces with confidence.The AT4 package emphasizes off-road readiness with hill descent control, off-road suspension tuning, and integrated trailering technology that includes hitch guidance and in-vehicle camera monitoring. The spray-on bedliner and premium floor liners protect your investment while standing up to demanding use.This white 2026 Sierra 2500HD AT4 delivers capable performance, advanced technology, and genuine refinement in one comprehensive package. We invite you to experience the commanding presence and versatile capability this truck brings to your daily driving. Engine: Duramax 6.6L V8 Turbodiesel

0.01 l

Diesel

Yes

Automatic

10 Spd

4x2

Single

Class 3: 10,001 - 14,000 pounds

10,850 lb

158.9 in

Left Hand Drive

Summit White

250.7 in

81.9 in

79.8 in

7,378 lb