Experience the 2026 GMC Sierra 2500HD AT4 in Titanium—where rugged capability meets refined comfort for demanding drivers who tow, haul, and conquer every terrain with confidence.
Powered by a Duramax 6.6L V8 turbodiesel engine paired with a smooth 10-speed automatic transmission, this Sierra 2500HD delivers exceptional torque and power for heavy-duty towing and hauling. The four-wheel-drive system combined with a locking limited-slip differential ensures maximum traction on any surface, while integrated tow hooks and a factory-installed tow hitch make trailering effortless.
Inside, premium leather bucket seats with heating, cooling, and adjustable lumbar support keep you comfortable during long hauls. The driver and passenger benefit from seat memory and power adjustments, while rear heated seats add extra comfort for passengers. Advanced safety features like blind spot monitoring, lane departure warning, front collision mitigation, and an aerial view display system provide peace of mind on every journey.
Convenience is enhanced with keyless entry, remote engine start, power folding mirrors, and an integrated tailgate step for easy bed access. Aluminum wheels, running boards, and a durable bed liner complete this tough yet sophisticated package. The Sierra 2500HD AT4 is built for drivers who demand power, technology, and comfort in one commanding truck.
Be sure to call or visit Stonebriar Chevrolet to discover more. Your new favorite vehicle awaits - don't let someone else drive it home!
