Experience unmatched capability and refined comfort with the 2022 GMC Sierra 1500 AT4 Diesel 4x4 Crew Cab, designed for drivers who demand power and sophistication. Built to tackle tough terrains and heavy-duty tasks, this Sierra 1500 AT4 features a robust turbocharged straight 6-cylinder diesel engine paired with a smooth 10-speed automatic transmission, delivering impressive torque and fuel efficiency. Its advanced four-wheel-drive system and locking limited-slip differential ensure confident
