Discover the 2024 GMC Sierra 2500HD AT4 Crew Cab at The Garage, Lubbock's top used car dealership for diesel pickups. This Onyx Black powerhouse combines a Duramax 6.6L Biodiesel Turbo V8 engine with an Allison 10-Speed Shiftable Automatic transmission, delivering an impressive 470hp and 975ft-lb of torque for your ultimate work truck needs. Experience unparalleled comfort with heated leather seats, Bluetooth connectivity, and remote start convenience. As part of our wholesale experience in custom trucks, this unique vehicle offers unmatched performance and style—truly the top automotive experience in Texas!