General Motors released the new 3.0L I6 LZ0 turbodiesel Duramax engine in conjunction with the launch of the 2023 Chevy Silverado 1500 and 2023 GMC Sierra 1500, offering more power and torque than the ...

General Motors has issued a new Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve. Owners may notice that their ...