GMC makes the 3.0-liter Duramax turbodiesel inline-6 standard equipment on the Sierra 1500 AT4X trim, adding a second engine choice to the off-road truck.
2022 GMC Sierra Limited Denali Gets Option Package Rename gmauthority.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gmauthority.com Daily Mail and Mail on Sunday newspapers.
2021 GMC Sierra 1500 panow.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from panow.com Daily Mail and Mail on Sunday newspapers.