GMC Pick up 2026 Automatic Gasoline GMC Sierra 2026 New Available at Al-Sifeer Al-Hadith Cars Company Cash and installments from all banks Customs card, tax invoice Sierra HD, single cabin, brand new 2026 Black color Specifications: 8-cylinder 6.6-liter engine 10-speed automatic transmission Screen Digital odometer Radar LED interior and exterior lighting Fabric seats Two-piece rear door 18-inch rims Smart entry Keyless start Remote start