GMC Sierra 2026 Automatic Gasoline 4WD New GMC Sierra 2026 Available at Al-Sifeer Al-Hadith Company All banks cash and installments Customs card, tax invoice Sierra 2026 HD Single cabin, brand new Black color Specifications 8-cylinder engine, 6.6 liter 10-speed automatic transmission Digital dashboard Screen Radar LED exterior and interior Fabric seats Two-piece tailgate 18-inch rims Smart entry Push start Remote start Sales Mohamed Mahdi 0507610789