GMC Sierra اليفيشن 2026 Automatic 4WD Saudi agent Zeros 8-cylinder 5.3 cc engine Automatic 18-inch rims LED lights Steel bumper Smart entry Smart start Fabric seats Electric windows Electric mirrors Blind spots Cruise control Electric parking brake For contact, cash and banks: ( Phone number appears when clicking the contact button ) For contact, cash and banks (Mobile number appears when you press the contact button)