GMC Sierra SLE 2026 Automatic Gasoline 4WD GMC Sierra Double Cabin 2026 Customs card, Al Jomaih import, extended 5-year warranty. Cash and lease-to-own. 50/50 system with no interest for two years. Standard Engine: 5.3-liter V8 engine, producing 355 horsepower and 383 lb-ft of torque. Transmission: 10-speed automatic. Interior Design and Technologies: Screens: Standard 13.4-inch touchscreen infotainment system, and a 12.3-inch digital driver information center screen. Seats: Seats. Audio System and Connectivity: Supports OnStar connectivity system and is equipped with a built-in Wi-Fi package. Exterior Design and Practical Features: Exterior Appearance: Monochromatic design featuring a bright chrome front grille and body-colored bumpers. Wheels: Available aluminum wheels with distinctive designs and sizes up to 18 inches. Tailgate: Features a class-leading cargo capacity, with the option to add the MultiPro tailgate.