GMC دينالي 2026 Automatic Gasoline 2026 2.5-liter 4-cylinder turbo. 328 horsepower. Approximately 442 Nm of torque. 8-speed automatic transmission. Seats and Space ... 3 rows of seats. Seats 7 passengers. Power-folding third-row seats. One-touch folding second-row seats. Luxury Features Premium leather seats. Front seat cooling and heating. Panoramic sunroof 8-inch Head-Up Display (HUD). Large 15-inch infotainment screen. OnStar system for 3 years. Multiple cameras and driving aids. More than 15 safety and driver-assist systems.