The Kia Carnival S Diesel is the entry diesel Carnival people mover grade. Key buyer features include diesel efficiency, eight-seat practicality, sliding-door access, 12.3-inch infotainment display, Kia safety technology, smartphone connectivity and strong family transport value, so shoppers should compare Sport+ Diesel, Sport+, S Diesel, S, GT-Line Diesel and GT-Line based on powertrain, comfort equipment, technology and budget.