The Hyundai IONIQ 5 should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2026 430km 4WD Max: 4635 mm; 2026 384km RWD Plus: 4635 mm; 2026 384km RWD Lite: 4635 mm; 2026 430km 4WD Max: 1890 mm; 2026 384km RWD Plus: 1890 mm; 10 more variants. Wheelbase and seating matter most day to day because they influence rear-seat comfort, child-seat friendliness and how relaxed the car feels on longer trips.