The Hyundai IONIQ 6 N should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2026 487km Standard: 4935 mm; 2026 487km Standard: 1940 mm; 2026 487km Standard: 1495 mm; 2026 487km Standard: 2965 mm; 2026 487km Standard: 5. 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.