The Hyundai IONIQ 6 should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2026 519km 4WD Max: 4855 mm; 2026 614km RWD Max: 4855 mm; 2026 429km RWD Plus: 4855 mm; 2026 429km RWD Lite: 4855 mm; 2026 519km 4WD Max: 1880 mm; 15 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.