The BMW iX should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 xDrive60 M Sport Pro: 4965 mm; 2025 xDrive45 Sport: 4965 mm; 2025 xDrive60 M Sport Pro: 1970 mm; 2025 xDrive45 Sport: 1970 mm; 2025 xDrive60 M Sport Pro: 1695 mm; 5 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.