The BMW iX2 should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 xDrive30 Basic line: 4554 mm; 2025 xDrive30 Basic line: 1845 mm; 2025 xDrive30 Basic line: 1590 mm; 2025 xDrive30 Basic line: 2692 mm; 2025 xDrive30 Basic line: 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.