The BMW iX1 should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 eDrive20 M Sport: 4500 mm; 2025 eDrive20 M Sport: 1845 mm; 2025 eDrive20 M Sport: 1616 mm; 2025 eDrive20 M Sport: 2692 mm; 2026 eDrive20L M Sport: 5; 1 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.