The MINI Countryman BEV should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 432km SE: 4445 mm; 2024 432km SE: 4445 mm; 2025 432km SE: 1843 mm; 2024 432km SE: 1843 mm; 2025 432km SE: 1635 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.