The BMW M2 should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 M Model: 4580 mm; 2025 M Model: 1887 mm; 2025 M Model: 1403 mm; 2025 M Model: 2747 mm; 2025 M Model: 4. 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.