The MG 4 should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 385km 4WD XPower: 4287 mm; 2025 520km RWD Luxury Extended Range: 4287 mm; 2025 435km RWD Luxury: 4287 mm; 2025 385km 4WD XPower: 1836 mm; 2025 520km RWD Luxury Extended Range: 1836 mm; 10 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.