The Lexus NX should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 350 F Sport: 4660 mm; 2025 350h Luxury: 4660 mm; 2025 250 Luxury: 4660 mm; 2025 350 F Sport: 1865 mm; 2025 350h Luxury: 1865 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.