The McLaren 750S should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2023 4.0T Spider: 4569 mm; 2023 4.0T Coupe: 4569 mm; 2023 4.0T Spider: 1930 mm; 2023 4.0T Coupe: 1930 mm; 2023 4.0T Spider: 1196 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.