The Aston Martin Vantage should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 4.0T Roadster: 4495 mm; 2025 4.0T Coupe: 4495 mm; 2025 S 4.0T Roadster: 4495 mm; 2025 S 4.0T Coupe: 4495 mm; 2025 4.0T Roadster: 1980 mm; 15 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.