The Volkswagen Touareg should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 3.0T R-Line: 4878 mm; 2025 3.0T R-Line: 1984 mm; 2025 3.0T R-Line: 1717 mm; 2025 3.0T R-Line: 2899 mm; 2025 3.0T R-Line: 5. 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.