The Volvo XC90 PHEV should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 2.0T 77km Ultra: 4953 mm; 2025 2.0T 77km Ultra: 1931 mm; 2025 2.0T 77km Ultra: 1767 mm; 2025 2.0T 77km Ultra: 2984 mm; 2025 2.0T 77km Ultra: 7. 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.