The JAECOO J7 PHEV should be practical enough for family use if its cabin layout suits your passengers. Useful size figures include 2025 1.5T 106km Standard: 2672 mm; 2025 1.5T 106km Standard: 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.