Mazda 3s can fit up to 2 large luggage at the back. Back seats can also be folded down to fit approximately 2 more large luggage Related ArticlesHow much luggage can I fit in a car?How do I fold down the back seats in the Toyota Sienta?How do I fold down the seats in the Hyundai Venue?How do I fold down the seats in the Hyundai IONIQ Hybrid?How do I fold down the seats in the Toyota Harrier?