Mini says the Hardtop 4-Door has room for three passengers in the backseat, but the middle seat is so narrow that not even the skinniest kid on your block could fit in that seat.The bolstered rear seats worked well with our high-back booster, holding it snugly in place.There was no need to move the front passenger seat forward to accommodate the rear-facing convertible. The convertible car seat in both rear- and forward-facing modes installed easily and fit well in the Hardtop 4-Door.

Three tether anchors are placed midway down the seatbacks. They sit behind hinged plastic covers and are easy to use. There are two sets of lower Latch anchors in the outboard rear seats.How many car seats fit in the second row? Two With 1.5 inches of extra rear legroom, the Hardtop 4-Door performed surprisingly well in our Car Seat Check. That additional length means there’s extra space in the Hardtop 4-Door’s backseat and cargo area. The Mini Hardtop 4-Door is a new offering for 2015 that’s roughly 6 inches longer than the Hardtop 2-Door. This Mini is surprisingly mighty when it comes to child-safety seats.

Mini cooper car seat check