Best baby car seat for in the back of a 3dr ford focus

Best baby car seat for in the back of a 3dr ford focus thanks?

Britax ISOFIX. This firm is the market leader in the UK and they have been making safety kit for a long time. ISOFIX seats clip onto staples in between the seat and back cushions. Much safer than a seat retained by a belt alone. See link and look for ISOFIX in the specification.