Specification changes from previous models included, fresh-air heater, repositioned tandem wiper spindles giving a greater screen sweep, zone-toughened windscreen, self-propping boot lid support, combined side/amber flashing lights, amber flasher added to larger fluted rear light unit on cars (traveller had extra round amber light at rear), near-side door on two-door saloon had key lock.

Changes after September 1964 include, two-spoke steering wheel, starter/ignition switch, oil filter warning light, individual swing-out ash trays under parcel shelf, new design sun-visors, plastic framed driving mirror, improved heating.

October 1967, basic models of the saloon and traveller had windscreen washers as standard fitting. Some late 1971 traveller models fitted with steering lock.