The familiar 'D fronted' or Bullnose radiator gave way to the flat-fronted radiator with the appearance of the 1927 season cars (now generally referred to by old car enthusiasts as 'Flatnose').

With the new radiator came a redesigned chassis with an upswept rear end to accommodate the under-slung semi-elliptic springs.

The same basic 'Hotchkiss type' of engine continued on from the Bullnose of previous years in 11.9 h.p. And 13.9 h.p. forms as applicable. Wheels of the artillery type differed in size and design, the Cowley had three stud wheels while the Oxford had five stud fixings.

Oxford bodies with a taller radiator than the Cowley, had a styling line which ran the whole length of the car body starting at the bonnet. Boxed type mudguards were fitted until 1929 season when a pressed rounded design was introduced. No 4-cylinder Oxford cars were made after the end of the 1929 season although a small number of remaining stocks were sold as 1930 models.