As for Mk II but with windows that wind, doors that lock and proper semi-elliptics at the back instead of those hoppity quarter-elliptics on earlier marks. Stronger bottom end on 1098cc engine, and an extra 3hp compensates for some of the extra weight, but you've still got the usual body rot problems.
- 1098cc (S4 OHV)
- Front engine, rear-wheel drive
- Production dates:
- 1964 to 1966
- Number produced: