Mk X updated with a synchronized first for manuals, the latest 4.2 engine, and the vastly superior Marles-Varamatic power steering. Only 18 limousines made. Better than a 3.8, but still on the large and heavy side for the enthusiast, as a 17 footer weighing 4200lb.
- 4235cc (S6 DOC)
- Front engine, rear-wheel drive
- Production dates:
- 1964 to 1966
- Number produced: