Of all the designs emanating from the concise and fertile brain of the late Walter Owen Bentley, that quiet and retiring Engineer and Gentleman, the 4 cylinder 4½-litre (actually 4398 cc.) gave the fewest teething troubles and perhaps afforded him the maximum of personal satisfaction. It was also the favourite model of his regular racing drivers, who found it more flexible than the 3-litre, and who appreciated the inherent safety and stability given to it by its understeering characteristics...   Continued...