It seems unfeasible to me that between 1948 and 1996 Jaguar and Daimler introduced just five new engine families; the XK, 2.5 V8, V12, AJ6 and AJV8. Most mainstream manufacturers have that many engines in production at any one time.
By sheer coincidence, I’ve driven five different cars with these engines recently and what this quintet revealed is Jaguar clearly didn’t need anything else, that for almost five decades, they were enough for every application,
