Similarities?

The one on the left has a full race tune E type 4.2 litre six cylinder engine developing 400 bhp.
The one on the right has a 4.0 litre six cylinder engine developing 400 ps.
The one on the left is a hand built aluminium bodied replica of the Le Mans D type of 1956. It is fitted will all Jaguar running gear.
The one on the right is a Porsche.
The Jag is faster……and 75 years older.