History
Who designed the E-Type?
Malcolm Sayer is the usual answer, and it is right as far as it goes. The fuller answer involves three men and a way of working that no longer exists.
Malcolm Sayer, the body
Sayer joined Jaguar in 1951 from the aircraft industry and had already shaped the C-Type and D-Type before the E-Type. He was an aerodynamicist by training and by description, and his method was mathematical: surfaces derived from calculation and wind-tunnel reasoning rather than sketched by eye and refined afterwards. The E-Type's form follows from that, and its consistency is the reason it still reads as coherent from every angle.
William Lyons, the judgement
Lyons founded the company and held final authority over how a Jaguar looked. He worked by eye, in front of full-size mock-ups, and his instinct for proportion is the quality most often credited to Jaguar as a marque. Sayer's calculation and Lyons's eye were not in competition. The E-Type shows both.
William Heynes, the engineering
Heynes was Jaguar's chief engineer and led the work that made the shape possible: the monocoque centre section inherited from the D-Type, the front frame carrying the XK engine, and the independent rear suspension that gave the car its ride. He had also been central to the XK engine itself, developed in the 1940s with Walter Hassan and Claude Baily, and covered on the XK engine page.
The Ferrari quotation
Enzo Ferrari is said to have called the E-Type the most beautiful car ever made. The line is repeated in almost every account of the car, and a primary source for it is hard to find. This archive treats it as attributed rather than documented, and notes that the reception the car actually received in 1961 is well recorded and needs no help. That reception is covered on The Car.
Common questions
Who designed the Jaguar E-Type?
Malcolm Sayer is the name usually given, and he was responsible for the body shape. He worked under William Lyons, who had final authority over how a Jaguar looked, and alongside William Heynes, who led the engineering. The car is the product of all three rather than of one designer.
Was Malcolm Sayer a stylist?
No. He described himself as an aerodynamicist and came to Jaguar from the aircraft industry. He worked in calculated curves rather than freehand drawings, which is part of why the E-Type's surfaces resolve so cleanly. Calling him a stylist misdescribes both the man and the method.
Did Enzo Ferrari call the E-Type the most beautiful car in the world?
It is very widely attributed to him and very poorly sourced. This archive records it as an attribution rather than a documented quotation. Nothing about the car depends on whether it is true.
Who designed the XK engine used in the E-Type?
The twin-cam XK six predates the E-Type and was developed at Jaguar in the 1940s by a team including William Heynes, Walter Hassan and Claude Baily. It first appeared in the XK120. The engine has its own page in this archive.