Aston Martin DB4: The Technologies
Aston Martin DB4 is provided with an aluminium 240-horsepower 6-cylinder 3.7-liter (3669 cubic centimeters) engine that features two overhead camshafts.

Aston Martin DB4: The History of the Model
Aston Martin DB4 was first introduced during London motor show and put on the market in 1959. There were 1185 cars produced all in all.