==Design==A potential open-wheeled Aston Martin racing car had been discussed as early as 1955, and a hastily-constructed prototype was tested in the Australian and New Zealand races in early 1956, driven by Reg Parnell.
Aston Martin DBR4/250 (bolje poznan le kot DBR4) je dirkalnik Formule 1 Aston Martina, ki ga je zasnoval Ted Cutting.