The prototype was first shown at the exhibition in Paris in 2008, and all the time it is almost entirely covered with canvas made by the famous custom clothing stores street Savile Row in Mayfair, London. The official debut is at the Geneva Motor Show in 2009, but even then the car is without interior and opaque glass. The first fully functional version is presented in the end of April 2009 at the competition d’Elegantsa Villa d’Este Concourse Lake Como in Italy, where it won the Design Award in the category of concept cars and prototypes, gathering 1/3 of the votes of visitors.
The chassis of the One-77 represents ultra-lightweight monocoque carbon fiber and the body is made of aluminum. The car is powered by a revised V12 engine used in the Aston Martin DB9, DBS and V12 Vantage as its volume has increased from 6 to 7.3 liters and power exceeds 700 hp. According to the manufacturer, the One-77 has a maximum speed of 320 km/h and accelerates from standstill to 60 mph (96 km/h) in 3.5 seconds. The drive is backlit and the gearbox is a six-speed robotized manual as gears rotate the wheel. The price of this car varies from 1.05 to 1.2 million pounds.