The DBRS9 features several modifications to the standard DB9. With developments including a full race specification roll-cage and a tuned version of the 5.9-litre V12 engine to bring output up to Шаблон:Convert and Шаблон:Convert. Other modifications include carbon fiber body panels (excluding roof), polycarbonate side and rear windows and a stripped out interior in order to drop weight by Шаблон:Convert. These enhancements bring the DBRS9's power output up to 430 bhp/tonne. The DBRS9 has a 0 to Шаблон:Convert time of 3.4 seconds and a top speed of Шаблон:Convert.
The car also features uprated suspension with a lowered ride height and stiffened racing springs. The DBRS9 has also been fitted with a close-ratio racing gearbox in either 6-speed fully manual or an upgraded sequential manual form.
The DBRS9 is open to customers through Aston Martin Racing and Prodrive at a price of approximately £175,000 without optional extras and taxes. The car is a bridge between the highly expensive, fully race specification GT1 Aston Martin DBR9 and the standard DB9 road car.