The Aston Martin DB9 is a grand tourer first shown by Aston Martin at the 2003 Frankfurt Auto Show. Available both as a coupe and a convertible known as the Volante, the DB9 was the successor of the DB7 and was the first model built at Aston Martin's Gaydon facility.
The DB9 was initially launched equipped with a 6.0L V12 engine, originally taken from its sister car, the V12 Vanquish. The engine provides 569 N·m (420 lbf·ft) of torque at 5,000 rpm and a maximum power of 456 PS (450 hp) at 6,000 rpm. The DB9 can accelerate from 0 to 100 km/h (62.1 mph) in 4.7 seconds and has a top speed of 299 km/h (186 mph). The engine largely sits behind the front-axle line to improve weight distribution.
Changes to the engine for the 2013 model year increased the horsepower to 517 PS (510 hp) and torque to 620 N·m (457 lbf·ft). The car's 0 to 100 km/h (62.1 mph) time decreased to 4.1 seconds and the new top speed is 295 km/h (183 mph).
The DB9 can be equipped with either a six-speed conventional manual gearbox from Graziano or a six-speed ZF automatic gearbox featuring paddle-operated semi-automatic mode. The automatic gearbox increases the 0 to 100 km/h (62.1 mph) time to 4.9 seconds, though the top speed remains the same. The gearbox is rear-mounted and is driven by a carbon-fiber tail shaft inside a cast aluminum torque tube.
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