Prior to the One-77’s Paris Motor Show debut, various details about the car were revealed, but official specifications were not fully revealed until the 2009 Geneva Motor Show.
The One-77 features a full carbon fibre monocoque chassis, a handcrafted aluminium body, and a 7.3 L; 446.2 cu in (7,312 cc) DOHC 4 valves per cylinder V12 engine with Variable Valve Timing rated at 559 kW (760 PS; 750 hp) at 7,500 rpm and 750 N⋅m (553 lb⋅ft) of torque at 5,000 rpm. Aston Martin claimed the engine to be the most powerful production naturally aspirated engine in the world when the first car was delivered.
The car utilises a strengthened version of the DB9’s 6-speed automated manual transmission and height-adjustable pushrod suspension coupled with dynamic stability control. The One-77 features Pirelli P Zero Corsa tyres (255/35 ZR20 front, 335/30 ZR20 rear) and Carbon Ceramic Matrix brakes.
The top speed was estimated to be 350 km/h (220 mph) but actual tests in December 2009 showed a figure of 354.067 km/h (220.007 mph),[9] with a 0–97 km/h (60 mph) acceleration time of approximately 3.5 seconds.
The engineering and manufacturing of the carbon fibre chassis and suspension system was contracted to Multimatic of Canada. The projected weight was 1,500 kg (3,307 lb),[10] but the production model weighs 1,630 kg (3,594 lb).
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