R8 Coup� 4.2 FSI quattro (2007-2012) R8 Coup� 5.2 FSI quattro (2009-2012) BMW i8 Concept
The Audi R8 was initially equipped with a 4.2 litre V8 engine. Specifically, it is an all-aluminium alloy 32-valve (four valves per cylinder)petrol engine,
utilising Fuel Stratified Injection (FSI), 9] and has a displacement of 4,163 cubic centimetres (254.0 cu in). 9] It develops amotive power output of 420 metric horsepower (309 kW; 414 bhp) (Directive 80/1269/EEC), 9] and generates 430 newton metres (317 lbf�ft) of torque, 9]
on 98 RON 'Super Unleaded' petrol. It is basically the same engine used in the Audi B7 RS4, ump lubrication system. It uses two chain-driven double overhead camshafts (DOHC) per cylinder bank, and utilises variable valve timingfor both inlet and exhaust camshafts.
The 4 wheel drive system is biased towards the rear; it sends 30% of its power to the front wheels and 70% to the rear.
Audi AG unveiled the Audi R8 V10 on 8 December 2008. 21] It uses a 5.2 litre FSI engine, 9] based on the unit in the Lamborghini GallardoLP560-4 (which in turn was based on the 5.2 FSI V10 as used
in the Audi C6 S6 and Audi D3 S8), but is re-tuned to produce a power output of 532 metric horsepower (391 kW; 525 bhp), and generate 530 newton metres (391 lbf�ft) of torque. 9] 10] Compared to the V8 variant, the R8 V10's performance numbers are enhanced. Audi states the new 0 to 100 kilometres per hour (0.0 to 62.1 mph) time as only 3.9 seconds, 9] 60 to 124 miles per hour
(97 to 200 km/h) in 8.1 seconds, and a top speed of 316 kilometres per hour (196.4 mph). 9]Other changes to the
V10 version of the R8 include some aesthetic differences: such as all-LED headlights (a world-first), 9] interior enhancements such as Bang & Olufsen 465 watt sound system, 9] and a more aggressive body styling, 22] larger rear brakes and different wheels
Although it was rumoured by the automotive press since the announcement of the production R8 in 2006, it was only in August 2008 that spy shots of a convertible R8 "Spider" from filming scenes of the movie Iron Man 2 were published online. The photos showed a clearly visible "soft-top" roof, and the distinctive "sideblade" had been removed. 23] The vehicle was formally unveiled at the 2009 Frankfurt Motor Show. 24] Compared with the coup� model, the convertible will have extra chassis support, a pair of roll-over safety bars, as well as minor changes such as the location of the fuel filler. It will be powered by the uneven firing 5.2 FSI V10 engine. citation needed]
German model launch began in first quarter of 2010, with sales started in the coming days. 25]
UK model was sold for �111,955 OTR.
