Spyder
On July 1, 2010 Autocar reported that Audi has added the 4.2 FSI V8 engine to the R8 Spyder range. The 434 PS (319 kW; 428 bhp) (up 14 bhp on coupé), 430 newton metres (317 ft·lbf) unit now completes the R8 Spyder range alongside the launch V10 powerplant. It has a 0-62 mph (0–100 km/h) time of 4.8sec and will go on to reach a top speed of 185 mph (299 km/h). The engine is available with Audi's R tronic sequential manual gearbox. Like the V10 model, the V8 Spyder features an aluminium spaceframe with carbon composites and an automatic retractable folding cloth roof.
[edit]5.2 V10
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[edit]Coupé
AUDI AG unveiled the Audi R8 V10 on 9 December 2008. It uses a 5.2 litre FSI engine,[4] based on the unit in the Lamborghini Gallardo LP560-4 (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 525 metric horsepower (386 kW; 518 bhp), and generate 530 newton metres (391 ft·lbf) of torque.[4][5]Compared to the V8 variant, the R8 V10's performance numbers are enhanced. Audi states the new 0 to 100 kilometres per hour (0 to 62.1 mph) time as only 3.9 seconds,[4] 60 to 124 miles per hour (97 to 200 km/h) in 8.1 seconds, and a top speed of 317 kilometres per hour (197.0 mph).[4]Other changes to the V10 version of the R8 include some aesthetic differences: such as all-LED headlights (a world-first),[4] interior enhancements such as Bang & Olufsen 465 watt sound system,[4] and a more aggressive body styling,[20] larger rear brakes and unique roadwheels.[4] It was initially thought that this version of the R8 was going to have the same engine as the C6 Audi RS6, a 5.0 litre V10 TFSI twin-turbo engine, which produces 580 metric horsepower (427 kW; 572 bhp). However, some components of the twin-turbo system overheated, and one prototype was destroyed by fire at the Nürburgring.[21] This model was shown at the 2009International Auto Show
[edit]Spyder
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, which included a "soft-top" roof is clearly visible, and the unique sideblade has been removed.[22] The vehicle was unveiled in 2009 Frankfurt Motor Show.[23] Compared with the coupé 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 tank filler. It will be powered by a 5.2FSI V10 engine.
[edit]GT
Released in May 2010 the £142,585 R8 GT is the fastest Audi to date. The curb weight has been reduced by 100 kg (220 lb) to 1,525 kg (3,362 lb). The power from the V10 FSI has also been increased to 560 PS (412 kW; 552 bhp) which gives the car 367 PS (270 kW; 362 bhp) per ton. Because of these changes the R8 GT has a top speed of 199 mph (320 km/h) and goes from 0-60 in 3.6 seconds, 0.3 faster than the R8 V10. The car also features some visual changes including red brake caliper covers, a fixed rear wing, front bumper mounted winglets and GT badges replacing the V10 ones. Only 333 Audi R8 GTs will be made and 33 will be sent to the UK, while 90 will be sent to the US.
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