Upgrades included carbon fibre wheels, enhanced aerodynamics, and engine upgrades allowing the Agera R's twin-turbo V8 engine to have a power output of 1,140 PS (1,124 hp 838 kW) at 7,100 rpm and 1,200 N⋅m (885 lb⋅ft) of torque at 4,100 rpm on E85 biofuel.
The 2013 version of the Agera R premiered at the 2012 Geneva Motor Show. The Agera R can produce lateral cornering forces of 1.60 G, due to a combination of mechanical balance and high levels of grip from the specially developed Michelin Supersport tyres.
KOENIGSEGG AGERA RS DRIVER
The braking performance required to maintain this record is enabled in part by the Agera's stability, demonstrated by Koenigsegg test driver and drivetrain technician Robert Serwanski, who was recorded by passenger Rob Ferretti (founder of the group "Super Speeders") braking from 300 km/h to 0 without holding the steering wheel. On 2 September 2011, during test sessions in Ängelholm, the Agera R broke six world land speed records for a production car, including 0–300 km/h (0–186 mph) in 14.53 seconds, and 0–300–0 km/h in only 21.19 seconds. Furthermore, the pylons holding the wing play not only a role in the Agera R's aerodynamic performance, but also assist in extracting hot air from the engine bay. This adaptive rear wing system is lighter than conventional hydraulic/electrical adaptive systems, and has the unique ability to compensate for head/tailwind due to its spring-loaded design. The Agera R has a drag coefficient of C d=0.37, or C d=0.33 at high speed due to its adaptive rear wing, while producing 300 kg (660 lb) of downforce at 250 km/h (155 mph). It can accelerate from 0–100 km/h (0–62 mph) in 2.8 seconds and attain a theoretical top speed of 439 km/h (273 mph). The Agera R made its debut at the March 2011 Geneva Motor Show with a Speed Racer livery, and special Michelin tyres. Other notable features include the trademark "dihedral-synchro-helix-actuation" doors, a new traction control system, LED lighting, blue hood stripes that continue through the cockpit of the car and a custom interior with a new "Ghost light" lighting system, which uses carbon nanotubes in a unique configuration to shine through the car's aluminium buttons. The Agera comes with forged aluminum wheels with centre locking nuts, measuring 19-inch on the front and 20-inch on the rear and wrapped in a set of Michelin Super Sport tyres that can be used for speeds of up to 420 km/h (260 mph).
KOENIGSEGG AGERA RS MANUAL
The rear wing is electronically adjustable with auto setting or manual control in order to have as little compromise as possible between low drag and downforce, depending on driving conditions.
The chassis is also made out of carbon fibre with an aluminium honeycomb structure that comes with integrated fuel tanks for optimal weight distribution and safety. The car's hardtop roof is stowable under the front hood lid. The Agera has a body made from impregnated carbon fibre/ kevlar with lightweight reinforcements. The top speed for the production model is claimed to be 400 km/h (249 mph). Most notably, the transmission weighs only 81 kg (179 lb). The second clutch slows down the input shaft during up shifts in order to reduce the time it takes to synchronise the next gear, resulting in faster shift times. It is the first dual-clutch transmission to feature only one input shaft.
The transmission is a specially developed 7-speed dual-clutch with paddle shifters. The total weight of the engine is only 197 kg (434 lb) due to a carbon fibre inlet manifold and aluminium construction. The Agera is powered by an in-house developed 5.0-litre V8 engine and fitted with twin-turbochargers which generates a maximum power output of 706 kW (960 PS 947 hp) at 6,900 rpm and 1,100 N⋅m (811 lbf⋅ft) of torque at 4,000 rpm.
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