2012 Audi R8 LMS Ultra

Audi has launched the R8 LMS Ultra, a race car that’ll be available to customer teams from March 2012.

An evolution of the R8 LMS GT3, the Ultra has been developed by quattro GmbH and incorporates numerous changes.



In the engine bay, the 562 bhp (419 kW / 570 PS) 5.2 litre V10 gets a new exhaust system that allows for improved low-range torque, and there are larger engine oil and transmission fluid coolers. Air supply has also been improved thanks to bigger intakes in the R8’s side blades.



Tweaks to the bodywork include a broader front bonnet section that features extra vents, while the rear wing is wider than before and has larger end plates to maximise aerodynamic downforce. In the interests of reducing weight, the doors are now constructed from carbon fibre reinforced plastic, and they incorporate a new high-energy absorbing crash foam.



Wider 12-inch front wheels are fitted, and these benefit from better brake cooling and improved tyres. Suspension modifications are limited to enhanced, lighter Bilstein dampers and uniball joints for the transverse control arm mounts.



The 2012 Audi R8 LMS Ultra is priced at €329,900 (plus VAT), an amount that equates to around £281,900 or US$444,100 at current exchange rates.



Owners of existing cars will be able to get them updated to full Ultra spec or, for any teams considering just a partial upgrade, Audi is working on obtaining individual homologation for each new aerodynamic component.



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2012 Porsche 911 GT3 RSR

Porsche has unveiled an updated 911 GT3 RSR for 2012.



Aimed at customer race teams, the 997-based car has been built to ACO GTE regulations, which means it’ll be able to compete in next year’s inaugural FIA World Endurance Championship, as well as the American Le Mans Series, Le Mans Series and International GT Open.

The most striking visual changes are the larger wheel arches, which make the 911 GT3 RSR 48 millimetres (1.9 inches) wider than before. Consequently the rear section, front valence and door sills have all had to be adapted, while modified intakes in the rear panels now feed air to the engine.



Installed in its customary place out back is a four litre, six-cylinder boxer engine that develops 453 bhp (338 kW / 460 PS) and drives through a sequential six-speed transmission. That power output might seem strangely low given that the street-legal 911 GT3 RS 4.0 boasts 493 bhp (368 kW / 500 PS), but the race version has a mandatory air restrictor fitted that’s clearly doing its job.

Deliveries of the revised Porsche 911 GT3 RSR are due to begin in January 2012. The price, excluding VAT, is €498,000 (around £428,200 or US$685,900 at current exchange rates).



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Aston Martin Vantage GT3

Aston Martin Racing is replacing its DBRS9 racer with the brand new Vantage GT3. Based on the V12 Vantage road car, the plan is to develop and build ten customer cars in time for a competition debut next season.

Target figures for the GT3’s dry-sump 6.0 litre engine are 600 bhp (447 kW / 608 PS) and 700 Nm (516 lb/ft) of torque. By comparison, the standard V12 Vantage manages with 510 bhp (380 kW / 517 PS) and 570 Nm (420 lb/ft).



But that doesn’t tell the whole story, as the extra output will be complemented by a weight reduction from 1,680 kg (3,704 lbs) to 1,250 kg (2,755 lbs).



Drive will be via a semi-automatic paddle shift Xtrac transmission, and the Vantage GT3 is going to get bespoke traction control and anti-lock braking systems.



John Gaw, Aston Martin Racing Managing Director, said: “The DBRS9 has been a very successful GT3 racing car and, despite being more than six years old, is still competitive today. However, the competition has moved on and we needed to create a new car that combines our six years’ experience in this category with the latest race technology to continue Aston Martin’s success in GT3 for many years to come.”



And he’s correct about the increased competition - since the introduction of the DBRS9, the class has seen the arrival of cars such as the McLaren MP4-12C GT3, the Mercedes-Benz SLS AMG GT3 and the recently upgraded BMW Z4 GT3.

Updated BMW Z4 GT3

BMW Motorsport has tweaked its Z4 GT3 racer for the 2011 season.

Following a successful competition debut last year, the modifications have focussed on improving the car’s aerodynamics. Other big changes include the fitment of an updated electronic management system for the 4.4 litre V8 engine, a new control unit for the actuators and the move to a two-paddle gearshift.



Available now to privateer race teams, the Z4 GT3 costs €315,000 plus VAT (around £278,500 or US $456,250 at today’s exchange rates). There’s still no sign of a street legal version, unfortunately.



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McLaren MP4-12C GT3

McLaren has announced plans to take its MP4-12C racing.

The MP4-12C GT3, which will compete against cars such as the BMW Z4 GT3, Mercedes-Benz SLS AMG GT3 and the ubiquitous Porsche 997 GT3 Cup S, is being built primarily for privateer entrants in Europe.



McLaren has been working in collaboration with Leicestershire-based CRS Racing who will build, sell and provide support to owners. The plan is for a small production run of cars for the 2012 European FIA GT3 Series, although before that there will be a limited race programme during 2011 as part of the development process.



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