Here is a synthesis of all the current rumours circulating about the car. None can be confirmed as fact, but a picture is starting to emerge. I also need to correct previous information that is now known not to be true:
1. New RS4 may be further away than previously thought. We had been told that it would debut at the Geneva Show in March 2005. This may not be correct and if Audi follows its previous policy of introducing RS models 2 years before the primary model on which it is based is replaced, then the RS4 is 2 years away. I hope this is wrong.
2. We also thought that engine would be a naturally aspirated and upgraded version of existing V8 in S4. It now seems almost certain that the engine will be the new 4.2 FSI V-8. However, this engine may yet be put into an upgraded S4, generating about 400 bhp - well up on today's figure. If this is the case, then the RS4 would need more power and consequently a bi-turbo version of 4.2 FSI would be required. (This option is consistent with rumours about the bi-turbo V-10 being developed for the next RS6.) So, we'll either get a 4.2 FSI naturally aspirated with 420 bhp or a bi-turbo developing 480 bhp, depending on what happens to the S4.
3. Audi is developing an in-line DSG gearbox for V-8/V-10 models, based on the DSG box designed for the Bugatti Veyron. The experience is light years ahead of BMW's SMG system.
4. There is no image that correctly previews the look of the car in existence yet. I will find it and post it just as soon as it does get released.
I think it is a bit disappointing that we've got to wait so long for this model - you can't get a brand new RS4 or RS6 now. But if a revised S4 can improve on the current one, this may be some compensation.
In the meantime, both the A4/A5 coupe based on the Nuvolari and the Le Mans sports car have been confirmed for production. They may arrive sooner.
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