Right now we can only speculate as we really haven't been given any Gospel truth about what it will offer. The only thing that appears to be a guarantee at this point due to the press releases is it will offer the 6.1L with the Mercedes-based W5A580 5-speed automatic transmission with Autostick (sometimes allows you to choose which specific gear ratio you would like to be in, but does have an override to your decision). This is controlled not by paddles on the sterring wheel, but by the floor mounted shifter by tapping it to the right for an up shift and to the left for a now shift. The MB system is really strange from the other ones that the Drive position plays as both roles instead of a separate place on the shifter to make help the transmission understand that you want close to full control instead of a suggestion.

This article explains it decently, though this one covers more Chrysler's system. http://en.wikipedia.org/wiki/Autostick

Rumors state that it might have a 6-speed manual either the good, old T-56 Tremec or potentially the TR-6060 Tremec which is an upgraded version of the T-56.

I don't know about the track capabilities. The only engine we pretty much know for sure at this point is the 6.1L as that has pretty much been confirmed in the press releases. I really don't know for sure about the brakes as I have never really paid attention to that. The weight I think routes from the basis of this platform was based off of a MB platform and built to be very safe which contributes to the weight.

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