i like this thread. i thought about this too. and the dead end in alliance looked different so this could be a legit theory. i always thought thought that the audi r8 should have been a stunticon.
No it isn't in the novel Sideways is in China with Demolisher and Sideways along with the Acree bikes kill him. That is a shot from that part just because of the Acree bikes chasing him so that isn't Dead End.
Brought up numorus times by LimeWire, kept proving him wrong with everything he threw about the subject.
I actually thought about this, too. It looks like his head in terms of eyes, but the rest of the vehicle and robot looks more like Sideways. But I frame-by-framed it and it did look a lot like Dead End's face. Plus, the car was black.... Then again, that could fit with TT's version. But I haven't read the prequel comics. Someone has them for sale cheaply on TradeMe.co.nz but... I can't afford it. If I could, I'd buy them. EDIT: Here's a picture on TFW2005 that has a somewhat decent head comparison: