@lady hatake: I think you put the wrong link...
@impel down: a spiky one? which one?
The Autobots are:
Optimus Prime (Peterbilt Model 388)
Bumblebee (1974/2008 Chevrolet Camaro)
Jazz (Pontiac Solstice)
Ironhide (GMC Topkick pick-up truck)
Ratchet (Search & Rescue Hummer H2)
The Decepticons are:
Megatron (Cybertronian jet)
Starscream (F-22 Raptor)
Barricade (Saleen-modified Ford Mustang police car)
Frenzy (2-speaker CD player)
Bonecrusher (Buffalo H Mine-Protected vehicle)
Blackout (MH-53 Pave Low)
Scorponok (mechanical scorpion)
Brawl (Modified M1 Abrams)
Maye the spiky one that you're talking about is Megatron...
The problem is that the producers have changed the desings of all the transformers, readapting them to a more "modern times"