Revenge of the Fallen Devastator - Balls to the Wall by Accept.

 

'86 movie Optimus: Sick Puppies - You're Going Down - YouTube

G1 Wheeljack: Oingo Boingo "Weird Science" - YouTube

G1 Red Alert: Megadeth - Sweating Bullets - YouTube

I was thinking more this:

 

Prime: Iced Earth - Declaration Day
Megatron: Judas Priest - Hellrider (his name is in the lyrics, what more do you need)
Starscream: Fear Factory - Bite the Hand That Bleeds/Halford - Betrayal/Annhilator - Coward
The Fallen (War Within): Black Sabbath - Black Sabbath
Blurr: Megadeth - 1320
Tracks or Sunstreaker: Helloween - Perfect Gentleman
Jazz or Blaster: Wild Cherry - Play That Funky Music
The Wreckers (group): Manowar - Battle Hymns
Grimlock: Slayer - Here Comes the Pain
Powerglide: Helloween - Eagle Fly Free
Ironhide: Iron Maiden - The Trooper
Thundercracker: ACDC - Thunderstruck
Skywarp: ACDC - Back In Black
Smokescreen: - Symphony X - Smoke and Mirrors
Dinobots (group): Crimson Glory - Where Dragons Rule
Cliffjumper: Megadeth - Sudden Death
Ultra Magnus: Iced Earth - Hollow Man
Astrotrain: Demons and Wizards - Terror Train
Scavenger: Misfits - Dig Up Her Bones
Inferno: Hammerfall - Hearts On Fire
Perceptor: Demons and Wizards - Spatial Architects
Sunstorm: Napalm Death - Incinerator

More to come.  

 

Starscream - Instrument Of Destruction by N.R.G
Cliffjumper - You Could Be Mine by Guns and Roses
Brawn - Thunderstruck by AC/DC
Optimus Prime - Unforgiven by Metallica