I've been hoping they'd use cars of an older, classier make within these films or create a custom vehicle to feature. So far, they used an old Peterbilt for Optimus (great), built a Hummer for Ratchet (great) and used an 70s Camaro for Bumblebee (and also used a tank prop for Brawl), but the rest of the Auto-botmobiles have been the latest and the most popular. I think I get the point of using new cars, because it's the new that holds fresh appeal and that brings in the masses. But wouldn't it be easier/cheaper to purchase cars from their owners and personalize them to use in the film, rather than to have to go through royalties/rights issues with car companies? And besides, old cars are just badass. Look at GB's Ecto-1: Category:Ecto-1 - Wikimedia Commons Ecto-1 - Ghostbusters Wiki - "The Compendium of Ghostbusting" Ecto-1a - Ghostbusters Wiki - "The Compendium of Ghostbusting" It's a freaking Cadillac, that's got way more awesomeness than the Solstice, Corvette or Ferrari. I mean if MBay is as much a car buff as he says he is he should know to cast old badass cars instead of new ones for Autobots/Decepticons. I can actually see Ecto-1 above as being suitable for Red Alert or Wheeljack. Anyway, I hope MBay can start casting distinct vintage cars in TF4, and give them as much prominence as the new ones get. Maybe he wasn't able to before, but with these films established as a solid cash cow he can now cast whichever vehicles for whoever Transformers, regardless of their age.