Many of the Autobots and Decepticons alternate modes are inspired by real vehicles, with an obvious example being Bumblebee ...

this dark and ominous Freightliner is almost certainly a Decepticon. Based on a 2014 Freightliner Argosy cab-over semi truck, it's not exactly clear which character this is, but if the movie was ...

Transformers #9 – written by Daniel Warren Johnson, with art by Jorge Corona – features the Decepticons building ... one who transforms from a tanker-truck, the concept of size-changing ...