Just know that some of these are not from g1, some of these are from Transformers prime, the live action movies, animated.
Decepticons
Blitzwing as a McDonnell Douglas f-4 phantom ii and a 1985 Mack Super-Liner
Breakdown as a 2015 Dodge Durango R/T
Knockout as a Maserati Granturismo Race Car
Blackaracnia as a Saab JAS 39 Gripen
Blackout as a MH-53J Pave Low III helicopter
Barricade (Starts as) as a Chevy 3rd generation Camaro police car
Barricade (Ends as) as a 2020 dodge challenger R/T police car
Stinger as a 2014 Koenigsegg Agera R
Rampage as a M816 Medium wrecker
Autobots
Strongarm as a police-modified pickup truck
Windblade as The EWR VJ101C, X-1 prototype
Blaster as a 2015 Chevrolet Suburban
Proceptor as a 2016 Honda NSX
Red alert as a 2015 Dodge Durango Fire and Rescue
Skids as a 2015 Hyundai Veloster
Mudflap as a 2015 Hyundai Veloster
Elita-1 as an International MXT Armored Truck
I hope you have enjoyed.