if the vehicle is outside you want an outside durable printer
what works with my shop for equipment will be different than what works in yours, this will be based on experience and level of ability
latex is huge in the states right now, i am not on that bandwagon as i see just as much negative as positive
seriously, google this stuff, it is not hard to find, the 2.7 million pages... uh read some of them, don't ask, read, read read.....
i have no hostility toward you and certainly aren't mad at anybody, you are wanting to know more about wrapping vehicles, great, get on these here internets and do some searches and do some reading, there is information overload on this place
go to a tradeshow and go from booth to booth and ask them directly questions you have about their printers, take a flash drive with your artwork on it, they will print you a sample so you can compare your exact file from machine to machine, hit the laminator booths too....
your are not the first or the last to ask questions like these and get the response you are getting.