You have some major light and white balance color issues. The setting isn't complimenting your vehicle in 1&4.
We really would prefer between 3 and 5 images to cc in order to give you more detail. When you get past about 3 or 4 it gets to be a TON of work and time invested in one post. We can't give you the detail and help as well then.
You have the idea, but your execution is falling a bit short here. Vehicle photography is HARD and requires a lot of lighting to do it well, so you are doing well with not having that lighting.
Because you are shooting with point and shoots you are always going to have a LOT of your scene in focus no matter what you do. The sensors are smaller creating a much larger depth of field or depth of focus. In the train shot it has really worked against you and your car is getting lost where the train is taking over.
Your positioning on the ones from the front bumper is too low. when shooting like that you want to be looking down the sleek lines of the car. Not under it or up at the mirror, headlight, tire or hugely distorted front end.