[bouncytruck]

I like the black rims better.

As for the photo being dark, I think it's because you've got a white truck on a sunny day. Your camera is reading the bright white of the truck as the white point in the shot which makes the rest of the shot dark. If you have a simple point-and-shoot, there is probably not much you can do about it.

I adjusted the levels a bit and made a couple other adjustments