This is a really nice piece!
There's a few things that strike me as a bit odd. Firstly the Rust at the top of the just seems to stop completely at the line at the top of the truck and also the tyre tread looks too bright, either the colour is too bright or its too reflective / specular.
What you could also add is finger marks where people slide there hands down the back, below and around the handle etc.
" also comes in white "
