Just for funsies... the main model and speed racer text is Keyshot - rendered it semi-realistic first then an AO pass and finally in toon shaders. Mixed them up a bit in Photoshop afterwards.
Can't take credit for the model - it's from GrabCAD. Wound up having to clean it up a bit, but nothing too bad.
Nice combination :)
Second composition is nice, not overly keen on the first one though for some reason...
J