I honestly don't care for the colors, but your technique is obviously very close to flawless! Very nice execution! I like the subtle details you put in.
Great effort. Can't help you with ideas for 'Drift' style though. Add a couple of 'scale pimply faced and awkward teenagers milling about the car, and it'll look more 'authentic'!
Just kidding you drifter folks!!! Not a flame!