My old car. Was very clean and tidy when I sold it 18 months ago with 154k km on it. It looked like a car with half the mileage or less, at the time....
You may still be asked at customs on return, if you have anything to declare. Which if stopped with a car full of new parts is going to be difficult...
The only other 'peak car' flaw for the GTS is the constant feedback about the gearing being too long, which would probably be further exacerbated in...