Grimmjow the car has a Chip Tuning, which also affects shift times. I would not call them a lot quicker, but softer and smoother. Since the car learns your driving style and adopts the way it shifts, it helps driving quick before the race for some kilometers.
Do you still have your green (and wonderful) Smart?
Who tuned your car?
Did you upgrade gearbox or something? Gear changes are sounds faster .
Grimmjow the car has a Chip Tuning, which also affects shift times. I would not call them a lot quicker, but softer and smoother. Since the car learns your driving style and adopts the way it shifts, it helps driving quick before the race for some kilometers.