The arcade also has the sudden stop. I believe Outrun 2 has the gradual stop.
Nevertheless, it could be a cool change/option in the future as I'd agree the sudden stop feels a bit brutal.
Viewing post in OutRun: Amiga Edition 0.91 Released! comments
Ah, sorry was introduced by the Deluxe version under MAME... ;)
Other minor things: in game ESC should ask you "Do you want to quit? Y/N", and would be great if it would save hi-scores.
I made a drawer ColorIcon for it: English Amiga Board - View Single Post - Outrun AGA