There must be a way to switch from a PC save to a Console save. The structure of the saves is the same:
Steam savegame
%APPDATA%\Roaming\SEGA\SonicRacingCrossWorlds\steam\USERID
app.sav
net.sav
option.sav
playlog.sav
replaydata03.sav
replaydata18.sav
replaydata31.sav
replaydata32.sav
steam_autocloud.vdf
(full savegame PC on
gamebanana)
Switch Savegame
app
net
option
playlog
replaydataxx: Probably the trace of your ghost AI in the time trials
playlog: ? Probably the game progress?
option: Probably the game options configuration
net: Probably the online configuration
app: ? Probably the game progress ?