How did the imaginary (i.e. not the licenced) cars get their names in LFS? It's been building up in me for a while and now I'm really curious 
I have a feeling the letters 'F' and 'R' after 'X' stand for FWD and RWD - XF GTi, XR GT. RB4 GT implies its 4WD (but still where does 'R' and 'B' come from?). FXO - no clue. Same for UF1000, LXs and all the other cars...
Any ideas on this?

I have a feeling the letters 'F' and 'R' after 'X' stand for FWD and RWD - XF GTi, XR GT. RB4 GT implies its 4WD (but still where does 'R' and 'B' come from?). FXO - no clue. Same for UF1000, LXs and all the other cars...
Any ideas on this?