I've never used the quick upgrade.
^Agree
The only thing I have off is the clutch
Was never a fan of the nsx in forza 3 but its one of my best cars in 4 now.
I found the LFA to be bat-sh*t crazy at first, spinning out in 1st & 2nd which it needed to use on the track the multiplayer game gave us - had better take driving it seriously, was no use just hacking about in it!
Just bought an LFA.
Whaaaaaat?! It was great in 2 and 3 (never had the original).