sigh
First of all, neither LaFerrari version gets many, if any, engine upgrades for the same reason the McLaren P1 doesn’t get many … hybrid-ish engine, complicated, for once the makers choose to keep the characters of near perfect cars. I applaud those decisions. They are S2 class cars. All of them. If you want an X class rocket, you’re barking up the wrong tree.
Second, as for the LaFerrari vs. FXX K:
Looking at the numbers, you can only get about 50 more hp out of a fully upgraded LaFerrari, but it’s heavier, and the difference in top speed is the aerodynamics. It’s a big difference in top speed because it’s a big difference in aero. (Edit: BTW, the amount of downforce shown in tuning is only the adjustable portion. A real Enzo developed way more than 1000 ft/lb at speed. In the game that’s stock.) My best handling, full aero LaFerrari has a handling rating of 9.0 … but that’s not the number to look at. Look at how many G’s it pulls at 120. Mine pulls 1.48 at 120, which is just short of what Lamborghini claimed for the Veneno, but is still amazing. But that FXX K … mine has a handling rating of 9.3, not 9.2, and it pulls 1.75 G’s at 120.
1.75 G’s
That’s a big difference. Lower top speed is the trade off. And you’ll see the difference in lap times if you take them to tighter circuits like Archway or Skyline View. Just about the only S2 car that handles better is the NISMO racecar. In S2, the Centenario can be made to have a 9.3 rating, but pulls “only” 1.62 G’s … and has less power in the build. A lot of courses favor power, so some Centenerio builds can yield better times, but it doesn’t handle better. It’s realistically represented. The FXX K is a purpose-built, sharp tool for handling and is one of the best modeled cars in the entire game, so, yeah, the complaints are … yeah. I have my own growing list of beefs with FH3, T10, Playground … but this recurring complaint about the FXX K isn’t right.
And is it competitive? Very, if you take it where it’s strong. It won’t do well at Highway Circuit or Street Races because there’s more accelerating than turning in those, but it’s one of the top 2 or 3 cars on the tightest circuits (maybe the new ACR joined the club, too … haven’t driven it yet). Seeing it pull 1.75 G’s requires skill, though. It needs to pull away in turns. If you butcher a corner, kinda defeats the purpose. If it’s taken to the right event, and if it’s tuned well and apexs are kissed, complaints about it being uncompetitive wouldn’t follow.