Comparing Performance Index and upgrades between FH2, FH3 and FH4 (with spreadsheets!)

Forza Horizon Forza Horizon 4 FH4 Discussion
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The abbreviated version:
FH4 seems more similar to FH2 in terms of how tire upgrades and engine swaps affect PI.
V12s and big HP upgrades raise PI levels much more than they did in FH3.

The long version:
I got my start in Forza with FH3. I played the game, collected cars and “maxed” a bunch of cars out just for fun. One day I decided to try the Rivals feature and realized there was a whole new world of challenge in trying to climb to the top.
Thanks to this forum, I found the weekly rivals challenge hosted by HLR Moss, and became hooked.
Now one of my favorite Forza pastimes is building and tuning cars to be competitive on the rivals leader boards.

I’m not the best but I am in the top 1% of every race in FH3, and many I am in the top 100, and I have even been in the top 10 in the world on several races.

All of that to say I have some idea how to build and tune a car.

Fast forward a year or so and I had pretty well accomplished all I had set out to do and I bought FH2. I was amazed at the difference in the upgrades PI and how much more enjoyable the cars were to drive at their given class max levels.

Now that FH4 is here I was greatly hoping they would tweak the PI system to return it more to like it is in FH2, meaning that big hp upgrades would raise the PI more and that tire upgrades wouldn’t cost as many PI as they did in FH3.

I decided to compare a few cars from the recent demo against their counterparts in the older games. Below is a breakdown of the cars, the parts and the PI cost. Also included are a few comparisons of various builds in each game. Below are the results.

3 Likes
2

That’s good news! I was hoping it would be more similar to how it was in 2. Thanks for taking the time to do these spreadsheets! It’s really encouraging to see these stats.

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Excellent, I’ve been playing FH2 recently and really enjoying how much better the cars drive as compared to FH3. Very glad to hear that FH4 has tweaked the PI system to encourage better handling cars instead of AWD rockets.

4

Very detailed. I did a very basic comparison and was finding similar results. I’m glad you went so in depth and put full on numeric values to the mods.

5

Thanks! Glad to see the PI has been corrected in some ways.

Many of us used the AWD overpowered builds but I would love to see RWD builds become more competitive. They are more fun to use.