How are PP calculated??

[andmen]

I wonder how PD got an fully tuned SLR to have better PP than an Enzo when the Enzo has better aerodynamics, better downforce, lighter, more HP and faster gearbox.

 

[freight48]

Does it? Look at all the stats again.

 

[andmen]

Does it what ?

My Enzo has 922hp for 1044kgs, 609ft and 631 PP.
My SLR has 918hp for 1328kgs, 832ft and 661 PP.

 

[freight48]

Does it what ?

My Enzo has 922hp for 1044kgs, 609ft and 631 PP.
My SLR has 918hp for 1328kgs, 832ft and 661 PP.

They don't update immediately all the time.

 

[colepepper]

The SLR does have more torque. Also do you have more downforce set on the SLR because that boosts PP.

 

[andmen]

They don't update immediately all the time.

I havent updated my SLR/Enzo since before they introduced the PP.

 

[andmen]

The SLR does have more torque. Also do you have more downforce set on the SLR because that boosts PP.

That much torque can not compete with 300 kgs more. I will check how i set the downforce. I know i added the front lip on the SLR..

 

[X3rx3s44]

Does it what ?

My Enzo has 922hp for 1044kgs, 609ft and 631 PP.
My SLR has 918hp for 1328kgs, 832ft and 661 PP.

Try going into the settings for each car, changing either the downforce, ballast or power limiter. Get out of settings, then go back in and undo your changes and that should fix the problem...
I found after the update to remove tyre selection from the PP system that some cars PP went up and some cars down dependent upon what tyres were fitted...
I went through all 1100 of my cars (at the time) and did this process so I knew which cars were better... After hours and hours of doing nothing but flicking through the settings menus of all my cars it was done... If they change the system again I think I will cry...

 

[andmen]

Try going into the settings for each car, changing either the downforce, ballast or power limiter. Get out of settings, then go back in and undo your changes and that should fix the problem...
I found after the update to remove tyre selection from the PP system that some cars PP went up and some cars down dependent upon what tyres were fitted...
I went through all 1100 of my cars (at the time) and did this process so I knew which cars were better... After hours and hours of doing nothing but flicking through the settings menus of all my cars it was done... If they change the system again I think I will cry...

Neither the Enzo or the SLR have adjustable downforce (No rear wing) or ballast. I will check if they have a power limiter. Or are you saying that i need to fettle with it regardless if i had ever done it before just to refresh their PP?.

 

[morphling]

i was wondering the same thing. My Toyota Minolta is rated at 550 PP which i think is crazy where a stock Saleen S7 would hover at around the same.

 

[andmen]

I just checked, my 600hp Lexus LFA (1300 kgs) has a better PP than my Enzo. It's ridiculous.

 

[X3rx3s44]

Neither the Enzo or the SLR have adjustable downforce (No rear wing) or ballast. I will check if they have a power limiter. Or are you saying that i need to fettle with it regardless if i had ever done it before just to refresh their PP?.

Yeah, do it anyway. Put the power limiter to 99.9% then exit settings, then re-enter and put it back to 100.0% then exit and this should fix the problem. Hope it helps... There is no conceivable way the SLR should have higher PP than the Enzo (Torque alone should not be enough! ). I'm currently at Uni so I cannot check but I will check when I get home and update you with my PP values although you should have it sorted by then. 👍

 

[1 tYp3 L1k3 D15]

I can verify this. M-B SLR 670pp, Enzo 642pp. both are fully upgraded SLR has 30miles Enzo has 11.

Athough not much difference in max power the SLR has slightly more and gets there 1800rpm faster.

Torque however is a different story the SLR has more which will allow it to accelerate faster.

At a glance it doesnt seem like it, but the SLR has alot more engine.

I have not tested but I believe the Enzo has the potential to turn better than the SLR, however it also takes more skill to drive effectively. I dont think however this is factored into pp, which is why the game thinks the SLR is better.

 

[freight48]

While I can't vouch for fully tuned models. My two bone stock cars read as follows.

SLR v. Enzo

571PP v. 580PP
598HP v. 639HP
558lb/ft v. 470lb/ft
1768KG v. 1255KG
0.0km v. 6.0km
No oil change on either of them.

 

[andyt11]

I don't care for the new pp system.

I have a 1.5 ton Volvo 240 GLT that is fully modified. It tops out at about 138mph after miles of straight and some downhill! PP is 499 !!

Meanwhile a stock yellowbird that tops 200mph out of the box has 501pp. These cars are not at all an even match, but they are if you use the pp system.

 

[chroma]

As I see it, the PP system is nice as a general comparison, but given how performance depends so much on driver style and the track (and given the wonkyness of some of the PP numbers to begin with, as per the OP), I think its practical accuracy is somewhat limited.

 

[rspwn]

It's not only power/weight but also Traction Index (i.e. adding ballast to maxed tvr speed 12 increases PP to some extent)...

 

[GTP_roadrunner]

I think the PP system also concerns the mad understeer a car has. This being present in the Enzo, explains everything

 

[luisgo98]

my stockcaterham has 567pp

 

[charliec]

I think the PP system works well. As long as you're being smart about what you're comparing, you can keep things really close.

I have a friend I play online with and we always select cars based on PP. As long as we're picking proper cars for the course (meaning lightweight good handling cars for low speed technical courses and faster higher speed cars for more high speed tracks) we always finish within a second or so of each other.

If someone really wanted to figure out how PP is calculated they could probably take measurements of PP with different settings and then do a regression on the data.

As far as things like the SLR vs Enzo, it's most likely the area under the torque curve or something that they're measuring, not just peak HP.

 

[andyt11]

I think the PP system also concerns the mad understeer a car has. This being present in the Enzo, explains everything

The volvo understeers like a boat and the Yellowbird as you know has more over steer going on than any other car in the game!

For me the PP system just doesn't really work.

 

[freedomweasel]

I think the PP system works well. As long as you're being smart about what you're comparing, you can keep things really close.

I have a friend I play online with and we always select cars based on PP. As long as we're picking proper cars for the course (meaning lightweight good handling cars for low speed technical courses and faster higher speed cars for more high speed tracks) we always finish within a second or so of each other.

Very true. It's not the end all be all number, you still need to think a bit to make it work. For what it is, it is quite good.

Aside from that, I think the system works a bit better on stock or lightly modified cars. On maxed out cars it seems to fall apart a bit.

 

[PawnBoy]

I noticed that when tuning the X2010, if you adjust the power limiter and reduce power, the PP of the car goes up until you reduce power to around 80%, then the PP start to decrease again.
I remember hearing that the PP relies on the area beneath the torque and hp curves, and thought that perhaps the torque curve was getting larger or something as I reduced the hp. But I watched them as I reduced power and I don't remember seeing any reason why there should be more area beneath the 80% curves than the 100% curves.

P.S. I was too lazy to try and test the car at 80% performance vs 100% to see if the PP had any truth to it. I'm not sure my lap times would've been consistent enough anyway.

 

[defaultoasis]

I think the PP system works well. As long as you're being smart about what you're comparing, you can keep things really close.

I have a friend I play online with and we always select cars based on PP. As long as we're picking proper cars for the course (meaning lightweight good handling cars for low speed technical courses and faster higher speed cars for more high speed tracks) we always finish within a second or so of each other.

If someone really wanted to figure out how PP is calculated they could probably take measurements of PP with different settings and then do a regression on the data.

As far as things like the SLR vs Enzo, it's most likely the area under the torque curve or something that they're measuring, not just peak HP.

That's very true I think.

 

[JawsV8]

The PP system is inconsistent and bugged to the max.

I don't know if they are still working the bugs out or what, but I have some cars that are FAR faster than others, but will have a significantly lower PP rating.

I have also noticed the PP rating for a car will change from what it shows you in the garage list to when you actually select it. Like, upwards of 20 points...

 

[JawsV8]

I noticed that when tuning the X2010, if you adjust the power limiter and reduce power, the PP of the car goes up until you reduce power to around 80%, then the PP start to decrease again.
I remember hearing that the PP relies on the area beneath the torque and hp curves, and thought that perhaps the torque curve was getting larger or something as I reduced the hp. But I watched them as I reduced power and I don't remember seeing any reason why there should be more area beneath the 80% curves than the 100% curves.

P.S. I was too lazy to try and test the car at 80% performance vs 100% to see if the PP had any truth to it. I'm not sure my lap times would've been consistent enough anyway.

Wow. What the hell.

PD really needs to give us a tutorial on how these things they come up with ACTUALLY WORK.

So much of this game we are just left in the dark about, playing the guessing game.

 

[charliec]

I have also noticed the PP rating for a car will change from what it shows you in the garage list to when you actually select it. Like, upwards of 20 points...

I think this is because they updated the PP calculation method but it didn't automatically update the entire garage. After selecting the car it should update the listing in your garage.

 

[defaultoasis]

The car that gets benefitted the most is probably 2J --- I often use it to get an easy race done in those 650PP room.

 

[andmen]

If they could tell us how they calculate the PP..I would love to know. My SLR isnt as fast as my Enzo when im driving it. Same for the LFA.

 

[freedomweasel]

If they could tell us how they calculate the PP..I would love to know. My SLR isnt as fast as my Enzo when im driving it. Same for the LFA.

I don't mean this in an insulting manner, but just because you can't drive it faster doesn't mean it can't be faster.

Part of the problem with Forza's system was that the points were determined by a simulated lap. The faster the lap, the more points the car received. The problem with this was that a human player likely can't drive an insane RWD car at the limit as consistently and easily as an AWD car for example. So even though the computer got a better time out of car X, the average player will get faster times with car Y.

Make sense?