[Vortexshifter09]

Want to ditch my 225/40/19 for either the 235/40/19 or 245/35/19 I have the 792m wheels not sure if they are 8 inch or 8.5 inch wide. Which would be my best bet? I’m looking at ps4s? I’ve seen that long forum about tire sizes already but not much is mentioned about 235/40/19 on a adaptive suspension Xdrive
Which would be better for handling and cutting up

[R12ax7]

I went from the stock RFTs to 235/40 Pilot Sport All Season all around and definitely think it is an improvement, although hard to say if that has more to do with being Non-RFT versus the different width.

Keep in mind a 235/40 will have a slightly taller sidewall than a 225/40 (but still within the 1% tolerance), so the wider tire should be a bit smoother/better at absorbing bumps also.

[peelerec]

Originally Posted by Vortexshifter09

Want to ditch my 225/40/19 for either the 235/40/19 or 245/35/19 I have the 792m wheels not sure if they are 8 inch or 8.5 inch wide. Which would be my best bet? I’m looking at ps4s? I’ve seen that long forum about tire sizes already but not much is mentioned about 235/40/19 on a adaptive suspension Xdrive
Which would be better for handling and cutting up

I highly recommend 235/40/19. Definitely improvement in grip, handling and comfort.

[prostcfc]

Originally Posted by R12ax7

I went from the stock RFTs to 235/40 Pilot Sport All Season all around and definitely think it is an improvement, although hard to say if that has more to do with being Non-RFT versus the different width.

Keep in mind a 235/40 will have a slightly taller sidewall than a 225/40 (but still within the 1% tolerance), so the wider tire should be a bit smoother/better at absorbing bumps also.

Why would a 1% difference from stock matter if running square? The 1% bogey is cited for xDrive cars that run staggered setups. Am I missing something other than a trivial speedo error? For e.g., I'm moving to 245/35-19 for my current 19x9 track setup, which is ~1.3% different from stock.

[XxSullyxX123]

Originally Posted by prostcfc

Why would a 1% difference from stock matter if running square? The 1% bogey is cited for xDrive cars that run staggered setups. Am I missing something other than a trivial speedo error? For e.g., I'm moving to 245/35-19 for my current 19x9 track setup, which is ~1.3% different from stock.

You are correct. The 1% is front vs back for the transfer case on the xdrive system.

[R12ax7]

Right, I was actually referring to the spedo error, but your right, that is nota big deal anyway

[I800C0LLECT]

I have staggered wheels with xdrive and just ordered 225/45/19 and 255/40/19 tire sizes. It should give me an extra half inch of sidewall. Can't wait to see how it rides

[GreenStreet]

Originally Posted by I800C0LLECT

I have staggered wheels with xdrive and just ordered 225/45/19 and 255/40/19 tire sizes. It should give me an extra half inch of sidewall. Can't wait to see how it rides

Any updates on how these fit and ride? Any pictures?

[I800C0LLECT]

Originally Posted by GreenStreet

Any updates on how these fit and ride? Any pictures?

Sidewall is half inch thicker. It rides nice and smooth. Pilot sport all season 4 is a great tire. It’s not a dramatic difference vs the run flat. Nobody in my family noticed the difference in ride quality but it is smoother for sure. The bumps aren’t quite as harsh…but again, nobody noticed but me

[GreenStreet]

Good to know. I was hoping the added sidewall would make a more noticeable impact on comfort, but doesn’t sound like there would be a huge benefit (I switched to the PSAS4 in stock sizes already). Thanks for sharing!