SQ5 255/50/19 Winter Tire Pressure

[cdmilton]

Any recommendations on proper tire pressure for the SQ5 in 19" format?

I don't feel like the 21" pressure is appropriate for a taller tire. The ride is pretty bouncy as is. Can we run the Q5 19" pressure around 30psi?

[MN Blue S4]

I have that same tire size (Pirelli Scorpion Winters) and have been running at 35 psi. Ride quality and handling seem good.

[riceboy22]

The manual recommends 30 psi front-and-back for normal load and 33 psi front-and-back for full load on 235/55 R19. You're running a wider tire on the same diameter, so the general rule of thumb is you run a lower pressure than that. That's offset a bit by the fact that you're running a winter setup where you'll normally want to run a slightly higher pressure. Net effect I think is that right around 30 psi is probably the pressure to start at.

[TITAN_Q5]

The manual recommends 30 psi front-and-back for normal load and 33 psi front-and-back for full load on 235/55 R19. You're running a wider tire on the same diameter, so the general rule of thumb is you run a lower pressure than that. That's offset a bit by the fact that you're running a winter setup where you'll normally want to run a slightly higher pressure. Net effect I think is that right around 30 psi is probably the pressure to start at.

Well I asked this same question to the dealership service exec and he had told me run the same pressure as ur 21s :(




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