19” wheels on a GT PE?

[jhovesen]

I’m looking to get a softer ride, but I fear the 19” are too small for the brakes.

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[HuntingPudel]

For the most part it won't work, but it depends on the wheel you get. There are a couple of threads on wheels people found that will work. Don't expect it to handle as well as stock with narrower wheels.

 

[tuminatr]

Here is a better idea, switch to 255/45/20 105. XL The higher 105 load rating supports the same weight as the 245/45/20 103 XL but at a lower 36 psi. I installed Vredestein Ultrac Vorti + summer tires and the car rides noticably softer and smoother. It also became much more agile feels like a race car

The harshness of the MME is partially because the tires have 39psi in them to maximize efficiency. Switching to a 19" won't help unless you go with a higher load rating tire too and lower the PSI

 

[Lynsey]

I got new wheels 20x9, but I got Pirelli Scorpion AS 3 plus. They are great. Much softer ride.

 

[Mach1E]

I’m looking to get a softer ride, but I fear the 19” are too small for the brakes.

Let’s start with the easy stuff.

You have a GTPE with magneride suspension.

Do you drive in whisper mode all the time? That’s definitely the softest riding setting.

 

[jhovesen]

Let’s start with the easy stuff.

You have a GTPE with magneride suspension.

Do you drive in whisper mode all the time? That’s definitely the softest riding setting.

Yes, I drive in whisper mode all time when I’m with family; my son is still getting nauseous in the back seat.

 

[jhovesen]

Here is a better idea, switch to 255/45/20 105. XL The higher 105 load rating supports the same weight as the 245/45/20 103 XL but at a lower 36 psi. I installed Vredestein Ultrac Vorti + summer tires and the car rides noticably softer and smoother. It also became much more agile feels like a race car

The harshness of the MME is partially because the tires have 39psi in them to maximize efficiency. Switching to a 19" won't help unless you go with a higher load rating tire too and lower the PSI

Appreciate the insight! Thanks.

 

[Mach1E]

Yes, I drive in whisper mode all time when I’m with family; my son is still getting nauseous in the back seat.

A few other things to try-

It won’t help the ride to be smoother but will help the car sickness-

Drive in engage mode. Whisper is the softest, but it’s not the smoothest. It makes things more “bouncy” in the back seat and can cause motion sickness.

Make sure to have propulsion sounds turned ON. The lack of noise also has been known to cause motion sickness.

Drive in 2 pedal mode. 1PD can also make passengers feel sick.

If removing the motion sickness is the priority, I don’t think smaller wheels will help.

 

[jhovesen]

A few other things to try-

It won’t help the ride to be smoother but will help the car sickness-

Drive in engage mode. Whisper is the softest, but it’s not the smoothest. It makes things more “bouncy” in the back seat and can cause motion sickness.

Make sure to have propulsion sounds turned ON. The lack of noise also has been known to cause motion sickness.

Drive in 2 pedal mode. 1PD can also make passengers feel sick.

If removing the motion sickness is the priority, I don’t think smaller wheels will help.

Appreciate the insights! I’ll try those suggestions out.

 

[markboris]

I got new wheels 20x9, but I got Pirelli Scorpion AS 3 plus. They are great. Much softer ride.

And quieter.

 

[markboris]

I’m looking to get a softer ride, but I fear the 19” are too small for the brakes.

I would do what Brian said in post #3 and go up one size from the tires you have now. I would also pick a tire that is known for a smooth ride which would not be a performance summer tire. The GTPE OEM Pirelli P Zeros have a very stiff sidewall which give a very firm ride. Generally a grand touring all season tire is smoother because of a softer sidewall construction among other things. That coupled with the slightly taller tire so you can reduce the psi will get you a better ride. My first pick for one of the smoothest riding, quiet grand touring all season tire is the Vredestein Quatrac Pro. My second pick would be the Michelin Primacy Tour A/S.

That said, you can fit the OEM 19" premium wheels on your GTPE. I would go with a tire one size larger than OEM on those wheels to a 235/55/19. This will give you another 1/2" of sidewall cushion over the 255/45/20 tires which will give a slightly softer ride. It has the same load rating of 105 so you can still run them at around 36 psi. Would I do this? No because I'd rather give up that slight bit of extra softness for a wider tire that handles better and connects to the ground better when unleashing that extreme amount of torque the GTPE has.

 

[Scooby24]

Yes, I drive in whisper mode all time when I’m with family; my son is still getting nauseous in the back seat.

Is he looking at a phone or tablet?

 

[jhovesen]

Is he looking at a phone or tablet?

He gets motion sickness even when he is not looking on his tablet or reading a book.

 

[jhovesen]

I would do what Brian said in post #3 and go up one size from the tires you have now. I would also pick a tire that is known for a smooth ride which would not be a performance summer tire. The GTPE OEM Pirelli P Zeros have a very stiff sidewall which give a very firm ride. Generally a grand touring all season tire is smoother because of a softer sidewall construction among other things. That coupled with the slightly taller tire so you can reduce the psi will get you a better ride. My first pick for one of the smoothest riding, quiet grand touring all season tire is the Vredestein Quatrac Pro. My second pick would be the Michelin Primacy Tour A/S.

That said, you can fit the OEM 19" premium wheels on your GTPE. I would go with a tire one size larger than OEM on those wheels to a 235/55/19. This will give you another 1/2" of sidewall cushion over the 255/45/20 tires which will give a slightly softer ride. It has the same load rating of 105 so you can still run them at around 36 psi. Would I do this? No because I'd rather give up that slight bit of extra softness for a wider tire that handles better and connects to the ground better when unleashing that extreme amount of torque the GTPE has.

Thank you! I’ll look into your suggestions.

 

[jhovesen]

So, I decided to get 255/45/20 all season tires (CrossClimate2 SUV) and under inflate to 36 PSI. Got them installed yesterday. I also changed the mode to Engaged and turned propulsion sound on. I’m too fond of 1PD to turn that off . We'll see how that works out.

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