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Model Y Suspension and Ride Comfort Options

DayTrippin

Member
Apr 30, 2021
759
738
Jax
The looks. So many people are into the big wheels/thin tires these days.
I don't get it. Every wheel/tire choice is some sort of compromise in the end when driving on the street. My MY is a street car, not a race car. If I am exceeding the pretty high limits of the stock tires on the street, I am likely driving way too fast for the street.

On the skidpad the MYP was .94g and the MYLR .88. The MYLR specs are right in line with the BMW 330xi for lateral acceleration which has been a benchmark car in its class for a long time. If you move up to the M3, it crushes both the MYP and MYLR with over a 1g. If was tracking the car all the time (not the ideal car for that and the M3P would be better anyway), I'd get a dedicated set of wheels/tires for the track.

I am not going to notice much of a difference in the lateral acceleration capability on most roads between the LR and P. Those big heavy wheels sure look cool on the P for most people. Too many tradeoffs for me in every area; heavy, worse ride quality, easier to curb, easier to get pinch flats, fewer tire choices, terrible in cold weathe,r and more expensive tire choices to name a few. If you live where the weather ever gets below 50F, you'll need another set of tires at a minimum. I get what Tesla was trying to do with the MYP, they definitely could have executed better on the wheel/tire combo.
 

Exelion

Member
Feb 21, 2021
258
340
Los Angeles, CA
Tesla was trying to do with the MYP, they definitely could have executed better on the wheel/tire combo.
Yes, more thought could've been given to the wheel/tire choices, such as:

-Making 18" wheels accessible to Model Y, which do fit and work fine with 235/55R18

-Offering 18, 19, and 20 sizes to all models, regardless of trim selected

-Not *forcing* the silly, heavy iron 21" wheels on the P models. There's a reason why the for-sale section is full of people offering to trade 21" wheelsets for FREE for 19" and 20".

-Partnering up with a lighter wheel mfgr. Even if the upgrade was for just the P model, it would give such a huge price advantage for just this option alone.
 
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Pianewman

Active Member
Oct 28, 2020
1,484
1,065
Fort Worth


Yes, more thought could've been given to the wheel/tire choices, such as:

-Making 18" wheels accessible to Model Y, which do fit and work fine with 235/55R18

-Offering 18, 19, and 20 sizes to all models, regardless of trim selected

-Not *forcing* the silly, heavy iron 21" wheels on the P models. There's a reason why the for-sale section is full of people offering to trade 21" wheelsets for FREE for 19" and 20".

-Partnering up with a lighter wheel mfgr. Even if the upgrade was for just the P model, it would give such a huge price advantage for just this option alone.
I don't disagree with any of the above. But. ALL OF THE ABOVE slows down production, adds cost, etc. Tesla has more important things to think about...like rocketships...
 
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kindofblue

Member
Mar 14, 2021
111
73
Pismo Beach CA
If you wait until your OE 19" Conti's need replacement, 18" tires are cheaper than 19"s. You can use your existing tpms. You'd be paying to mount and balance anyway. You're much less likely to get curb rash. Your wheels are lighter. Your range is farther. Your car is faster. You can easily sell your Gemini. I'm not seeing a downside.
Wouldn't a smaller tire size affect the speedometer reading? Am I missing something here?
 

DayTrippin

Member
Apr 30, 2021
759
738
Jax
The tire size is more to adjust the estimated range other than the 21's. I think the overall diameter is the same for the 19's and 20's. When I looked at going 18", there were a lot of tire options I could have gone with to keep the overall diameter the same and not throw off the speedo.
 

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