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Model S 2021 refresh tire / wheel size

Hayseed_MS

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Jan 19, 2021
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Moderator note: The starting posts in this thread were moved from the "Model S Delivery Update thread", in response to some photos of the 2021 refresh on a car carrier.

Most importantly - can anyone read the tire size on the rear??
 
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Hayseed_MS

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So then the rear is not 285-30.. the front is clearly a 265-35

The front has an OAD of FR 28.3 and RR 27.8 per Michelins specs for the 265 and 285 respectively. Not sure if they would accept 0.5" smaller rear to start. The rim size and such will make the mounted OAD larger or smaller so it is conceivable that the 285 is correct.
 
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Drew-MS

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The front has an OAD of FR 28.3 and RR 27.8 per Michelins specs for the 265 and 285 respectively. Not sure if they would accept 0.5" smaller rear to start. The rim size and such will make the mounted OAD larger or smaller so it is conceivable that the 285 is correct.
Thanks, well this makes it easier to choose wheels. If the 21” rear is 285-30, I’m definitely go with the 19s with a 285-40 (as per the kilowatts.)
 

Hayseed_MS

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Hoping these are just the same arachnids used on the previous versions which would make them 9.5 front and 10 rear wide. Previous used 265's on the rear 10" wheels so they should fit great. If that is the case, I will just switch out to 265 wide front and rear and make them square. Lots of good choices in 265/35r21 tires.

Also, would rather have the lug nut covers and center cap than the one piece they show on the website.

If they actually changed the wheels. then never mind.
 
Looks like either a 285/30 or 295/30 for the rear.
 

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Seeing the wheel size in another forum post and cross referencing the all season tire options for the arachnids has me wondering what the best all season tire option is here. No one has makes a 265/35/21 295/30/21 AS set. The closest staggered setup I could find was Michelin Pilot sport AS4 mix of 255/40/21 and 275/35/21. Slightly larger front diameter to rear to like OEM, similar enough diameters front to rear (I think) and reasonably close to oem widths. The marginally higher sidewall heights shouldn’t matter.

Are there better AS options I am missing as max performace summers are not great options in Colorado but hate the 19 inch wheel looks?
 

Hayseed_MS

Spreader of "Endless Non Sequitur"
Jan 19, 2021
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I just contacted Michelin on their chat and they confirmed a pilot sport AS4 in 295/30 21 will be released in July. They already offer the 265/35 21. We will have an AS option for the arachnids that are to OEM spec, just not today. Answered my own question :)!

Also the Yokohama Advan A/S + seem to have good reviews. They have a 265/35 and 275/35 (same overall diameter). Still wide and less rolling resistance. At a good price to boot.
 

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