20” Tire size recommendation
05-03-2022, 03:30 PM
#1
Junior Member
Thread Starter
20” Tire size recommendation
I’m looking to pick up some used wheels (20x8.5 all around) with 245/45/20 tires installed already. Does this fit or would I need a thinner tires? If so, what tire size is recommended? Car is stock height. Don’t plan on lowering it (I think). Appreciate the help.
05-03-2022, 06:38 PM
#2
Junior Member
The 20x8.5 around should be OK, but check the ET/offset value on these wheels and check it on all 4 of them.
I think the tires will physically fit in a W213 but - 245/45 is a tire with 730mm diameter (109mm sidewall). The stock diameter on the W213 is around 680mm. This will make your speedometer off by about 7% (you will be going faster than what it is showing).
You can play with wheel and tire sizes here: https://www.wheel-size.com/calc/
There are number of other posts on the topic of wheel sizes and tires.
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mrOBANA (05-03-2022)
05-03-2022, 08:44 PM
#3
Junior Member
Thread Starter
Need to also know the wheel offset (or ET value). The stock wheel offset is around 45. Bigger offset/ET number the wheel will be deeper in the wheel well, smaller offset/ET means it will be further out of the wheel well.
The 20x8.5 around should be OK, but check the ET/offset value on these wheels and check it on all 4 of them.
I think the tires will physically fit in a W213 but - 245/45 is a tire with 730mm diameter (109mm sidewall). The stock diameter on the W213 is around 680mm. This will make your speedometer off by about 7% (you will be going faster than what it is showing).
You can play with wheel and tire sizes here: https://www.wheel-size.com/calc/
There are number of other posts on the topic of wheel sizes and tires.
The 20x8.5 around should be OK, but check the ET/offset value on these wheels and check it on all 4 of them.
I think the tires will physically fit in a W213 but - 245/45 is a tire with 730mm diameter (109mm sidewall). The stock diameter on the W213 is around 680mm. This will make your speedometer off by about 7% (you will be going faster than what it is showing).
You can play with wheel and tire sizes here: https://www.wheel-size.com/calc/
There are number of other posts on the topic of wheel sizes and tires.
I’ve search the forums but I don’t see a lot about 20” tire size for square setup.
So I just found out the offset on the wheels I’m trying to get(Vossen HF-3), per their website it shows +40 for their 20x8.5”
05-03-2022, 09:45 PM
#4
Junior Member
This is what 20" (8.5 front, 9.5 rear, ET35) look like, with 255/35R20 tires on both front and back (the rear tire looks more stretched on the wider rim).
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mrOBANA (05-03-2022)
05-03-2022, 10:18 PM
#5
Junior Member
Thread Starter
Those wheels with 40 offset will be fine. You may even look at spacers if you want them more flush with the fender (contact www.OtisIncLA.com). I am not sure about the tire with such large diameter. I would go with something closer to the OEM diameter, and maybe a bit wider. Consider 245/40 or 255/35, which are the recommended tire widths for an 8.5" rim (https://www.tyresizecalculator.com/c...rim-size-chart).
This is what 20" (8.5 front, 9.5 rear, ET35) look like, with 255/35R20 tires on both front and back (the rear tire looks more stretched on the wider rim).
This is what 20" (8.5 front, 9.5 rear, ET35) look like, with 255/35R20 tires on both front and back (the rear tire looks more stretched on the wider rim).
I happen to come across carid.com and seen the exact same wheels. As I’m trying to build it, the only tires size they have as an options are 245/35. But 245/40 sounds more appealing with higher sidewalls.
