Biggest tire size for stock wheels








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Telluride pic is stock suspension w/ 30mm spacer and 305/55/50 toyo at2
other are with forgestars as above spec and the same tires.
FWIW - I am currently run 325/65/18 on a 18x9.5 et 25 with a 30mm spacers on a 4" lift on our new G55 build - same flares and basic geometry minus the lift. -
But your use case is really what should dictate tire size if straying from OEM..... mall bus, stay stock..... mild fire roads etc maybe 285 overlander 305's maybe with a spacer or not..... and then.....this:
Hope that helps
[img]https://cimg4.ibsrv.net/gimg/www.mbworld.org-vbulletin/2000x1504/w463_copy_d11edc3c4e26bb20ce8025e528116f2828fb0d7b .jpg
Last edited by and808; Feb 6, 2023 at 12:12 PM. Reason: additional info




over in Europe MAS/ Victor may do something ?
keep us posted as it's something asked a few times a years it seems, but rarely the result is shared....
The Best of Mercedes & AMG
G550 2012
running OEM 20” G63 Wheels
would a 305/50R20 fit without rubbing (with or without spacer)? Going for lower height but wider tires to stick out from fender (does not need to be much). Or do you recommend 295/50R20 and run spacers? Ive seen another gwagon run 305 but not sure how much it rubs (if any)
Wheels i have




For reference, my tires are 285 70R18 = 33.7" in diameter. They are mounted on the stock 7.5" diameter wheels. My truck has a 40mm lift on it but no wheel spacers. They clear at both compression and full lock.




285 As JD101b's running are perfect if you don't like wheel spacers.





I also plan to use at least a 1" spring damper but probably also the 40mm spring spacer from JackWagonOverland if that doesn't require any other changes as I don't really want to get into all that yet. If I do go for an actual lift at some point, it will be 4" anyway and then I'll do all the things required.
I had planned to source 18" beadlocks but I'm not sold on the aesthetic design so will use this set up for a while.
This thread is a couple years old ut I'm hoping to revive it !
Telluride pic is stock suspension w/ 30mm spacer and 305/55/50 toyo at2
other are with forgestars as above spec and the same tires.
FWIW - I am currently run 325/65/18 on a 18x9.5 et 25 with a 30mm spacers on a 4" lift on our new G55 build - same flares and basic geometry minus the lift. -
But your use case is really what should dictate tire size if straying from OEM..... mall bus, stay stock..... mild fire roads etc maybe 285 overlander 305's maybe with a spacer or not..... and then.....this:
It looks like its been lowered in this photo, is that the stock ride height ?
Thx Karl
The added height of the 60 size tire sure did help with the G55 stiffer ride, next I will likely install some G500 / G550 shocks to smooth out the ride even more.
I also plan to put some 30mm spacers on, but thats just for looks.
Last edited by KarlC; Aug 14, 2025 at 03:41 PM.
The added height of the 60 size tire sure did help with the G55 stiffer ride, next I will likely install some G500 / G550 shocks to smooth out the ride even more.
I also plan to put some 30mm spacers on, but thats just for looks.
The added height of the 60 size tire sure did help with the G55 stiffer ride, next I will likely install some G500 / G550 shocks to smooth out the ride even more.
I also plan to put some 30mm spacers on, but thats just for looks.
Most of what I have read so far points to the Bilstein Blue / Yellow B4 shocks for a G500 being the best option for a G55 to improve the ride.
Some of what I have seen on this and other sites have shown the FOX shocks to have issue after a while.
Thx Karl
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