18" Tire size options: '06 Envoy

CajunWon

Original poster
Member
Nov 25, 2012
137
Cary, NC
Any thoughts on the tallest/skinniest tire for '06 Envoy Denali with 18" wheels? oem 245/60/18
Appears that spacer may be required for 30s on the front only, rear has plenty of room.
Would be nice to have taller tire to effectively lower the 3.73 gearing. Don't do heavy towing anymore, & the 5.3 jerks everyone's neck when light turns green.

Here's a handy chart for 16" & 17": http://forums.offroadtb.com/viewtopic.php?f=15&t=2290
 

djthumper

Administrator
Nov 20, 2011
14,950
North Las Vegas
That chart is a good chart though geared towards the off road tires. No matter what the largest diameter tire that you can put on there is a 30.6". 255/60R18 is about 30"
 
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CajunWon

Original poster
Member
Nov 25, 2012
137
Cary, NC
235/65/18
Shows as 30" with less width at 9.3"
 

Denali n DOO

Member
May 22, 2012
5,596
Hi. My first set of Toyo tires were 255/55/18. Now I have Toyo 255/60/18, 3:73's for me too. I prefer the taller tire and it fits the wheel wells nice.
 

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