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Replacing 18" "Temporary Tire" Spare with Regular Tire - Will It Go Under The Truck?

RSConsulting

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So I got a sidewall puncture on one of my tires Sunday - spent a lovely 2.5 hours in monsoon rainstorm waiting on AAA to come change it out (better HIM than ME).

'19 Limited with 22's - NOT running the Goodyear Grand Tourings (shredded them off in 13K miles) - running Michelin Premier LTX 285/45/22 which, of course are pretty much out of stock at the moment - earliest I could get one was Friday, so I subbed a Defender LTX in its place (same tread pattern - 110 versus 114 load rating - not worried for the moment) - because there was no way I could run the spare the entire week (without destroying it).

FYI - the "temporary spare" - if you have to REPLACE IT - costs almost as much as TWO REGULAR TIRES. And it appears to be a DEALER ONLY SKU

Rolling stock for 18" wheels is: 275/65/18 - and has the same rotational diameter as the factory 22's (285/45/22) - 32.1".

Is is safe to assume that a "regular tire" on the steel 18" rim will fit under the truck in the spare tire location? Especially since "full size spares" are an option?

Rick
 

hceptj

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I have a '19 with 20" rims and bought a "used" factory rim off ebay for $100 and put a used but fairly new tire on it...it fits with no problem. I had the 18" spare as well and just couldn't see that on a 4x4 truck even on city streets if I had a flat.
 

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