Will an 18" spare fit in the trunk well of a 2019 GT premium? - Ford Mustang Forum
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post #1 of 9 (permalink) Old 07-01-2019 Thread Starter
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Will an 18" spare fit in the trunk well of a 2019 GT premium?

I would like to use a full size spare even if I can only use it on the front. I have 20" wheel option and no performance pack options, so standard brakes.

I have been able to exercise this option in my Subaru Legacy with stock tire/wheel size, as well as my GF's Kia Soul.

Don't have car in my possession yet. Anyone tried it?

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post #2 of 9 (permalink) Old 07-01-2019
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I don't know about any specifics for the 2019 model year, but the basics have not changed from prior years:

> any spare tire must be very close to the same diameter as the other tires on the car . . . so the spare tire well must be sized to fit the diameter
> not sure if your 20" wheels are an exception, they might have larger overall tire diameter that won't fit
> any spare you use, should match the overall diameter of the other tires pretty close (within about 1/4" or less if possible)
> my 2010 came with a "donut" that matched the diameter of my other tires pretty well, but it was much thinner and that's why it fit in the well
> any real spare wheel/tire that is wide enough to clear the front brakes, will likely stick up/out of the well -- so you'll need to decide if you need a flat floor in your trunk, or if you can live with the big lump caused by the spare sticking out

Easy way to test it: take one of your current wheels off, and see if it fits in the well


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post #3 of 9 (permalink) Old 07-01-2019 Thread Starter
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Thanks, I was hoping someone had tried it. I'd rather go with stock 18" tire, as it is 1" narrower than the 20" and will sit lower in the trunk, while the diameter/circumference are the same as the 20" tire. Otherwise, I am ok with the tire sticking up a couple inches. I live alone, so it is up to me what I carry in the trunk.
I had an experience a few years ago when my fully loaded Subaru ran over some sort of metal rod that poked a hole in my tire and wheel. I had to go 4 hours at 55 MPH on a temp spare while traffic went by me at 75. An inflator kit would not have worked in that situation. I vowed never to go without a full size spare if possible.
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post #4 of 9 (permalink) Old 07-01-2019
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Quote:
Originally Posted by Silver1 View Post
Thanks, I was hoping someone had tried it. I'd rather go with stock 18" tire, as it is 1" narrower than the 20" and will sit lower in the trunk, while the diameter/circumference are the same as the 20" tire. Otherwise, I am ok with the tire sticking up a couple inches. I live alone, so it is up to me what I carry in the trunk.
I had an experience a few years ago when my fully loaded Subaru ran over some sort of metal rod that poked a hole in my tire and wheel. I had to go 4 hours at 55 MPH on a temp spare while traffic went by me at 75. An inflator kit would not have worked in that situation. I vowed never to go without a full size spare if possible.
Best way to tell is measure it out, measure the depth and diameter of the well


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post #5 of 9 (permalink) Old 07-01-2019 Thread Starter
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Quote:
Originally Posted by my89foxbody View Post
Best way to tell is measure it out, measure the depth and diameter of the well

I agree, but I won't have access to the car until tomorrow. Tire Rack has some closeouts in 18" wheels and tires that I was interested in ordering today. I can order tomorrow after I measure.
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post #6 of 9 (permalink) Old 07-07-2019 Thread Starter
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OK, put the 20"OEM wheel/tire in the empty trunk. It fits in the well, but I had to remove the rear trunk plastic trim, a quick job removing 4 plastic nuts and defeating 2 body clips. Otherwise, I would have to trim the tabs that hold up the cover that lifts off to reveal the well. The tire sticks up substantially, but I can work around that. I could just place it there for trips. Sorry, no pics. That is one heavy wheel/tire combination.
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post #7 of 9 (permalink) Old 07-07-2019
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I use the space that the inflation kit was in to store a 1.5 ton Harbor freight tools Aluminum floor racing jack, tools, first aid kit and jumper cables. I made a cover for that space using 1/2 inch plywood. I stapled velcro hook fastener to the plywood. The velcro holds the grey trunk jute material I ordered from Amazon.com. The plywood supports the weight of the spare tire and wheel. I used wooden shims with attached velcro hook to hold the spare in place in a corner of the trunk.
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2010 Kona Blue GT Premium traded in June 2016 for a 2016 Oxford White GT Premium with Ceramic interior. Automatic transmission, Sync3, p265/35r20 tires, Shaker audio system. Other vehicles 1964 Pontiac Catalina 389, 1972 Pontiac Lemans 400, 1967 Ford F-100 352, 2016 Ford F-350 Dually, 2003 Ford Crown Victoria LX.
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post #8 of 9 (permalink) Old 2 Weeks Ago
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A little pricey but will work front/rear and fits in the trunk space; I will pay for the convenience and no hassle tire change.

https://www.automotiveauthorityllc.c...nt=35757212297
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post #9 of 9 (permalink) Old 1 Week Ago
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I bought a 2019 GT - not premium - but should be the same. Stock wheel will NOT fit in the tire well. So I bought a spare from Ford. It fits right in. Gotta get a lug wrench and jack though. I got the lug wrench. Looking for a small jack.
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