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YES, a Full Size spare WILL fit in the donut spare area!!!

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30K views 69 replies 25 participants last post by  briscoe874  
#1 ·
Just got new wheels for our 23 Tuscon hybrid, and as most of you know there's no spare tire (w/ the hybrid models), only a tire mobility kit and a giant foam block under your trunk mat, not a great option if you get unlucky and have a blowout or slice a sidewall. And when this happens you're typically in the middle of nowhere and it's midnight :(

The donut spare that are included in other Tuscons may or may not work since you have to be very careful w/ All-Wheel-Drive regarding rolling diameter. I haven't seen the exact variance that is permissible, but keeping it below 1% should suffice (and if anyone knows what the exact figure is please post up!) Also keep in mind most donut spares have a short tread life (I think some are less than 100 miles IIRC) and also some speed restrictions in most cases, some have 50mph speed restrictions. The speed restrictions and tread life are big negatives, especially if you have a tire swap and a 75mph highway to drive :(

Since I didn't want to rely on the tire kit and also didn't want to end up w/ a tire size that may cause AWD issues, and the inherent issues that running a donut spare can incur I wanted to give a REAL full size spare a try.

Once you remove the foam block you'll see several threaded studs coming up from the bottom of the floor. You will need to grind off 4 of the 5 studs, I blue-taped the one stud you leave remaining. Be sure to have a large rolled towel around the grinding path to keep sparks contained. Once you get the studs cut, go back over them w/ the grinder to flush grind the studs so no edges are sticking up. You will then spot-prime them to keep any rust from forming, I used a dark gloss gray primer/paint combo spray can.

As you can see from the pics there is plenty of room to store your scissor jack, your jack tools, jumper cables, tire mobility kit, first aid kit and much more room for other items. I have some closed-cell foam that I will cut up to make everything rattle-free, and I will use a threaded collar on that one remaining stud to anchor the tire to the floor after I figure out what all I want to put in that storage area.

So in short, if you have an extra OEM wheel, or if you want to find a 19" hyundai tuscon compatible wheel on ebay etc, and get a 235/55/19 all-season tire you now have a spare that you won't have to worry about should the need arise, and 100% safe w/ your AWD. And for just an extra $36, this seller is GREAT!!!

I have a much better spare than paying up to $450 for a donut remedy :) You can find scissor jacks on Amazon etc for under $50, just need to make SURE the have the slot on top to work on the Tuscon pinch seam such as this

The ONLY thing you will sacrifice is just a bit of rear storage since you have to use the upper platform support, but there's still plenty of room, and the floor folds down just fine w/ still a bit of room before it were to hit the tire :)

Keep in mind, this is for any Tucson ICE and regular hybrid, but I am NOT SURE if the plug-in hybrid has the same room under the folding platform, so if you have a plug-in (PHEV), you will have to compare to the pics I posted and see if you indeed have the same room under there :)

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#62 ·
Just got new wheels for our 23 Tuscon hybrid, and as most of you know there's no spare tire (w/ the hybrid models), only a tire mobility kit and a giant foam block under your trunk mat, not a great option if you get unlucky and have a blowout or slice a sidewall. And when this happens you're typically in the middle of nowhere and it's midnight :(

The donut spare that are included in other Tuscons may or may not work since you have to be very careful w/ All-Wheel-Drive regarding rolling diameter. I haven't seen the exact variance that is permissible, but keeping it below 1% should suffice (and if anyone knows what the exact figure is please post up!) Also keep in mind most donut spares have a short tread life (I think some are less than 100 miles IIRC) and also some speed restrictions in most cases, some have 50mph speed restrictions. The speed restrictions and tread life are big negatives, especially if you have a tire swap and a 75mph highway to drive :(

Since I didn't want to rely on the tire kit and also didn't want to end up w/ a tire size that may cause AWD issues, and the inherent issues that running a donut spare can incur I wanted to give a REAL full size spare a try.

Once you remove the foam block you'll see several threaded studs coming up from the bottom of the floor. You will need to grind off 4 of the 5 studs, I blue-taped the one stud you leave remaining. Be sure to have a large rolled towel around the grinding path to keep sparks contained. Once you get the studs cut, go back over them w/ the grinder to flush grind the studs so no edges are sticking up. You will then spot-prime them to keep any rust from forming, I used a dark gloss gray primer/paint combo spray can.

As you can see from the pics there is plenty of room to store your scissor jack, your jack tools, jumper cables, tire mobility kit, first aid kit and much more room for other items. I have some closed-cell foam that I will cut up to make everything rattle-free, and I will use a threaded collar on that one remaining stud to anchor the tire to the floor after I figure out what all I want to put in that storage area.

So in short, if you have an extra OEM wheel, or if you want to find a 19" hyundai tuscon compatible wheel on ebay etc, and get a 235/55/19 all-season tire you now have a spare that you won't have to worry about should the need arise, and 100% safe w/ your AWD. And for just an extra $36, this seller is GREAT!!!

I have a much better spare than paying up to $450 for a donut remedy :) You can find scissor jacks on Amazon etc for under $50, just need to make SURE the have the slot on top to work on the Tuscon pinch seam such as this

The ONLY thing you will sacrifice is just a bit of rear storage since you have to use the upper platform support, but there's still plenty of room, and the floor folds down just fine w/ still a bit of room before it were to hit the tire :)

Keep in mind, this is for any Tucson ICE and regular hybrid, but I am NOT SURE if the plug-in hybrid has the same room under the folding platform, so if you have a plug-in (PHEV), you will have to compare to the pics I posted and see if you indeed have the same room under there :)

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Blnewt, when you get a chance, do you mind sharing a pic of how you ended up strapping it down? I did a fender washer between two nuts on the remaining stud and used a bunch of polyester rope and various knots around the spokes of the tire.
I know if the car were to flip, that stud would easily bust off and it would be up to the cargo tray to keep the tire from flying around the cabin.
Plus the stud is offset to the bottom left of the tire and really only holds it from one side.
Thanks.
 
#64 ·
Thanks to all who offered suggestion for my 2023 Tucson PHEV Limited. Having been stranded once with a sidewall problem I've decided to go with Modern Spare Tire Company. While pretty expensive I just wanted something simple that was dependable that's where I landed. Wanted a DOT approved tire, with a bit more range and the promise of correct fit. I'll place the spare tire kit in my hatch or keep it in the trailer when we travel it should give me the security of a quick change with enough durability to get me away from a camping spot with or without the trailer. Amazon was a cheaper way to buy it but I called Modern Spare Tire and they reduced the price to the same proximate cost as Amazon so I ordered direct from the company. Someone has helpfully already posted this site but I'll repost again here. I have not received or tested the item yet, not endorsing it yet either and this is just FYI until I can try it out. Thanks again for all the advice. Hyundai should have done this and it's another strike against how they do business in my book. Here's the link: For All 2021-2024 Hyundai Tucson Models (Including Hybrid)- Spare Tire And Complete Accessory Kit Options
 
#67 ·
5 x 114 and center hub 67.1 very important and offset 51
5 x 114 and center hub 67.1 very important and offset 51
Thanks for the response. I am not talking about the tire. In the tire well of a 2024 tucson hybrid there are a number of small bolts that protrude into well. they are intended to hold the battery of a plugin tucson hybrid - which mine is not. It is a standard hybrid. I need to secure something to one of those bolts but cannot find a nut that will screw on the bolt. They appear to be 5mm bolts but a 5mm- .08 nut will not fit. I am hoping someone can tell me the size and thread pitch.
 
#68 · (Edited)