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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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!!!
Used 235/55R19 Michelin Primacy A/S 101V - 5.5/32 | eBay
Model Primacy A/S. section width 235. The manufacturer warranty does not apply. Tread Depth: 5.5/32. thread depth 5.5/32. THE LARGEST INVENTORY OF USED TIRES. Condition Used. All tires sold are USED, with different treads left.
www.ebay.com
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
Amazon.com: LEADBRAND Car Jack Kit | Scissor Jack for Car 1.8 Ton- Tire Jack Tool Kit | Portable, Ideal for SUV and Auto - Universal Car Emergency Kit (1.8Ton) : Automotive
Buy LEADBRAND Car Jack Kit | Scissor Jack for Car 1.8 Ton- Tire Jack Tool Kit | Portable, Ideal for SUV and Auto - Universal Car Emergency Kit (1.8Ton): Scissor Lift Jacks - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
www.amazon.com
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
