Replacing rims on 2016 Genesis Coupe? - Hyundai Genesis Forum
 
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Replacing rims on 2016 Genesis Coupe?

Hi,

I would like to replace the rims on my 2016 Genesis coupe V6/3.8L I just got with something matte black. Trouble is, the stock wheels are 18x7.5 in the front and 18x8 in the back, where the 18x7.5 in the front are pretty hard to find a nice matching set for. The tires I obtained have 100 miles in them (my driving the first 3 days), so I would prefer not to have to replace them (225/45R18 in the front; 245/45R18 in the back). Both tire sets are rated such that they will fit 18x8 rims in theory. Would I be able to replace the stock rims front and back with a set of 18x8 without worrying about my tires wearing oddly due to the first ~300 miles (by the time I am able to get a replacement set of rims) being on different size rims?

Last edited by ericwb95; 2 Weeks Ago at 06:13 AM.
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Wear should not be an issue. Your tires will barely notice a half-inch change in width.

If you’re set on 8s all around, just know your tires are going to look different front-to-rear based on the tire width. A 245 rear is going to fit differently than a 225 front.

That said, you could run 8-8.5 front, and an 8.5-9 rear, and it should look good, as long as you keep the 1/2 inch stagger to account for your current tire sizes.

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Consider a square setup

Agree with L8Braker, that wear will not be an issue. However, you may want to take into account the advantages of using the same width front and rear, and then also using the same width tires when you're ready to replace the current set.

The initial advantage of a square wheel/tire setup is the ability to properly rotate the tires, which means you might be able to get more wear out of them. You may also like the handling advantage though. Our cars are front heavy and therefore like to understeer (push the front). This tendency is only increased by having more rubber on the road in the rear. With the right offset, you can easily fit 255s on the front. Running the same size on the rear will still give you a bit wider tire than stock, but will allow you to set the car up for less understeer without having stiffen the rear suspension.


Just my $.02. No, I didn't do that with my car, but I wish I had. Those 275s in the rear look great, but I use up a set of fronts when the rears still have at least 30% tread left. Getting the car to oversteer with them requires extreme measures.

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This is a shift from the question by "ericwb95", but the answer by "L8Braker" raises another question:
What is the harm in buying new 18x7.5 wheels ALL AROUND and pairing with 225/45R18 tires ALL AROUND?
I've been trying to do this on my 2011 Track, but the tire shops are not willing to depart from the OEM standards.
I just want to rotate my tires like normal, front to back. I'm old, I don't need the enhanced performance alleged with the OEM tire specs.
Thanks for the time.
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Dave, no harm except for the little issue at the bottom. The 245s look pretty skinny on our cars because the car is so wide in the rear. Running 225s in the rear would definitely not help that. You might consider going to the 18x8 rear wheels all the way around and running 245s front and rear. That will also make the tire shops happier. The chain stores generally won't like you going to less tire than you had stock. They'll mount a wider tire, as long as you already have that width on the car. That means you may have to get the first set mounted a little independent shop. After that you can go back to a chain for purchase and installation.


The issue, for both you and Eric, is that running the same diameter tires front and rear can mess with the traction control. I personally turn mine off almost every time in the car, because it's so intrusive at the most inopportune moments. You might get some unexpected TCS intervention unless you push the button to turn it off.

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Thanks, Alottabull for making me think about the looks of thinner tires in the rear...AND about traction control, which can be annoying.
Regarding 18x8 rims and 245 tires, one tire guy told me the larger tires would rub against the front fenders when turning...is that true? If not, I will gladly convert ALL AROUND to 18x8 rims and 245 tires!
Again, thanks for the advice.
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Quote:
Originally Posted by L8Braker View Post
Wear should not be an issue. Your tires will barely notice a half-inch change in width.

If you’re set on 8s all around, just know your tires are going to look different front-to-rear based on the tire width. A 245 rear is going to fit differently than a 225 front.

That said, you could run 8-8.5 front, and an 8.5-9 rear, and it should look good, as long as you keep the 1/2 inch stagger to account for your current tire sizes.
Will an 8 front; 8.5 OR 9 rear with ~30-45 offset with the tires listed (225/45r18 and 245/45r18 at first, with next set of tires at 245/45r18 and 255-275/45r18 whenever these tires need a replacement) keep the traction control working okay, and more importantly, fit without rubbing (2016 genesis coupe)? I have zero plans to lower my car.

I typically use the traction control, for now anyway; first performance-ish car so not used to not having it to save my life when I do stupid things at high speeds. I'm sure I'll convert in the next few months, but for now I'd definitely like that to not be ****ed up.

Last edited by ericwb95; 6 Days Ago at 11:08 AM.
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Not sure a 245 on an 8” front is going to look all that great. You might have rubbing if you end up with +45 offset too. You’d probably have to run spacers. On the rear, you could run 255s, but 275 on an 8.5” is sketchy imo.

As for TC, as long as the rears are slightly bigger than the fronts, you should be fine. The window is about 3%.

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