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Discussion Starter · #1 ·
First off, I'd like to acknowledge @Samito01 for the picture of his car with these wheels, which was my inspiration. However, after all of my questions going unanswered about fitment and specs I took a chance and dropped $1,200 on a used set of 2021 Accord Sport wheels and tires without knowing if I'd need spacers or to do any modifications. These wheels are on the 2019-2021 Accord Sport but again, these are from a 2021 and you may want to verify that the specs are the same for all of them.

So, here is my post with all specs, fitment and performance notes. My car is a 2020 HR-V AWD and is not lowered or otherwise modified. I have no plans to lower it unless there is a lowered shock/spring package on the market. In short, they fit without any modifications needed and the Accord Sport lug nuts screw right on to the HR-V studs. The wheel locks from the Accord Sport worked on the HR-V too and although both key locks appear similar and had the same part number on them, the key's puzzle was not the same. I did not have to modify the wheels, tires, suspension or body in any way. It just all bolted up perfectly. The wheels are 19x8.5" ET50 (ET is offset) and the tires are 235/40-R19 run flat. Please refer to the pictures posted for all of the technical details. I did not have a way to weigh the them (Accord Sport vs HR-V AWD) but I did not notice any extreme difference between the two when compared as I was mounting them myself.

They are only 0.1" difference in diameter, so the revs and speedometer are nearly unaltered. The tires do not rub inside the fenders or on any of the body panels or suspension. I've driven 200 miles so far, over all kinds of roads and also rail road tracks with no issues at all. I have went over a "speed bump" too and that was not an issue.

Performance wise it's outstanding, the car feels more "planted" on the road. The width of the wheels and tires make it considerably more stable. There is no more wandering/following the road because of the skinny wheels and tires. That blown around the road because of high winds feeling is gone too. It corners better and handles better too. The ride is about the same but I do feel the difference between the stock tires and these, these tires feel firm on the bumps in the road but not harsh. The faster that you're going the less you'll notice that the tires are firm on the bumps. When at usual cruising speed of 50-70 mph, I did not notice the tires being firm on the bumps at all. I did not notice any difference in braking at various speeds.

The pictures speak for themselves as far as how they fit the body and in the fender wells. It no longer has that dinky little car look either, it makes it look a bit larger than the subcompact SUV that really is the HR-V. It looks a lot better in person than these pictures online. The design is opinionated, so I won't get into who likes what, but the main point I'd like to get across is that this is the size of wheels and tires that you want to make the car handle and hold the road better. These make the car handle and hold the road like it was meant to be in the first place. The factory stock size wheels and tires on the HR-V is a downfall, these completely change the characteristics of the car. It feels safer because of the wide wheels and tires and it gets run flat tires too. It's not just about the looks, so choose what brand and design you prefer but these specs (19x8.5" ET50 235/40-R19) are perfect for this car.

I'll update this post with any issues if they come up. The alignment didn't seem to change, the car tracks the same, but I will get a four wheel alignment check just to be sure. If anyone has anything constructive that would help with this experiment, feel free to post. I do have CVT concerns already, not because of these wheels and tires but because the CVT is problematic to begin with already. I will post every 5,000 miles if there are any problems, my car is at 10,700 miles right now.

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Discussion Starter · #3 ·
I will post every 5,000 miles if there are any problems, my car is at 10,700 miles right now.
Last night, at 17,945 miles, the TPMS light came on and I pushed the button to turn it off then drove another 40 miles home and it did not come back on. I didn't see anything wrong with the tires. It may have come on because the tires may be due to be rotated, which I will have checked on the next oil change but the last oil change they were fine.
 

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Last night, at 17,945 miles, the TPMS light came on and I pushed the button to turn it off then drove another 40 miles home and it did not come back on. I

You can't turn it off. That is the recalibration button. If you just rotated the tires and forgot to recalibrate. That will set it off.

I would set the tires to correct pressure and recalibrate again.
 

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Discussion Starter · #6 ·
I meant turn the light off not the system. I've driven over 100 miles and it hasn't come back on (yet?). About the pressure, these have a green cap on the valve stem, does that mean that it doesn't take regular air? Google says filled with nitrogen, where can I get that other than the dealership? When I bought them (like new 2021 Accord Sport) he told me that they were run flat tires but I suspect that they're not.
 

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This may save you travelling 300 miles. Though I should point out The Proclaimers would consider that sort of distance a brisk stroll......


Check the tyre manufacturers website to see what markings they use to identify run flats, and see if your tyres have them.
 

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Sorry if I missed it.. What model Michelin tires are those?

I hope they are not run-flat tires. Run-flat tires have a huge disadvantage, the weight.

Don't worry about the nitrogen in the tires. :)
 

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Discussion Starter · #16 ·
It's the Michelin Primacy mxm4 and I'm still trying to learn if they're run flat or not. It does say "tubeless" on the tire.

 

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It's the Michelin Primacy mxm4 and I'm still trying to learn if they're run flat or not. It does say "tubeless" on the tire.


It's been awhile the I've run into the topic of run flat tires..

My experience is noticing years ago, slightly used, very expensive run flat tires were cheaply available.
These used tires were coming from owners of new Corvettes, Porsches, etc. who were getting rid of them.

At track days when I was road racing my Mustang, I would also see the Corvette and Porsche guys taking off their street RFT tires/wheels swapping them for road course wheels/tires.
The RFT tires were heavy and were hurting lap times.

Also if you drive on a run flat tire, it has to be replaced just like if you drove on a regular tire that was flat.
Plus an RFT does not look flat if it is flat. So a TPMS system is mandatory with RFT tires.
All this adds up to many disadvantages.

At one time, a run flat tire would have "RFT" included in the sidewall tire size.
eg. P235/40R19V RFT.

A little research shows that each tire manufacturer now has a different abbreviation for run flat tires.

For Michelin it's "ZP", zero pressure.
So P235/40R19V ZP for your Michelin tires if they are run flat.


The Tirerack website is excellent for tire info.
Here is their info on run flat tires: https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=56
 
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Discussion Starter · #18 ·
I was in a passing situation on the interstate and got up to 90 mph, the car felt planted and stable. I’d never gone that fast with the original wheels, so I can’t compare.
 

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Discussion Starter · #19 ·
I passed one of those machines on the highway that tells you what your speed is to compare to the posted speed limit and I’m reporting here that with these wheels and tires the speedometer didn’t change at all. My speedometer is still accurate.
 
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