Anyone else have bumpy ride qaulity on 19 inch tires? - Ford Mustang Forum
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post #1 of 13 (permalink) Old 11-18-2017 Thread Starter
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Anyone else have bumpy ride qaulity on 19 inch tires?

I hate the fact the mustangs come with low profile tires. The 19 inch tires seem to give way to a bumpy ride qaulity on less than perfect roads. Anyone else notice this?

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post #2 of 13 (permalink) Old 11-19-2017
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Any larger than 18" wheels in an overall 27"+- tire leads to stiffer sidewalls, which leads to a harsher ride. Yup, many of us noticed, and didn't buy them.

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post #3 of 13 (permalink) Old 11-19-2017 Thread Starter
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I didn't have much choice when buying a used mustang. Made the mistake of falling in love with an ecoboost mustang with 19s. Didn't realize how difficult these tires are. Wouldn't buy another car with low profile tires especially size 19
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post #4 of 13 (permalink) Old 11-19-2017
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I didn't totally notice how rough of a ride my Ecoboost was with it having 20" tires. I like a firm ride but not sure this firm.
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post #5 of 13 (permalink) Old 11-20-2017
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Don't have an Ecoboost, I have a GT Premium with the 18 inch wheels, ride quality is great especially when compared to my previous car.

I had 19's on a 350z before I purchased this mustang. I'll never go to a low profile tire again, ever. The ride is horrible, the rims get destroyed and so on.
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post #6 of 13 (permalink) Old 11-20-2017
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Wow!!
Mine EB came with 18s and I've been eyeing the 19s with envy. Now I'm having second thoughts.
I drive 120 miles a day back and fourth to work so I wouldn't want to jeopardize my commute.


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post #7 of 13 (permalink) Old 11-20-2017
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I find the ride quality of both my 15 and now my 17 Ecoboost Mustangs with the Performance Package (19" wheels) to be to be very good for a 40 series tire. I have a set of 18" wheels with 225/55 tires for my winter set and don't find the ride appreciably different.
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post #8 of 13 (permalink) Old 11-20-2017
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I really should know better than to believe most of what comes out of a car salesman's mouth, but after I went for a test drive in an Ecoboost with the 20" Foundry wheels on it (OMG it beat me to death) I asked if there was any difference between the Ecoboost suspension and the V6 suspension. My question was met with an immediate "no". I didn't want my V6's smooth ride (17" wheels stock) to completely disappear, so I opted for 19" with 40-series tires. I can barely feel a difference. Wouldn't this suggest that the V6 suspension is softer?

O.P., if you'd like some 17" wheels with some very smooth-riding 55-series tires, mine are up for sale. :-)
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post #9 of 13 (permalink) Old 11-20-2017
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Interesting. Stock my car had 18's with a 235/50 tire and now have 20's with a 285/35 tire on back, and 255/35 on front, and honestly, my ride is at least as good as the stock set up. My ride quality hasn't suffered at all.

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As you can see from the different replies, it is a very subjective thing. Some people like "firm" and others call it "harsh."

It depends on the sidewall stiffness and load rating of the tires, and the tire pressure, too; not just the sidewall height.

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My measure of how good a suspension is how well it handles all the broken pavement that exists in my area.

A harsh suspension is one that bangs, gives you hard jolts over broken pavement and skips around as it transverses a section of broken pavement. The performance package suspension on my Mustang handles broken pavement with a lot of composure. It does not bang, jolt or skip around, just a firm thunk thunk. When I put on the 18" 55 series winter tires I do not notice any difference in the way it rides.
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Quote:
Originally Posted by eswilly View Post
Wow!!
Mine EB came with 18s and I've been eyeing the 19s with envy. Now I'm having second thoughts.
I drive 120 miles a day back and fourth to work so I wouldn't want to jeopardize my commute.


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I think it depends on your tastes and the type of roads you drive on. Do you have any friends who have a vehicle with low profile tires and a stiff ride? You might drive around in that for a bit to try and gauge what the ride quality is going to be like. You can also always take one for a test drive and find a bumpy road to get an idea what it's like.

My experience with low profile tires on my previous car might be worse then the Mustang. The 350z had 17 inch rims, adding 2 inches to the rim and reducing the tire size so much likely made the ride worse because the 350z suspension was set up for a completely different tire size.

My biggest complaint with the low profile tires I had, was that I was constantly damaging rims. You don't see pot hole or can't dodge a road hazard and your rim is toast. When I traded in the car my rims were egg shaped, I got sick of spending replacing the rims. I don't think rim damage would be as much of an issue on the Mustang, Ford likely made sure 19 inch rims and tires can take the rigors of driving.

You should also look into performance comparisons before you do it. It would be a bummer to lose some of your lateral G capabilities IMO.
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Interesting, my EB is the Pony Package that came with 19" wheels. Nothing has jumped out at me as being bumpy... Honestly after driving in my daily driver (Honda Fit) or occasionally taking my 05 GT out for a spin, being in the EB Mustang is like floating on air. It reminds me of my old 5.0 92 T-Bird I once had. I really love the car, love the way it drives.
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