changing to 20" inch rims - Page 6 - Kia Forum

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post #51 of 59 (permalink) Old 12-03-2015, 08:14 AM
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Originally Posted by tuka View Post
i live in southern california and just bought a 2016 sorento lx v6 with awd in snow pearl.

i want to get 20" or 19" rims put on the car...american racing vn806s in black satin to be exact (sorry but the forum won't allow me to post a picture or link to the rims).

with these tires:
for the 20s: falcon ze950 255/45/R20, or 245/45 or 50/R20...... or for the 19s: same tire in a 245/50 or 55/R19

the whole thing will cost me about $1750 with the 20s ($1000 on the rims and $750 on the tires), and a bit less with the 19s (maybe $1500 total).

however, i have never done anything like this before, and am concerned about so many issues (but especially about everything fitting correctly in the wheel well, and fitting with the awd etc.)

now i'm studied for several hours, and even cut and pasted all of your expert comments and sent them to the shop where i'm having the work done (especially some posts by: @gdi 3.3 l, @greatauror28 , and @The Wizard ), but i was wondering if i could get some direct input/advice.

1. i'm seeing different opinions about the decrease in comfort with lower aspect tires, with some saying that there's a negligible difference and others saying that it's very noticeable. from my side, i favor increased performance (and good looks), over cushiness, but don't want to be feeling like i'm driving a go cart, or bottoming out every time i hit a bump in the road.

2. i've seen concern expressed over hitting the inner fender (or perhaps other things while turning), and so i'm wondering if any of these configurations will run a risk of screwing up the actual drivability of the car. fyi, i have 5 kids, so when my family and i go for a ride we have anywhere from 800-1000lbs in the car.

3. also, what do you think about these tires? are they good? comfortable? other suggestions?

4. i like 20s, but could easily go with 19s, if it was strongly advisable not to stray outside of the oem specifications for the vehicle (which has 19s as the largest rim offered on the upper trims)

fyi, i've just begun learning about rims and tires, over the last 24 hours, so i apologize ahead of time for whatever ignorance i display here.

you all seem extremely knowledgable, so any advice would be most appreciated.
1. The difference in ride quality between tires depends on many factors including the design and materials used in the tires, the design of the suspension, types of roads, and personal preference. So a change that causes one person to say that the ride becomes harsh might make another say that the ride became more controlled. In general, if all else is equal, a smaller sidewall will make the ride firmer and create less sidewall "squirm" in cornering but the other factors determine whether that change is helpful or annoying.

2. Rubbing on the inner fender is seldom related to aspect ratio or even overall tire diameter. It is almost exclusively related to tire/wheel width. On the other hand, rubbing on the outer fender relates to width, diameter and wheel offset. The 255/45R20 tires should not cause any rubbing issues, even when loaded.

3. Don't know. They have a good reputation but I've never used them myself.

4. I wouldn't worry too much about straying from Kia spec on wheel size. The important spec is overall diameter (actually circumference) of the wheel/tire combination in order to maintain speedometer accuracy and related driveline components. Selecting a tire for the larger wheel that keeps the circumference close (by adjusting aspect ratio) will work fine.

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post #52 of 59 (permalink) Old 12-04-2015, 01:09 AM
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@The Wizard and @kobi411 thank you for all your advice/input. here's the latest plan:

lorenzo wl032 black 20" ($1180)
http://www.customwheelsexpress.com/i...WL032Black.jpg

nitto nt850 255/r45/20 ($640)
i was told these are really good tires

here's what this setup gets me, according to willtheyfit.com (oem vs. new setup):
Diameter 737.3mm 737.5mm
Circumference 2316.3mm 2316.9mm
Poke 47.9mm 73mm
Inset 129.9mm 143mm
Speedo error 0% -0.03%
Reading at 30mph 30mph 29.99mph
Reading at 60mph 60mph 59.98mph
Ride height gain 0mm 0.1mm
Arch gap loss 0mm 0.1mm

and according to wheel-size.com (oem vs new setup):

Rim Diameter 432 mm 508 mm ↑ 18%
Rim Width 178 mm 216 mm ↑ 21%
Backspace 130 mm 143 mm ↑ 10%
Offset 41 mm 35 mm ↓ 15%
Typical Weight 9.4 kg 15.7 kg ↑ 68%
Tires (235/65 R17)(255/45 R20)
Section Width 235 mm 255 mm ↑ 9%
Sidewall 153 mm 115 mm ↓ 25%
Overall Diameter 737 mm 738 mm ↑ 0.0%
Circumference 2316 mm 2317 mm ↑ 0.0%
Revs per mile 695 695 =
Typical Weight 16.8 kg 15.8 kg ↓ 6%
Rim + Tire Weight 26.2 kg 31.5 kg ↑ 21%

Tire is 4 mm closer to suspension/brakes components. Rim is 13 mm closer to suspension/brakes components. Acceptable for most cars

Tire will stick out 16 mm farther. Rim will stick out 25 mm farther. Make sure that you have enough room under the fender. If not, consider narrower tires or higher offset

everything looks clean, but i have a question:

1. should i go with a wider tread (265 or 275)?
i ask because i'm not so into the height aspect of an suv, and i thought this might give some more stability.

2. wheel locks; yes or no?

3. black or chrome lugs? i've been told that black gets scraped up easily and looks bad quickly?

4. anything that's off here? or anything else i need to consider?

thanks again for the feedback and help?
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post #53 of 59 (permalink) Old 12-04-2015, 12:39 PM
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1. I would not recommend going to a wider tire because you would have to decrease the aspect ratio (and hence the sidewall height) in order to maintain the same overall circumference. The added width won't really help with stability but the reduced sidewall will accentuate the firmness of the ride. The track width (distance from outside of left tire to outside of right tire) is the determining factor in roll stability unless you get into changing suspension components. Adding 20mm (less than an inch) to the overall width isn't going to have a significant impact.

2. Depends on where you live. I have them on all vehicles despite not being in an area where I would worry about wheel theft but I just like that extra bit of insurance. Wheel locks aren't going to stop a pro (or determined) thief but they are good for stopping snatch-and-grab thefts of opportunity. On the other hand, they can cause problems for shops when rotating tires or doing brake work, etc. They need to be installed and removed by hand but many grease monkeys will just use the impact gun on them causing all sorts of problems.

3. Chrome. Personally, I hate the look of all-black wheels. They may look fine sitting still but once you're moving they just look like a cheap old-fashioned steel wheel where the hubcap has come off. So any contrast you can add is good.

4. Can't think of anything else.
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post #54 of 59 (permalink) Old 12-04-2015, 03:19 PM
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@The Wizard , great reply. thank you so much for weighing in again. locks and chrome it is, and i'll keep the same width. will also post pics when it's done.
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post #55 of 59 (permalink) Old 12-05-2015, 01:57 AM
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My experience

I have a 2013 kia sorento sx with 255/45/20 9.0 35+ offset hub centric rings are needed ...Ride is def. harsh but makes your ride stand out...on a smooth pavement your ride is a dream...nice and quiet....i've always put aftermarket rims on all my rides so the roughness never seemed to bother me. I used to have a bmw x3 with 35 profile tires and with that i was nervous about but im more of a cruiser...N.Y.C. rides are no joke...But other then a lil roughness ride quality is good. Below are pics of mines.
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post #56 of 59 (permalink) Old 12-05-2015, 02:12 AM
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@esco289 thanks for the feedback and the pics. what kind of tires do you have? and have you tried different brands?
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post #57 of 59 (permalink) Old 12-05-2015, 03:19 AM
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Quote:
Originally Posted by tuka View Post
@esco289 thanks for the feedback and the pics. what kind of tires do you have? and have you tried different brands?
your welcome. Honestly i bought wheels as a package so i got the wheels with tires and of course i'm sure they gave me probably some b.s. tires. I mean they look good I never heard of them though "velozza zx4" . They seem to have 3 stars out of 5. If I had a choice of tires I personally like hankook.

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post #58 of 59 (permalink) Old 12-05-2015, 09:37 AM
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IMO, Don't do it. The 2015 and older EX Sori's have a firm ride, & can be jarring over hard bumps as it is with my stock 235/60/18" tires. This will be amplified with bigger wheels, & shorter sidewall tires. In the dry, you'll gain some traction, and handling but loose some in the wet, even more in the ice, & snow. It all depends on how wide you go? Excessive Hydroplaning could be a problem. Plus, you will probably lose some gas mileage with wider, heavier, wheels, & tires.

I agree with the Wizard, I don't care for the black wheel look either, I prefer Chrome like what's on the SX's, or a complementary color. IMO, with black wheels, & tires, the car looks unfinished? Even with white lettered tires on black wheels it makes me think of NASCAR. My son wanted to put these exact wheels on his Honda Pilot, but went with a better looking Velocity wheel, and Continental tires.

Some previous Hyundai/Kia vehicles: 2002 Santa Fe LX V6 AWD, 2005 Tucson LX V6 AWD, 2010 Tucson GLS 2.4L AWD, 2011 Sportage EX 2.4L AWD, 2015 Sorento Ex V6 AWD
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post #59 of 59 (permalink) Old 03-11-2017, 10:17 PM
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Quote:
Originally Posted by fptrs View Post
Here you can see the difference with out a load
Hey man, your sorento looks awesome. I am just wondering where did you get that silver trim piece on the lower sides near the side skirts (the long silver trim piece).

Thanks in advance.
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