Stock wheels, hubcaps removed, centerpiece.. - Page 3 - Kia Niro Forum
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post #21 of 43 (permalink) Old 08-10-2019, 04:57 PM
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framednlv... That looks good... I was worried about the "PH" being really noticeable, but I just did my first tire rotation today, and left the covers off... Not as bad as I thought...

I'll be driving 250 miles this Sunday without the covers... mostly Interstate, so it will be a true test on the mileage debate. This will be my third trip to this location, and both times previously, I got about 58 mpg... So, we'll see... ;-)

I just ordered those center caps...

Fuel economy is mad sexy... 2019 EX with Advanced Tech Package.

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post #22 of 43 (permalink) Old 08-10-2019, 07:24 PM
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Unfortunately not. Too many other variables such as temperature and wind and how well a random pump filled your tank. Wind tunnel test would be required but that’s pointless to except for putting an actual number to the energy savings. My guess is around 1% or less. Good luck with the road test though. I’d never be able to parse a 1% change. That’s about Ĺ mpg if you can somehow hold the other variables constant.

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post #23 of 43 (permalink) Old 08-11-2019, 07:57 AM
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Originally Posted by framednlv View Post
Some quick pictures, the first one shows where I had to remove some plastic to clear the axle on the front wheels.
I removed mine, the center hub opening is 3-5/8". I found all the stock Kia hub openings for most wheels are 3-5/16''. I don't know why the Niro wheels with covers are different, but they are.. I found and ordered some silver 3-5/8" dia caps, they have the five tabs about the same as inner hub opening slots, so hopefully they click in. I can see where the the front axle and bolt might interfere a little. If they fit, I might order some black KIA stick ons or stylized K that are available everywhere, which are slightly less diameter.


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post #24 of 43 (permalink) Old 08-11-2019, 09:35 AM
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I removed mine, the center hub opening is 3-5/8". I found all the stock Kia hub openings for most wheels are 3-5/16''. I don't know why the Niro wheels with covers are different, but they are.. I found and ordered some silver 3-5/8" dia caps, they have the five tabs about the same as inner hub opening slots, so hopefully they click in. I can see where the the front axle and bolt might interfere a little. If they fit, I might order some black KIA stick ons or stylized K that are available everywhere, which are slightly less diameter.

The size I looked up for the center bore was 67.1mm which is 2.64 inches. Which model Niro do you have?


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post #25 of 43 (permalink) Old 08-11-2019, 09:38 AM
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Unfortunately not. Too many other variables such as temperature and wind and how well a random pump filled your tank. Wind tunnel test would be required but thatís pointless to except for putting an actual number to the energy savings. My guess is around 1% or less. Good luck with the road test though. Iíd never be able to parse a 1% change. Thatís about Ĺ mpg if you can somehow hold the other variables constant.

I agree, too many variables. Slow down one time for another car and back up to speed, the test if over.


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post #26 of 43 (permalink) Old 08-11-2019, 09:14 PM
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The size I looked up for the center bore was 67.1mm which is 2.64 inches. Which model Niro do you have?
I have the LX. That's the size I measured. 2-5/8" is 2.65 inches. The FE would be the same. I believe the models with 18" wheels without wheel covers have the KIA standard 2-5/16" (~59MM).

Did you find any Kia center caps to for the larger 67mm size, or any good generic caps? There should be some available, because there are five slots inside to accept a cap. I just can't find Kia OE.


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post #27 of 43 (permalink) Old 08-11-2019, 10:27 PM
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Realto,
You are confusing me. First you say 3-5/8" and now 2-5/8". Then you ask if I found Kia center caps. I did not find Kia center caps. I did find 67mm center caps and posted a link on the first page of this thread. Please read the whole thread or your MPG will fall off a cliff.


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post #28 of 43 (permalink) Old 08-12-2019, 10:48 AM
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Realto,
You are confusing me. First you say 3-5/8" and now 2-5/8". Then you ask if I found Kia center caps. I did not find Kia center caps. I did find 67mm center caps and posted a link on the first page of this thread. Please read the whole thread or your MPG will fall off a cliff.
Sorry, I made a typo with the 3. My LX is 2-5/8", the standard Kia wheel has 2-5/16". I actually ordered the ones you linked to. I sure hope my mileage stays on the cliff. I'm already giving up 1MPG for the silver roof rails I don't use (according to EPA est., for what that's worth). Approaching 50MPG without the plastic covers would be totally unacceptable!


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post #29 of 43 (permalink) Old 08-12-2019, 03:46 PM
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Sorry, I made a typo with the 3. My LX is 2-5/8", the standard Kia wheel has 2-5/16". I actually ordered the ones you linked to. I sure hope my mileage stays on the cliff. I'm already giving up 1MPG for the silver roof rails I don't use (according to EPA est., for what that's worth). Approaching 50MPG without the plastic covers would be totally unacceptable!

My Niro went off the rails, roof rails that is. I ordered the moulding for the FE and cut the studs off my LX. I'm really wanted the +1MPG. Kidding, I just hate the look of roof rails, even more when they don't color match.


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post #30 of 43 (permalink) Old 08-12-2019, 04:54 PM
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I think the rails cost more like 2 mpg, but it does depend on your city/highway mix. But I agree, looks better without and even if not, unacceptable in an efficient car.

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