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Will moving to a smaller wheel size improve comfort? Will moving to a bigger wheel size improve handling? I’ve been finding out exactly what changes when you change your wheel size at Mireval, Goodyear’s test facility in the South of France.
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Further information and the full data from the test – http://www.tyrereviews.co.uk/Article/The-differences-between-17-18-and-19-inch-tyres.htm
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Thank you very much for this video, it confirms some of my real world experiences with an OEM 18″ vs. an Aftermarket 20″ Tire. Specifically the part about Dry vs. Wet performance.
With a brand new tire, the OEM 18″ could cruise at very high speeds during a rain storm and not even feel like it is driving on wet roads. Where as the 20″ is quite twitchy, and requires much more concentration even at half the speed.
One other thing I’d love to see from tire tests in the future (and I don’t think anyone has done this) is straight line highway stability.
By which I mean the 18″ (thinner) tire actually felt more glued to the road, and able to brush off small bumps and imperfections on the road without disturbing the ride.
Whereas the wider 20″ was superior in cornering, the straight line stability of the car was notably affected and you feel more twitchy at 20-30 mph slower than the softer and thinner 18″ tire.
Did you found any relation between tyre with and fuel efficiency?
you should change the highway sticker 🙂
u spelt TIRE wrong, learn to spell
That was a very good test.Thank you.Another one of those and I will sub.But I add myself to the comments saying: Why didn`t you just do the 15 minutes?
From your experience is it possible to draw conclusions for longer wheel base, rear wheel driven cars from this?
I mean understearing is no problem there, even less on wet^^.
And TC/ESP has less impact on steering.
Not saying it’s a better platform – been loosing to snowy steeps :p
Brilliant video. Would love to see one as good on motorbike tyres
That’s why i love this channel. Good quality , ENOUGH details to answer the question . A remarkable content as always. Great job and keep it up.
If racing even at an amateur level, tire compound means way, way more than size of wheel/tire. in fact, wheel size in racing doesn’t really matter. but as you said it depends. comfort is almost always better with larger sidewall. it also depends on what someone considers comfort.
Why hasn’t gran turismo research team done this?! Lol awesome video, thanks man
The video was meant to be 5 minutes, but it turns out we shot 15 minutes of talking. This has been edited down to 10 minutes at the loss of details on braking and aquaplaning, so be sure to check out the link in the description for the full details. Any questions please feel free to ask 🙂
this was such a dull video, i guess you have to be a dull person to review tyres for a living.
So basically, Volkswagen’s engineers made the best choice as stock wheel diameter.
“do your research”?…. Oh, thanks!!
Good content but host almost put me to sleep
0:48 …if you’re going to slur all the tire designations together, why not just list them in the video description?
All I heard was 2-2-5-45-17-2-2-5-40-18-2-2-5-35-19… ???
It would be interesting if you now compared various 18′ tires widths against each other, maybe from 215 to 235.
18 is bigger than 17. 19 is bigger than 18. Save ya a click!
1 number up only is the rule……so this video is already bullshit
Were the tyres run flat’s or not, and would it made any difference?
Are the weights if all of these wheels the same? I think it would be important to identify this so that unsprung weight is not a variable in the test.
what about the air pressure was that constant?
the greatest advantage of large wheels ist the space you get to put bigger brakerotors in them.
Perfect and professional
i believe this test was done on best motoring, the japanese show about 10 years ago with a 350Z…this is just for anyone watching who wants to watch another video of a similar experiment. doesnt really matter who did it first.
Came here just to say your thumbnail makes me OCD
How about drag race ? Which one will be the fastest ?
They are different size.
Thanks for the really informative video. Could you apply the same test on the same 18″ wheel size but this time review how the car behaves with different widths? i.e 18×8, 18×9, 18×10
Results at 7:47
Everyone that daily drives their car and track it once in a while AND has sport suspension+springs knows that once you go over 18″, things start going downwards…
17″- too rubbery and flexible
19″- too harsh, uncomfortable and noisy
18″- perfect compromise between noise, comfort, performance and design….
not applicable to the road in the third world country. 15 and 16 inches are better.
Using inches and miles in the 21st century are like riding a horse in a F1 race.
I really did not like the video, so much talk and nothing to back it up. Big wheels and big tires are big business. I don’t think that business would like people to really know the truth.
Bigger than OEM wheel is bad idea for 99,9% of cars, but they do look cool.
Recommended OEM wheel for specific car is best choice for everyone due to SOOO many things. Wheel size and tyre width comes from suspension setup, power and mass of the vehicle. “Recommended” is not “all available sizes”. Heck if you want for you hard earnd money 20″, OEM will give you 20″ if it is possible… they like your money.
17″ vs 19″ will give you some serious performance difference in acceleration for 17″, plus car will feel much more responsive on higher speeds. 17″ will give you much more notifications before it starts to seriously slip, bigger wheels will just slip and then you are on your own since you were driving bit faster with 19″ in that corner, and better you have decent ESP.
With 17″ people will feel sorry for you, it is so not cool to have anything less then 19″ these days, but you decide, do you like to accelerate or you want to be cool. Can’t have both if you have less than 500+ WHP.
Anyhow, I really hope you make sound video about wheel and tire size, psychics based. Somehow I think it will be hard to get sponsors for that one, but you can try.
I do not intend to read all the previous comments, so sorry if my following comment is a repeat of others: why test on a track, no public road on the planet will match the smoothness – no road tyre tests should be done on a prepared track surface, even those with artificial bumps.