Skoda RS replacement tyres - interesting

[drew-8888]

Hi All,

Drew newbie to the forum here.
17000kms on my 09 vRS wagon. picked it up second hand recently, not looking forward to replaceing tyres on it. I know I'll have to do it within the next 12 months. rear tyres are badly scolloped on the inside. leading edge of tread block high, trailing edge low. a bit too buggered to put on the front me thinks!!! Prev owner never rotated tyres and tyre pressures were very low when i got it.
They're Dunlop SP Sport Maxx on it now, i'd be interested to hear comments from people who have driven on these and are able to compare them to the Michellin Pilot Sports or Conti Contact Sports.

Also, the missus is due for tyres on her Jetta very soon too. Currently has the Michellin energy 205/55/16s on it. Tempted to keep with those. Anyone have any other recommendations for 16"s?

cheers
Drew

[dArK5HaD0w]

instead of 225/40-18, can we fit 235/40-18?
Specification--Sidewall--Radius--Diameter--Circumference--Revs/Mile--Difference
225/40-18-----3.5in----12.5in---25.1in-----78.8in---------804-------0.0%
235/40-18-----3.7in----12.7in---25.4in-----79.8in---------794-------1.3%

there is only a 1.3% difference between the two.
but there is a huge difference in price - as in half (or more) the price of the 225s. the 235s r a more common size here.

i guess my question is that can we fit 235 tyres on the 7Jx18 rims?

[dArK5HaD0w]

instead of 225/40-18, can we fit 235/40-18?
i guess my question is that can we fit 235 tyres on the 7Jx18 rims?

damn it......i just found out....short answer is no for the octavia rs rims

Rim width--Min tyre width-Ideal tyre width-Max tyre width
5.0 inches--155 mm--------165 or 175 mm--185 mm
5.5 inches--165 mm--------175 or 185 mm--195 mm
6.0 inches--175 mm--------185 or 195 mm--205 mm
6.5 inches--185 mm--------195 or 205 mm--215 mm
7.0 inches--195 mm--------205 or 215 mm--225 mm
7.5 inches--205 mm--------215 or 225 mm--235 mm
8.0 inches--215 mm--------225 or 235 mm--245 mm
8.5 inches--225 mm--------235 or 245 mm--255 mm
9,0 inches--235 mm--------245 or 255 mm--265 mm

doh doh doh
guess if i want cheaper tyres, i'll need new rims first!!!

[brad]

Also, the missus is due for tyres on her Jetta very soon too. Currently has the Michellin energy 205/55/16s on it. Tempted to keep with those. Anyone have any other recommendations for 16"s?

Only that I'd look on ebay for tyres+wheels that have been removed for a 17" upgrade. You'll get 4 near new tyres on rims for <$600

i guess my question is that can we fit 235 tyres on the 7Jx18 rims?

I think the RS has 7.5" rims. Doesn't matter though as 235/40x18 is 8" rim minimum for most makes

edit: That table is a fair indication but sidewall height makes a big difference. The taller the sidewall, the more "gimme" in rim size/range

[dArK5HaD0w]

I think the RS has 7.5" rims.

according to the skoda oz brochure, the RS comes fitted with 7" wide rims.

[brad]

according to the skoda oz brochure, the RS comes fitted with 7" wide rims.

According to my Skoda Oz brochure - 7.5"x18 but Skoda seem to change the numbersat a whim. Probably best you look at the number casting on the inside of the wheel web/spoke.

7" is generally too narrow for a 225/40x18 (but would be OK for 225/45x1.

[dArK5HaD0w]

According to my Skoda Oz brochure - 7.5"x18 but Skoda seem to change the numbersat a whim.

what the?!?!
according to the brochure from the skoda oz website (published date: Aug 2009), "Wheels".......

7" is generally too narrow for a 225/40x18 (but would be OK for 225/45x18.)

"225" is tyre width in millimeters. it doesn't matter if its a '40' profile or '45' profile, if its 225, then it will b the same for both sizes.
hence a 7" rim can't be narrow for one, but not the other.

what would change (between 225/40/18 & 225/45/18.) is the tyre's sidewall thickness, and hence the rolling diameter, & the speedo, & the revs per mile etc etc.

[pwcar]

...
what would change (between 225/40/18 & 225/45/18.) is the tyre's sidewall thickness, and hence the rolling diameter...

I think you really meant the sidewall height (not thickness).

[dArK5HaD0w]

I think you really meant the sidewall height (not thickness).

hehehheheh......that would b correct - the sidewall height

[bobski]

hehehheheh......that would b correct - the sidewall height

Vehicle Categories - Bob Jane T-Marts

Bob Jane's site might be worth a look. Has a tool to tell if a tyre will fit your car or not.

This might cause some conjecture, but I had some Maxxis MA-V1's on my Fiesta Zetec (also a strange sized wheel for a small car). I bought them because Wheels or Motor did tyre testing and the Maxxis' always come 2nd or third and were always best value for money. Not only were they reasonably priced, but they were just as good, if not better than what they replaced. I got about 30000k's of mixed driving out of them without a rotation (I know, I'm a bad man for not managing my tyre wear). The only thing I noticed were they were slightly noisier than what they replaced (it wasn't the most refined car anyway).