**Unofficial Tyre Thread**

This is where the more expensive premium tyres come into play. In the dry performance differences are small and mainly under braking.

But in the wet a budget tyre compared to a premium tyre are worlds apart in performance. I noticed this on the MPSS in the wet, the grip is unreal as is how progressive they are towards the limits of grip.

We have a lot of wet weather, so I find it crazy why people fit stuff like Nankangs, Falkens and other cheaper tyres which simply don't grip, brake or handle even close to more premium tyres. Even more so the more expensive rubber tends to last longer too, which removes the excuse of initial cost.

The MPSS blown me away, 10 track days, 10,000+ road miles, rears are hovering around 3.5mm and the fronts 5mm. That is simply beyond believe as they have lasted close to 3x longer than I could have got out of a set of competing tyres. My next tyre is an R-Comp, but once they've worn out, I shall be back on MPSS. :)

You are spot on. I've still yet to have any dry weather yet (lovely north east weather), but the confidence that these tyres have given my in the wet is unbelievable. Also the Falken's barely lasted 10k miles (I think they actually have only done 8k). So complete waste of money. I fully expect the Conti's to outlast and certainly outperform them. However they are already making me take every corner much quicker, just to test them out, and give me a :D every time. They just grip, and never let go! I doubt I even have the confidence to push them so far that they will eventually give in!
 
I had one of my tyres split yesterday, so I'm in need of 2 new tyres (I assume it's sensible to replace them in pairs, so both fronts will need changing)

My car is a mondeo (205/55/16) and has (or had) CSC2s all round but I'm wondering if I should be looking at something else. I see Continental EcoContact 5 are available and wondered if they'd be better than replacing with CSC2s? Or would something else be better recommended for my size?

Sorry if this has already been answered in the thread but I couldn't see anything

Continental Conti Premium Contact 5 - 205/55 R16 £65.70

There are some Hankook's (mid range) which would be acceptable for a mondeo I guess, but for £6 more I would definitely get the Conti CS5's...
 
Thanks, are premium contacts better than eco contacts? The figures given here
http://www.tyrereviews.co.uk/Tyre/Continental/Eco-Contact-5.htm
http://www.tyrereviews.co.uk/Tyre/Continental/Premium-Contact-5.htm
seem to show the ecos as being better in all areas and they're only £2 more

Seems odd, but I could be wrong on this but:

I thought the ECO tryes were based on minimal rolling resistance to improve MPGzz, and increase tyre life. Therefore that reduces overall grip, and I would also assume they won't be as good in wet weather conditions either...

Maybe someone with more knowledge will come in and answer that better for you.

However I would take that website with a pinch of salt to be honest...
 
Looking at my next potential car purchase I thought I'd see how much tyres were.

More than I was expecting!

205/45/17 = £112.40

Is it possible to fit a more popular cheaper size tyre such as:

215/45/17 = £98.20
 
[TW]Fox;24328475 said:
Presumably though the manufacturer has chosen that tyre size for a reason. You are increasing the size of the sidewall, after all.

Only other option is to fit different alloys, but that's false economy.

I don't think a 1.5% increase in tyre profile is going to affect the car at all. I once changed the alloys on my Ford Focus 1.6 from 15" (195/60/15) to 17" (215/45/17) and it didn't make the car explode into a ball of flames...

Car's come with many different sizes and options of alloys when the car is initially sold. I doubt the manufacturer changes the set up of the car based on what alloys the customer chooses...
 
But what's the disadvantage?

Because the manufacturer didn't spec 215 instead of 205, so there must be a reason? What is the reason?

Better MPG? Will be marginal...

If I can save £15 a corner for no real disadvantage, then I don't see the harm.
 
Do you not trust the people who made your car?

Trust them for what?

They offered alloys in the following sizes:

195/65/15
205/55/16
205/45/17

The difference between 195/65/15 compared with 205/45/17 is 2.9% less on the speedo reading and a 2cm increase in diameter, and a reduction in sidewall height of 2.4cm...

Someone could spec the 17" tyres when the car can also be fitted with the 15" tyres...
 
How do you know Mazda simply boshed other sized wheels on without changing the speedo calibration?

I'm fairly sure they did adjust the calibration. But as I said above I'm not bothered about a .9 difference in reading at 60mph...

People said Mazda put that tyre size on for a reason. But what is that reason? How is fitting 215/45/17 instead of 205/45/17 going to ruin the car?
 
[TW]Fox;24329836 said:
Then the standard size on 17 inch wheels is 205 50 17 not 45?

Which makes the whole thing different as your intended new size DOES now include a profile reduction to counter the increased width.

Where did you find that information from? That tyre size applies to cars post 2008 I think

My budget would only allow for pre 2008, therefore the tyre size is 205/45/17 according to blackcircles anyway...
 
[TW]Fox;24329958 said:
My sister has a 3 so I will check it later for you :p

I just put the registration plate into blackcircles and it gave the size.

There was a facelift which seems to be around 2007 (56) which changed the alloy style. And 205/50/17 were fitted. But before that the alloy style was fitted with 205/45/17.

Pre-facelift:
http://www4.autotrader.co.uk/classified/advert/201305116703963

Facelift:
http://www4.autotrader.co.uk/classified/advert/201305196837655

So would be it better to change 205/50/17 to 215/45/17? Rather than changing 205/45/17 to 215/45/17?
 
Be careful going wider than 205 on the Mazda 3. The rims are 17x6.5 - anything over 205 should be on 7" wide rims. They will physically fit, but the tyres could bulge out from the sidewalls.

I personally wouldn't risk it.

205/50/17 are expensive though. I was hoping my tyre costs would reduce going from 225/40/18 on my old car to these, but alas no - £20 a corner dearer!

I'm also coming from 225/40/18! They are cheap for the size. £100 for CS5's

Shame that smaller tyres are more expensive :(
 
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