Possible to have thicker tyres?

JayTeeA38P

JayTeeA38P

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I've never previously had a car long enough to have to change the tyres, so I know nothing about them. My current ones are wearing thin, so I'll need some soon.

At the moment I have 225/40R18, but think that the tyre walls look too thin (the "tyre profile"?). Also, there is quite a gap above the tyres. I understand the S-lines already have tighter suspension(?), so I wouldn't want to lower the car - I assume the ride quality would suffer; also, I can't afford to. My point being there seems to be the necessary clearance.

So what are my options with tyre sizes? Would a thicker tyre improve ride quality and/or fuel efficiency?
 
You could go to a 205/45R18 or maybe a 185/50R18. Both sizes wont affect the speedo reading by much. Alternatively you might be able to drop a wheel size and go with 17" wheels and a 225/45R17 or 205/50R17 tyre.
 
JayTeeA38P said:
I've never previously had a car long enough to have to change the tyres, so I know nothing about them. My current ones are wearing thin, so I'll need some soon.

At the moment I have 225/40R18, but think that the tyre walls look too thin (the "tyre profile"?). Also, there is quite a gap above the tyres. I understand the S-lines already have tighter suspension(?), so I wouldn't want to lower the car - I assume the ride quality would suffer; also, I can't afford to. My point being there seems to be the necessary clearance.

So what are my options with tyre sizes? Would a thicker tyre improve ride quality and/or fuel efficiency?
Click to expand...

Flowrider99 said:
You could go to a 205/45R18 or maybe a 185/50R18. Both sizes wont affect the speedo reading by much. Alternatively you might be able to drop a wheel size and go with 17" wheels and a 225/45R17 tyre.
Click to expand...

To be honest, my experience shows that the ride quality difference will hardly be noticeable.
 
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Flowrider99 said:
You could go to a 205/45R18 or maybe a 185/50R18. Both sizes wont affect the speedo reading by much. Alternatively you might be able to drop a wheel size and go with 17" wheels and a 225/45R17 or 205/50R17 tyre.
Click to expand...

Thanks for the suggestions. Can't the speedo, etc. be programmed for different sizes?
 
JayTeeA38P said:
I think they're 8".
Click to expand...


I'd go 245 40 , more grip , more rim protection and better ride quality .

Common size on A4 B8 .

As for speedo it can't be calculated as tyre sizes aren't the width and aspect ratio they state .
 
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Gazwould said:
I'd go 245 40 , more grip , more rim protection and better ride quality .

Common size on A4 B8 .

As for speedo it can't be calculated as tyre sizes aren't the width and aspect ratio they state .
Click to expand...

Thanks for the tip!
 
Gazwould said:
I'd go 245 40 , more grip , more rim protection and better ride quality .

Common size on A4 B8 .

As for speedo it can't be calculated as tyre sizes aren't the width and aspect ratio they state .
Click to expand...
I am thinking of these (pls check below) 235 40 R18
Is it true I will get more stability with wider tyres? When bending?

Or was thinking put 235 on the front and 245 or 255 on the back
 

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Peto Pedro said:
I am thinking of these (pls check below) 235 40 R18
Is it true I will get more stability with wider tyres? When bending?

Or was thinking put 235 on the front and 245 or 255 on the back
Click to expand...

Personally , I’d fit tyres from a better maker!
I’ve just fitted Michelin PS4 225/40 18 to my car (on the factory 7.5J Pescaras) at under £100 each fitted and they’re brilliant.
 
Reading between the lines here i think when this guy says thicker tyres he means higher profile
the only way he can do that is and keep the correct width tyre for the wheel is smaller dia wheels if he wants to keep an accurate speedo.
 
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Nessy said:
Personally , I’d fit tyres from a better maker!
I’ve just fitted Michelin PS4 225/40 18 to my car (on the factory 7.5J Pescaras) at under £100 each fitted and they’re brilliant.
Click to expand...
Too expensive for these destroyed roads .. Absolutely waste of money buying one tyre for £100 I did it .. not doing anymore.. £55-£60 is max for me per tyre ..
Here on tyre reviews has this maker good reviews : http://www.tyrereviews.co.uk/Tyre/Roadstone/Eurovis-Sport-04.htm
 
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Something you learn as a motorcyclist thats not obvious when in a car,

The tyres are the only thing that stop you going straight on at corners, stop you when the kid runs out in the road and give you grip when its wet.
fit the right size, fit a good make, change them before they go below 2mm. If your life is not worth £100 a corner then think of other peoples, theirs are..

Here endeth the lesson :)
 
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paddy said:
Something you learn as a motorcyclist thats not obvious when in a car,

The tyres are the only thing that stop you going straight on at corners, stop you when the kid runs out in the road and give you grip when its wet.
fit the right size, fit a good make, change them before they go below 2mm. If your life is not worth £100 a corner then think of other peoples, theirs are..

Here endeth the lesson :)
Click to expand...
I couldn’t have put it better tbh ,lol.
 
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paddy said:
Something you learn as a motorcyclist thats not obvious when in a car,

The tyres are the only thing that stop you going straight on at corners, stop you when the kid runs out in the road and give you grip when its wet.
fit the right size, fit a good make, change them before they go below 2mm. If your life is not worth £100 a corner then think of other peoples, theirs are..

Here endeth the lesson :)
Click to expand...
 
audi upgrades
"quote"
The budget tyres fared just as poorly in the emergency braking test around one of the corners, and would have sent our Ford into a ditch had we kept the steering angle constant. “This shouldn’t happen,” concluded Nigel. “A good set of tyres would have halted the car in its tracks.”

https://www.autoexpress.co.uk/car-n...parison-choosing-the-right-tyres-for-your-car

I'm not going to argue this, its basic common sense. :blow:
 
Better tyres are the answer. Why not change the tyres two at a time, front axle first then the rears a couple of months later, spread the cost.
 
SootySport said:
Better tyres are the answer. Why not change the tyres two at a time, front axle first then the rears a couple of months later, spread the cost.
Click to expand...
I don't like it dat way..
I love to have all 4 brand new..
And I have only FWD so once fronts are worn more than rears then I swap them round...
 
Peto Pedro said:
I don't like it dat way..
I love to have all 4 brand new..
And I have only FWD so once fronts are worn more than rears then I swap them round...
Click to expand...
Just trying to help the OP as he’s on a budget, he’ll still end up with 4 new ones but better quality.
 
SootySport said:
Just trying to help the OP as he’s on a budget, he’ll still end up with 4 new ones but better quality.
Click to expand...
Well don't know but may ppl using buying value tyres or economy .. and all is fine. I am not gonna do any racing sport event .. just driving from work to home .. and occasionally drive around the town rarely..
What I trying to find is best mid-range or best economy or best budget tyres which crossing with premium tyres .. so cheapest premium tyres..
 
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