GolfGTIforum.co.uk
Model specific boards => Golf mk7 => Topic started by: Sootchucker on 11 August 2015, 13:30
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Can anyone with a new Golf fitted with 18" Bridgestone Potenza S001 tyres let me know how much tread there is in a new tyre please ?
Call me sad, but I've been monitoring the wear over the last 8000 miles or so, but forget to check the tread depth when new to see how much (as a % of the whole) the tyres have worn.
Many thanks.
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I think its 6mm - I've just had a service (12K miles) and my front tyres are at 4mm, one at the back is 5mm, the other at 6mm. I could be completely wrong however!
I was actually a little disappointed as the front two on my GTI were bald at 18k miiles - clearly not driving hard enough :laugh:
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Should be 7-8mm on a brand new tyre.
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Thanks guys. 8mm is about what I thought.
Currently have a minimum of 4mm (outside of Nearside front) with an average depth of around 4.5mm all round after 16,500 miles. I just wondering how far I will get before than get down to about 2.5mm (which is when I will change them). 20k maybe ?
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Should be 7-8mm on a brand new tyre.
That makes sense, as no way I'd have not lost any tread in 12k miles - sorry to the OP :laugh:
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Simple maths should give you the answer.... 16k5 miles / 3.5mm = 4k7 miles/mm.... 2mm left (left till 2.5mm remain) x 4k7 = 9k4 miles left.
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Simple maths should give you the answer.... 16k5 miles / 3.5mm = 4k7 miles/mm.... 2mm left (left till 2.5mm remain) x 4k7 = 9k4 miles left.
Not quite that simple, as the tyres wear down, the rolling radius and circumference come down slightly. Based on 18" wheels and a 90mm sidewall (225/40), and adding either 2.5mm tread or 8mm tread gives you a 65.32cm or 64.22cm diameter, and a 1.6% difference in rolling circumference between 8mm and 2.5mm tread depth. Your wheels will be spinning a little faster to maintain the same speed and therefore wearing a little quicker. But 1.6%....who cares? :tongue:
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Knew we could rely on you MH for the technical answer :grin: :grin:
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Simple maths should give you the answer.... 16k5 miles / 3.5mm = 4k7 miles/mm.... 2mm left (left till 2.5mm remain) x 4k7 = 9k4 miles left.
Not quite that simple, as the tyres wear down, the rolling radius and circumference come down slightly. Based on 18" wheels and a 90mm sidewall (225/40), and adding either 2.5mm tread or 8mm tread gives you a 65.32cm or 64.22cm diameter, and a 1.6% difference in rolling circumference between 8mm and 2.5mm tread depth. Your wheels will be spinning a little faster to maintain the same speed and therefore wearing a little quicker. But 1.6%....who cares? :tongue:
Great stuff but you do need to get out more Sherlock :smiley:
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I remember seeing an 11 month old GTI at the dealers , it had covered 8k miles and the tyres were just legal. I test drove it and ragged it , looks like everyone else did the same :cool: The way I drive could be looking at 20k :grin:
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I just checked mine.
750 miles and somewhere between 7.5 and 8mm on the rears so we can assume 8mm new.
Bridgestones.
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Yes they are 8mm new on Bridgestones, I checked mine when I picked up the car, also 8mm on my new Dunlops.
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Mine are always changed at 3mm same as Police Traffic Cars. A friend is in traffic and he see's far to many accidents caused by low tyre tread especially in the wet, hence 3mm change. The difference in braking distance with tyres below 3mm can be quite substantial :shocked:
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Mine are always changed at 3mm same as Police Traffic Cars. A friend is in traffic and he see's far to many accidents caused by low tyre tread especially in the wet, hence 3mm change. The difference in braking distance with tyres below 3mm can be quite substantial :shocked:
Quite agree
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If you have Bridgestones then I wouldn't worry about deterioration when they wear down, they are no worse at 2mm than they are at 7mm (they could hardly get any worse).
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If you have Bridgestones then I wouldn't worry about deterioration when they wear down, they are no worse at 2mm than they are at 7mm (they could hardly get any worse).
Here we go again :smiley:
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If you have Bridgestones then I wouldn't worry about deterioration when they wear down, they are no worse at 2mm than they are at 7mm (they could hardly get any worse).
Here we go again :smiley:
I'm not joking, I wore my GTD's S001s down to a fraction over the legal limit on the extended wait for the R (as I didn't want to shell out for new tyres on a car I was about to swap out), and I can honestly say that they were not significantly worse at that point than new with a full tread.
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If you have Bridgestones then I wouldn't worry about deterioration when they wear down, they are no worse at 2mm than they are at 7mm (they could hardly get any worse).
Here we go again :smiley:
I'm not joking, I wore my GTD's S001s down to a fraction over the legal limit on the extended wait for the R (as I didn't want to shell out for new tyres on a car I was about to swap out), and I can honestly say that they were not significantly worse at that point than new with a full tread.
Only pulling your leg.
To maintain the same level of grip throughout a tyres life is credible. Shame the grip is not what it should be from new. The tyre is consistent ,wears well but lack grips especially in the wet. Not the right match for the GTI or R.
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If you have Bridgestones then I wouldn't worry about deterioration when they wear down, they are no worse at 2mm than they are at 7mm (they could hardly get any worse).
Here we go again :smiley:
I'm not joking, I wore my GTD's S001s down to a fraction over the legal limit on the extended wait for the R (as I didn't want to shell out for new tyres on a car I was about to swap out), and I can honestly say that they were not significantly worse at that point than new with a full tread.
Only pulling your leg.
To maintain the same level of grip throughout a tyres life is credible. Shame the grip is not what it should be from new. The tyre is consistent ,wears well but lack grips especially in the wet. Not the right match for the GTI or R.
Some brands do stay consistent - I find Michelins don't really fall off when the y get low, but Continentals are quite poor below 4mm (relative to where they started).
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If you have Bridgestones then I wouldn't worry about deterioration when they wear down, they are no worse at 2mm than they are at 7mm (they could hardly get any worse).
Here we go again :smiley:
I'm not joking, I wore my GTD's S001s down to a fraction over the legal limit on the extended wait for the R (as I didn't want to shell out for new tyres on a car I was about to swap out), and I can honestly say that they were not significantly worse at that point than new with a full tread.
Only pulling your leg.
To maintain the same level of grip throughout a tyres life is credible. Shame the grip is not what it should be from new. The tyre is consistent ,wears well but lack grips especially in the wet. Not the right match for the GTI or R.
Some brands do stay consistent - I find Michelins don't really fall off when the y get low, but Continentals are quite poor below 4mm (relative to where they started).
Always used Michelin PS3s they only lasted about 10k on my MK5 . Softer compound more grip I suppose