Had these installed on my 1998 SLK 230 after my Bridgestone Turanza T001's were worn. I drove those tyres from new and I must say that these Michelins feel much better. Lower noise, better comfort. It gives the car a bit more "floaty" feel, but not in a bad way. Feedback from the tyres is good and they can cope with a pretty high cornering speed, without feeling too soft or unstable, though I must say that the Bridgestones gave better feedback during high speed cornering. But that is something these tyres aren't made for. Can't say anything about the wear yet, because I only drove them for 1000 kilometers.

I purchased a pair of Michelin tyres from Black circle and used one of its tyre fitting centers.
On returning home the tread on my new tyres looked the same as my old tyres on the rear which have done 25000 miles. I contacted black circle after checking with a web review the correct tread depth which was 8mm, They asked me to take the car to have the tread measured, it was 5.6mm. I contacted black circle again, they contacted Michelin and they said the tread should be 7mm +/- 0.4mm. I have spoken to Michelin independently and been told tread depth is not important any more, it how many miles per tyre you get. I have had it suggested by black circle to by 2 new tyres and they will return them to Michelin for review. Not sure who's customer service is the poorest Black circle or Michelin.

I used these to replace my Goodyear efficient grip performance on my astra in the size of 225/50 17 and I can say they outclass the Goodyear's in every way especially wear which the Goodyear's gave out at about 7000 miles of realitvley quick driving where as primacys 4 still got tons of life after same mileage, dry handling is better too, even comparable to 245/45/18s I have on my other astra (exact same model) and wet grip is only slightly out done by the wider goodyear eagle f1s. Comfort is far better as they obsorb bumps better and the sidewalls are slightly stiffer than both the Goodyear's hilariously which means less wallow in corners. Fuel consumption is slightly and I mean very slightly worse on the primacy 4s compared to the efficient grip performance Goodyear's but it's vastly out weighed by positives in every other regard.

So you want excellent grip while maintaining a good fuel econemy and wear get these hands down best tire going.

Need something wider I'd suggest pilot sport 4s.

Quality tires. Very good wet grip and very good response when under pressure. Really premium stuff

Only lasted 26000 miles on front. Happy with performance but not durability. Replacing fronts with Goodyear efficient grip performance, saving £50 fitted on the pair.Will see if there is a difference in durability. Rears (primacy 4 also)were changed at same time and still have at least 4mm tread

Recently replaced 3 years worn energy saver Michelin on an French MPV vehicle.
On dry steering where before felt steering light, with new tyres i have not yet found the tyres limits. Grip and road info with grip is always there. No need to try find the limits. Concluding, now i can steer in a more confident fashion and in corners.
On dry, simply superb. On these tyres you got the confidense that you can steer and brake like on dry. Always respect wet conditions and never try to find limits, though grip is always there while road feedback is excelent.
Comfort. My vehicle is a really confirtabke one (french), while these tyres added confort. I could not believe how confort despite low profile and rather cold weather, that i checked pressure to verify all ok. Pressure was fine. So it was the tyre, not the setting.
Crossing fingers, since tyres carry our lifes, but first impression wasreally good. Hope that this is the case and later on

Seat Leon 5f (mk3 2014).changed very noisy Dayton d320 with these Primacy 4 on 205/55/16.
Thoughts after 3.000km on various roads in Greece with more country driving.
-very quite and very very soft,in town is going over bumps like a charm.
-I’ve seen at the end of the bead small cuts from stones or bad road condition.didnt expect
-dry grip is good but wet grip is not as good as expected,it loses grip on BAD asphalt wet roads easily,but on new asphalt is really ok.
-worst,is that my steering now is a bit sluggish and off feeling with these versus the cheap precious Dayton wich has a softer sidewall.i consider better fuel economy with the Primacy but the steering was more aggressive and accurate with the previous..

Overhaul, 8/10 from me.

This is was a polarising tyre for me, at least in the beginning. After a bit of research, I decided to go with the Primacy 4 as I got a good deal, and my first choice, the Bridgestone S001, was out of stock here in SA. So I had them fitted to my GT86, and off I went. Initially, I got the same "slidey" feeling that others have mentioned, however I knew the tyres need to be run in before you get proper grip, so I soldiered on. After about 200 km, there wasn't much difference though. The comfort and road noise were very good, but the perceived grip and steering feel were off. I did notice that braking was good though. So I drove for another 250 km and was starting to wonder if I had made a mistake. Its weird, the tyres do grip but the perception is that there isn't much grip. I can confirm this because I chuck my car very hard into corners, and the rear end actually breaks out less than with my previous Yokohamas. At one stage I was thinking of offloading them and taking a loss, and just buying the Bridgestones that I wanted. What I did find out eventually is that they take a bit longer to run in , and to improve the steering feel, I'm running the fronts at a slightly higher tyre pressure ( have no idea why but this improved things ). I'm now happy with the tyres , and as mentioned they deliver excellent comfort and quietness. These are perfect for the high mileage rep, not the first choice for the sporty driver as its definitely a touring tyre, but I've worked out a tyre pressure setting that works, and overall its a quality tyre that should deliver for the average driver. I may even keep them now for the duration of the lifespan.

Oreviously on Yokohama, Dunlop and ither japanese tyres. Swith to Michelin primacy 4. very quiet,comfort and good dry grip

After that my old tires were shredded at a public parking lot....right next to a tire-dealer......(!?.. hmmm...)..... and because of my rather stressed situation I was more or less forced to buy these Michelin Primacy 4 tires, the only size the tire-dealer had available for my car.
I was very unhappy about that because I had a very poor experience with the Michelin Primacy 3 on this car, I have previously made a very negative review about the Primacy 3 on this site, I was extremely surprised and disappointed with the Primacy 3.
I will say that the Primacy 4 is far better than the Primacy 3, they are much more like a premium tire, it is good grip and performance both wet and dry, good braking wet and dry, I have driven with these tires in very heavy rain with deep water puddles on the road without any problems.
The comfort and noise level is acceptable or good depending on the road surface, these tires are good on normal roads but they do not like bad bumpy roads and the comfort and stability is suffering in a rather unpleasant manner.
And despite the good grip and the fact that they are far better than the Primacy 3, I just don't like these tires, the feel and handing is not quite comparable to my previous tires Dunlop and Hankook, the Primacy 4 are a little doughy with a little slow feeling and reaction, the direction stability is somewhat undefinable, it's never stable and straight, it is not huge problems but enough to turn me of.
Both my OEM Dunlop FastResponse and Hankook Ventus 3 had very stable direction stability, good handling, reaction and feeling, the Primacy 4 can not compare, on this car there's a noticeable difference.
As with the Primacy 3, after a few months I got rid of these tires, after all these years of driving I'm a little bit spoiled, if I don't like the tires I change them.
Maybe for another car and driver the Primacy 4 is suitable but not for me and this car, and I still insist that Michelin tires were better some years ago.

Awful tyres in the cool - anything less than 15 degrees centigrade and they loose grip when cornerning under power or acceleration on a Golf R DSG 310.

Dismal tyres, the worst of four sets on this car over 51,000 miles.....

First time took Michelin tires and it seems to be the best choice ever made. Have them for around 6k miles only, but enough to make a hardest test and stay impressed. Wet roads, just push the gas pedal to the floor and don't worry.