275/35 R20 Tires

I use my car for sport driving only on deserted roads so I should preface this review with the knowledge that they have a short life especially on the rear.

Most of the 800 miles have been in wet/damp or drying conditions.

Tread depth shocked me as they are down to 4mm already.

I have no complaints about the grip, they have excellent traction in wet conditions so I have no doubt the same applies to dry.

I can’t comment on steering feel etc as they are only on the rears.

First I should preface this by the fact that these are fitted to a dedicated sports car ( 718S Cayman ) that gets driven in a spirited fashion on deserted local roads at appropriate times.
I usually get pretty shocking mileage as a result of this and do well to get over 2000 miles out of rears in dry conditions.
These were fitted about 6 weeks ago and the paltry 800 miles have been mostly wet or damp.
I’m down to 4 mm across the tread which is a bit of a shock. I should add pressures and alignment are spot on.
They definitely have a lot of traction in wet or dry. However the wear rate is the price you pay here. I think if these had been fitted in summer they would probably be finished.

I am driving these tires in the dimensions 265/35 R20 at the front and 275/35 R20 at the rear on my 2020 Ford Mustang GT.
Since I previously had 19" rims, I had to look for new tires. The Kumho Ecsta Sport S came out this year and piqued my interest, especially since Kumho promised many improvements over the PS91.

Since the price was very reasonable and the preliminary tests available at the time were all positive, I ultimately decided on the Kumhos.

What was noticable was the very stiff sidewall. I can almost put my entire weight (~90 kg) on the tire without it being pressed down.

Once it was fitted, I immediately noticed the very precise and direct steering response, and that the tire is relatively comfortable despite its 20-inch size and sporty design.

The grip level with this tire is very high, regardless of whether it is dry or wet, and it conveys confidence in the car at all times.
The noise level is unobtrusive, and even potholes are well filtered.

So, everything is great? There is one point where I am absolutely disappointed, and that is wear.

When new, the tire has a tread depth of 7.1 mm, and after approx. 6500 km (~4000 miles), despite mostly calm driving (no racetrack), there is only just 5 mm of tread left at the rear and approx. 5.2 mm at the front. Since I run the tires down to a maximum of 3.0 mm for safety reasons, this means that the tires would not even last 15,000 km (assuming linear wear). The Michelin Pilot Sport 4s lasted for around 40,000 km (~25,000 mls) and still had over 4 mm of tread left!

This is truly devastating. Even though they cost only half as much as Michelin tires, I would have liked to see a higher mileage.
I don't know yet whether I will buy these tires again. The tire itself is really great, but the wear ruins the overall impression.

I am not yet certain whether I would purchase this tire again. On the one hand, it is incredibly enjoyable and gives the Mustang a significantly more direct and enjoyable driving experience while maintaining a high level of driving safety. On the other hand, the wear is abnormally high, which is definitely something to consider. My decision will depend on which alternative tires are available on the market when these tires are worn out.

The stock runflat Pirelli P0 PZ4 came with G12 M760i is nothing about comfort or performance. I went for 4 PS4S without * as there's no BMW spec PS4S with 245/40/R20 size (front, actually 275/35/R20 PS4S * is for F90 M5 front).
Pros
1. Compatible with xDrive on G12 M760i (probably also good with other AWD G12 7er models): No noise or abnormaly with the central clutchpack diff.
2. Comfy: non-runflat. Soft and cushioning. PS4S makes M760i a real 7er
3. Performance: Better 0-60. Better grip all time (not for winter). More confidence with the weight and torque, though just a little bit, after you get used to it, as the suspension might be optimized with runflats (the suspension seems too soft with non-runflats).

Cons:
1. Poor handling: The suspension is too soft with non-runflats. I know it's not fair because it's not the issue with tires. But the feel is not sporty, but kinda Rolls-Royce.

I bought and mounted these tires 7 months ago, for the last winter, driven less than 10'000 km. Changing back to summer tires on my BMW X40i and guess what? I have to throw the Blizzak tires away, because they are worn out! No aggressive driving, no heavy load, almost no driving in warm weather (a few hundreds of km in the Spring). They are gone. I never saw something like this. That means, goodbye Bridgestone!

I installed the tires as a BMW * product. Really need some heat in them in order to perform. Very good grip limits on dry, not that great on wet as advertized in comparison to similar series products from others (PS4s / GY ASSY6). Keep performing decently even after 25k km. Worst part of the experience is the high wear rate where on 25k km they are down to below 3mm of tread depth and in comparison the the very high purchase price they come out as very expensive to use. Will go for another option on the next change.

Jaguar XJ SuperSport 510BHP SWB 2010... Well; the Dunlop Tires are absolute rubbish and even with light acceleration all over the road. Bought these tires for front and back and put on my spare set of wheels. Had my original wheels reverbed so put my spare wheels on with these Pace Alventi tires and I'm not joking they are much better than the ridiculously expensive Dunlop tires jaguar recommends and at a fraction of the cost; everything seems better... Better grip & handling and quiter on road noise. I don't use the car often so i cannot judge the last ability as yet as not had then long enough to make an accurate assessment, but everything surpasses my expectation for what is referred to as a budget Tire. Definitely recommend these...