same kumho problem... balancing & egg shape. 245/45/18 100Y XL
I've always used kumho because the price well reflects in proformance if only they didn't need constant rebalencing.
I've had 4 duff pairs, ku31 x 2 pair, ku 39 x 2 pair that had to come off in the end they were so bad.
No amount of balencing can sort an egg shape tyre.
These new ps71 are very soft, squishy, feel like running on 20psi with 30g wheel wobble even after twice rebalencing them & 1 of them is egg shape.
I am worn out with trying to get them right & think after years of kumho on various different cars I'm giving up on them.
Changing to Dunlop.
I always feel bad going back to the shop to moan they must think it's me lol but kumho have let themselves down & I will say so.
PS71 is more expensive, lower spec & lower quality, not for me, I like a tyre to be not thought about coz it's getting on with it's job instead of feeling there's a 60mph side wind blowing me around & the steering wheel hammering out of ny hands not to mention the amount spent on rebalencing & hanging around tyre shop waiting for my turn.

And the same Kumho problems with Me.. balancing & egg shape. 215/45/17 91Y XL
I've often used Kumho Ecsta PS31 ,because have a chance to do it and they didn't need constant rebalencing.
These Kumho Ecsta PS71 are something different.
You will get "massage" , "constant lane change warning function" and sunshade vibrations for free.
Avoid buying them!

Very very good tired. Higly recomanded.

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Fantastic levels of grip in both wet and dry conditions. With the A6 3.0 Quattro you really have to be doing something silly to exceed the limits of grip on the road that these tyres offer. They've been fitted to the car for 26,000 miles and have just dropped below 2mm tread on the rear tyres in the centre. They were not good in the snow as can be expected from a summer tyre.

My car is a performance sports car (Volvo S60 Polestar) with hard suspension, monster brakes, and strong power. I love occasionally hitting it or throwing it around a corner. In the dry, the tyres are quite good with good turn in, good braking, predictable to a point. At the limit it lets go a little quickly. And it doesn't like rapid direction changes at high speeds. I've lost grip in the wet a few times which is a limiting factor. Overall - good mid range performance. Decent value for money. I won't buy again for my sports car but would consider them for a less sporty car like my Passat CC V6 AWD

PS71 for staggered setup on BMW 5 Series on 19” alloys. Just about a 1,000 miles in and were an excellent purchase decision. Good high speed stability within limits, sharp cornering and nice balance between sportiness and motorway ride comfort. Nice sidewall design and looks nice following a detail. No issues in the wet or dry, stops well in both conditions and very happy.

These tyres came with the car from new and I feel they are good tyres let down by below average comfort.

Had SEAT Alhambra 2006 nearly 10 years. Had previously Dunlop Blue response, Nokian and Semperit winter tyres. By comparison the Kumhos represent good value. They seem to grip well in the wet and OK in the dry compared with the others. The SEAT biggest weakness in my eyes, well ears is the lack of isolation from road 'noise'. The Kumhos do not seem any better or worse in transmitting this din. However the Kumhos do seem to affect the steering now that I have moved them to the front. I feel like I have lost steering sensitivity. The SEATs have a delicacy around straight ahead position that few modern cars can match but this has been lost slightly. It's as if the is a stiffness in the tyre tread that makes them reluctant to change direction. Unfortunately this also seems to me more aware of the tyres wanting to 'follow' camber too with conscious corrections I didn't notice with the Nokians on.

Great tyre for the price. All I can say it’s good. I bought the car with this tyre on. So the tyre had a few months left... but I enjoyed every bit of it... Not best in grip and thats why the wear is so good, but a perfect fit for a average driver or even for a person who likes oversteer now and then... But its a good tyre

Great tyre for the price. All I can say it’s good. I bought the car with this tyre on. So the tyre had a few months left... but I enjoyed every bit of it... Not best in grip and thats why the wear is so good, but a perfect fit for a average driver or even for a person who likes oversteer now and then... But its a good tyre

I have driven around 2000 km of mixed conditions with these tyres, mostly on motorways and a little bit of country roads and I can now rate them quite accurately. I mostly drive at speed limit, and sometimes spirited on empty roads. When I got them, I noticed they are made in Korea and the product quality is good regarding the reasonable price. Firstly I would like to mention the strengths of these tyres. I would rate them as quite comfortable as they really smooth out sharper irregularities of the road. Noticeably better than my old Vredestein Sportrac 5 tyres. Grip on dry is very good and excellent in wet, they always feel secure and predictable. Progressiveness is very good and even on Astra J, where the steering feel is numb, you get good road feedback. As with all tyres there are some downsides. I was really expecting the tyres to be sportier as they are in the UHP category and they do have a decent sidewall thickness, but when you start to push through the corners, they let you know they are more touring tyres. At hard cornering they get loud and sidewalls give in a bit too much to be regarded a fun tyre. Maybe they suit more sportier and lighter vehicles. On rough roads they can also be a little loud, but it is not an annoying sound. I have also noticed that in cold weather (around 0-5 Celsius), they get a bit egg shaped overnight and need a few kilometres for them to become round again. Never experienced that so far and it is somewhat annoying. To sum things up, if you can get them much cheaper than premium brands (like I did), I would recommend them. I think for mostly sporty driving there are better options, but they do a very good job for a daily driver.

Fitted these tyres onto my black Mercedes S class on 25 January 2020 with, I assume, 8-9mm of tread. Just had car serviced, March 2022, & advised that tread depth now 1.9/2.1mm after 16,000 miles!!!!! They are on the rear & it's rwd BUT in January 2020 I was 73, not a boy racer. Oh, this is a high day/holiday car plus works as a funeral vehicle. I have another "banger" for general use/car park pings & dings! So, mostly driving reverently or motorway distances, (France/Germany). OK, on motorways abroad, when traffic permits, I'm cruising at 80/85mph, but surely that should be the easy bit for a tyre. Anyway, as they're on the back, they felt fine but I've clearly left a 16,000 mile skid mark behind me! Advice, don't touch them with a barge pole, I won't again.

Nice grip. Confident in wet weather specially regarding cornering and puddles. Rim protectors could be bigger. No problem with the balancing or egg shape here refered. If you look deeper on tests and forum probably the ps71 has gone through important updates (my tyre says PS71 "2"; made in korea) Very good tyre.

Very stable tyre. Great feedback and handling. Very good price for the size. Too soon to tell anything About the wear.

Changed to Kumho PS71 from the excellent Continental Premium Contact. Price decision 40% cheaper. Best decision made, wear rate better dry handling more predictable on limit, wet handling no noticeable difference perhaps a little bit more road noise but thats very subjective. Overall very pleased had no balance issues seen on other reviews, seems to have quite stiff sidewall construction keeping tyre firmly positioned on surface feels very safe at all speeds and believe me it's driven in a very very spirited way. Would definitely buy again.