My two have a manufacturing defect that is worrying to say the least. See images.

Premium tyre attributes for good price. Wet grip is great, tyre construction is very good. Sidewall stiff enough for relatively lightweight Cooper S. Michelin Pilot Sports are better, but if budget won't stretch, these are a good substitute.

The tires are quiet and the grip is very excellent.

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After 15k km or so of street driving, I took the car these are on to my first ever autocross event. These tires held up extremely well for being an over 300tw tire. They jumped about 6psi when they got hot, but they held a consistent pressure once they were hot. Dropped them 5-8 psi at all corners and they were happy and consistent; no sidewall rollover and neutral, linear handling. They don't show any major damage from the event, but they probably will be lucky to get another 10k or so from them. I'm not sure I can blame that on the tires though, as the last 3 sets of other brands I've had on the car have also only lasted about 30k at most. They are pretty noisy after a while though and they tend to scallop the inner edge a bit.

Dry:
If you're driving in hot climates (from 20C up) they're quite good (8/10) because handling, braking and stiffness feel just right. They are super noisy for a summer tire, above 90kmh they feel on par with Vredestein Quatrac Pro which are all season tires! The grip is not comparable to Michelin Pilot Sport 4S but that's to be expected.

Wet:
Rain behavior is interesting because they do slip (cars tamer than my Mustang probably wont make them slip at all) but they slip predictably and progressively without snapping, the central grooves are wider than usual so aquaplaning doesn't happen easily. They're okay in my opinion, grip is limited but they warn you soon enough.

Cold:
Kumho PS71 are terrible in the cold (below 10C) they are super stiff and they snap easily even in the dry (cool if you want to do some drifting but dangerous) and they're terrifying in wet conditions, I went on a 18% steep downhill at around 3C temperature on a relatively dry road (it rained the night before but most of the road was dry with some wet patches) and the wheels locked up with minimal and gentle brake input so I had to engine brake at 4k rpm to not slide, this would never happen with Continental SportContact or Bridgestone Potenza high-end summer tire. I never tested these tires below freezing or during winter luckily.

Durability:
No rim protection which on big wheels and low profile should be standard, wear is disappointing considering how stiff the tire is, probably the hard compound tears down more than softer rubber. Rear axle went flush with the wear bars before 18tkm and the front before 25tkm of course the Mustang will eat through the rear tires like butter considering how heavy and powerful it is but a Pilot Sport 4S will last almost 30tkm and provide significantly more grip throughout the entire lifespan...

Conclusion:
Good budget tire for hot climates, to be avoided at all cost in cold environment. I would not buy this tire again unless I get a super good deal (max 110€ per tire compared to Continental which are 160€)

Tested on 2000 NB MX5 with Teinz coilovers

I have another review closer to the beginning of life for these tires, this is a near end of life update

got the MX5 aligned recently, and although it drove well before (its hard to find a poor handling mx5) the toe out on the front destroyed the tires faster than they otherwise would have worn.

however with the new alignment (F: 0 toe; -1.5 camber; 4.5 caster R: -1.3 camber; -0.50mm toe) both the car and tires feel alot better.

I also have done a track day with them, they felt great for about 1 1/2 laps of a ~1 minute track but become really greasy afterward as they overheat somewhat quick. this said that is not a criticism of the tyre as it is not designed for track work.

Dry grip on the Twisties / Touge is very good and unless you are really pushing it (to the dismay of local law enforcement) these have more than adequate grip for fun spirited driving. However you can get them loose if you try and of course will not have the pace of dedicated semislicks.

wet grip is very good, you can get them loose with some ease if you try, however to do so would not be 'driving to conditions'. for their class in an Australian climate their wet grip is great (probably not PS4S great, but not so bad it's dangerous.)

only thing I'd say is wear is not that great, granted i did have a poor alignment that accelerated wear, but i would eyeball the wear as below average for it's class. not horrible, not great either. the PS71's on my MX5 have lasted 15,000 km of driving on a harsh alignment (toe out on front) 60-70% of that driving was at 7-9 tenths on twisty roads, so abnormally hard compared to most.

I wouldn't recommend this tire to those who drive Touge / Track at pace often in summer or in a climate where you can run summer tires year round (like australia) . go for a semi slick in that case if you can stomach the poor wet performance. or a PS4/PS4s/PS5/PSs5 if it is in your size (PS4/PS5 also overheat on track so keep that in mind) a PS71 is simply not made for a Track/ heavy Touge use case.

if you need wet weather grip and take your car for a 6-8 tenths run every now and then but need a good daily tire, these tires will be great value for money.

a PSA:
get an alignment. Don't care if you've had the car for a month and the previous owner said they got one recently, get an alignment as any handling or wear issues cannot be blamed on the tire unless you personally have taken your car to get an alignment yourself. a fresh alignment, especially custom performance specs (do your research!) can have a monumental impact on how the car feels regardless of tire choice.

Fitted to 2014 Jaguar XF, replacing Goodyear Eagle Asymmetric 6s, and the difference is not that noticeable. Plenty of grip in the wet and dry, and good handling, although I drive fairly conservatively. Perfect for day to day use, and quite a bit cheaper than premium brands. Only unknown is wear as I’ve only had them for a month, but then the Goodyears tended to wear out fairly rapidly anyway.

They perform well on dry and wet roads. I regularly drive on the highway. I've put 15,000 km on them and think they have reasonable wear. On the downside, I find them quite noisy and my car isn't well insulated, so I won't buy them again when they need replacing. I'll look for quieter ones.

In all but noise level the tyre is top, better then many more expensive "premium" brands I have had over the years. Grip, handling, breaking and comfort both wet (most impressive) and dry, performs exceptionally well at low temp. Highly recommend.

A little bit disappointed with these tyres. Bought them for a Citroen DS3 1.6 diesel (90hp).

I do mostly driving up and down the Peak District for my commute, so there's a lot of twisty roads and lots of braking and acceleration due to the hills.

Grip is great in the dry and wet, and have good aquaplane resistance on a straight line. Decent grip around the corners, but can occasionally trigger the traction control if you accidentally floor it mid corner. Fuel economy is decent, and from my experience, it has fairly low roll resistance. Braking distance is average, but stable.

However, I can see why these have good performance for the price, and it's because of the poor wear.

Bought these with 7mm tread new on all corners. They are already down to 3mm at the front and 6mm at the back, after only 10,000 miles.

They were £86 per tyre when I got them. Would probably buy them again, if I was strapped for cash. But might be better to get something a little bit more expensive, but with better wear resistance.

Surprisingly good tires, both on dry and wet roads, I've never had a problem with braking, skidding, or aquaplaning. I can only recommend them.

Great tyres for the price! 23,500 miles and 15 months driving before they were down to minimum wear markers and needed replaced, which on my BMW F11 520D rear wheel drive seems to be about average life expectancy. Tyres never lost grip once, wet or dry. I would have preferred if they lasted at bit longer, but I tow a caravan about in the summer months which probably shortens their life.They seemed to get a little noiser when they were well worn down.

I had limited budget and I study abot two weeks wich tyres I will buy...read many tests and I choose Kumho ps71 after Pirelli p7 cinturato.I will just say this tyre is underrated.Excellent dry grip and very good wet grip,handling and noise.I love this tyre after 20k km and sure I want buy them again.My car is Civic mk8 hatchback.

Great budget tyre, been using these daily on a 310bhp Clio 4 RS and they run great. Millage is an average of 30 miles a day. Wear rates are great, fronts going to half in 12 months so rotated them for the rears. Have used them on track also, and even though they arent "slick" level performance, with the pressure kept in check they were great to drive on. Super progressive on break away and easy to balance in the corners. Will defo buy again. (car selection section not working)

Car this tyre was fitted on was a 2000 NB MX5 with Teinz coil overs and white line sway bars set to their stiffest setting.

This tire is great, except it's one glaring flaw: once grip is lost it takes longer to regain traction than most if not all tires in its class (dry and wet). i have this on personal experience and accounts from a handful of other people who have a PS71 fitted.

The PS71 is a good Tyre if you get it for a cheap price. I payed $560 Aud for a 205/45/16 set (incl fitting and balancing) with no discount and I have reasonable confidence that no other tyre will come close to the PS71 at this price point or close to it. (the good price does not seem to scale with an increase in size unfortunately)

while you can hustle the PS71 on a twisty road its lower level of grip relative to other options in its class on the market, hesitance to regain grip after it is broken and relatively soft sidewall make it a subpar option to other tyres available in class and certainly to semislicks (where hard street and track driving is concerned). Make no mistake though, these have tires have more than enough grip for driving within the bounds of the law (to get them unstuck you would need to be driving in a manner your local law enforcement would be unimpressed by to say the least)

as for driving feel, it is okay but not great. it feels pretty numb but I am yet to conclude if it is an alignment or tyre issue

If you just want a competent, safe, mostly reliable performance Tyre for daily and spirited driving, this will do it for you. That is until you get into a situation where you loose grip. not to say that it does it to a degree that is dangerous, but when you unintentionally loose traction every moment longer the tyre takes to come back is a moment that could save you, and on this reason alone if you have a Michelin pilot sport, continental MC Tyre, Goodyear eagle f1 available in your size I would strongly suggest paying the premium for those options. If you stay at 8/10ths and below and have ABS I wouldn't as much about the beyond limits grip.

TLDR; If you never flirt with your cars limits, cannot find a better option for your wheel size and/or need just a 'good enough' Tyre to have until you get another set of rims, this tire is a strong contender. however if you hate the idea of a tire that behaves badly past the limits of grip, I would advise looking elsewhere.