Kumho Ecsta PS91

Dry Grip 90%
Wet Grip 83%
Road Feedback 85%
Handling 82%
Wear 78%
Comfort 81%
Buy again 87%

The Kumho Ecsta PS91 is a Extreme Performance Summer tyre designed to be fitted to Passenger Car

Benefiting from the company’s enviable motorsport achievements, PS91 is aimed squarely at supercars and such mouth-wateringly quick passenger saloons as BMW M cars, Mercedes-Benz AMG models and Audi RS ones. The entire range is Y or (Y) rated and offered in sizes from 18 to 20 inches in diameter. The focus is on maximum grip and braking performance in the dry, combined with outstanding feel in all conditions.

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Tyre review data from 22 tyre reviews averaging 84% over 151,810 miles driven.

Latest Group Test Results

2019 Tyre Reviews UHP Summer Tyre Test - 7th of 8 tyres

  • Positive - Very quick on first dry handling lap, with good steering feel and car balance.
  • Negative - Tyre overheated very quickly in both dry and wet handling, which changed the balance to high levels of oversteer. Very poor wet braking. Average levels of comfort.
  • Overall - The Kumho PS91 initially felt like a strong tyre with good steering and balance, but this soon changed as the tyre heated up, resulting in instability and low levels of grip.
    Conditionally Recommended.

2017 Motor Mag UHP Tyre Test - 4th of 9 tyres

2017 Sport Auto UHP and Track Day Test - 7th of 10 tyres

  • Positive - Acceptable handling on dry surfaces (although nervous behavior), good resistance to aquaplaning
  • Negative - Poor grip in the wet, low comfort
  • Overall - Conditionally recommended
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Size Price Range  
225/45 R18 £84.72 - £101.39 (7 Prices) Compare Prices >>
235/35 R19 £87.12 - £105.60 (8 Prices) Compare Prices >>
245/35 R20 £119.00 - £137.95 (8 Prices) Compare Prices >>
255/35 R19 £101.48 - £122.78 (8 Prices) Compare Prices >>
275/40 R18 £110.26 - £134.53 (7 Prices) Compare Prices >>
285/30 R19 £133.00 - £156.35 (8 Prices) Compare Prices >>
Available in 45 tyre sizes - View all.

Top Kumho Ecsta PS91 Review

Given 97% while driving a Vauxhall Astra VXR (245/35 R20 W) on a combination of roads for 3,000 spirited miles
Replaced Pirelli P Zero k1 tyrew with the Kumhos. I am realy happy that i made the change. The tyre is better on dry and wet in lower temperatures that the p zero. The p zero is slightly better in wet on warm days, but the kumho has a little bigger level of grip at dry, and does not need that high temperatures. Allso the tyre is realy good when puahed hard, doesent lose the grip level by heating up, the level ia going higher and higher. Perfect for everyday and fast road curve driving. Not tested on the race track, but it should perform ok for a street tyre. The stif sidewall is allso a good thing, much stiffer than p zero. I can highly recommend that tyre, they car has more overall grip than with p zero. Wear looks also ok for now.
76 - tyre reviewed on October 1, 2016   

Latest Kumho Ecsta PS91 Reviews

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BMW 218d Active Tourer (225/45 R17) on mostly town for 0 average miles
Absolutely terrible tyres had them on my 330i lasted 50000 miles I drive sensible & only do 20 miles a day, worst tyre I’ve experienced never again
0 - tyre reviewed on July 8, 2019   
Given 87% while driving a Kia Motors (225/40 R18 W) on mostly town for 2,500 average miles
I had these tyres on now for just over 6 months after swapping out the ES32 ecos that came with my car and quickly noticed a difference on the way back. Steering weight was slightly heavier, more responsive while turning and more steering feedback. While driving hard I haven't heard any tyre squeal and grip is more than enough both in the dry and wet. While cruising around town it's reasonably quiet and comfortable for this class of tyre. Wear seems to be good so far and I can still see the tread's flag decals on the rears. I would definitely buy these again especially considering they are much more affordable than premium brands while having similar performance.
0 - tyre reviewed on July 5, 2019   
These are the best tyres in the world. Watch now!
Given 97% while driving a BMW 520d M Sport (275/40 R18 W) on mostly town for 18,000 easy going miles
Replaced my Continental run flats with these and the difference was night and day. No tramming, harshness over the slightest bump. Very quiet and comfortable and good value for money. I have covered 18000 miles on the rear and still showing 4.2 mm. Would definitely recommended.
0 - tyre reviewed on July 1, 2019   
Given 89% while driving a BMW 325d M Sport (225/35 R19 W) on a combination of roads for 10 average miles
Having had the 245 section tyre on the back of a BMW for around 10,000 miles i finally needed new tyres on the front axle as well. The Rainsport 3's the Kumho PS91 have replaced were regarded as a good tyre and i didn't think anything was wrong with them while they were fitted but now i realise that the Kumho are a FAR SUPERIOR tyre to the Uniroyals.
The car is transformed in both comfort and grip, road feel has increased and the car now feels much lighter on the front axle with the set of four PS91's installed.
The rear tyres appear to be wearing well after 10,000 miles, i'm expecting to get that out of them again so i'll be happy with that.
If you were wondering what tyre to go for next, a set of these are superb in all conditions, even on some pretty shoddy British roads. They handle normal motorway miles very well, spirited driving and pulling out of junctions in a 310hp BMW with 620 NM of torque gives you no problems, highly recommend, hopefully Kumho continue to make these when i need another set.
0 - tyre reviewed on June 19, 2019   
Given 84% while driving a BMW 320d touring (225/45 R18) on mostly country roads for 5,000 average miles
Both dry and wet grip is very good!
Very good road feedback.
Advantage of its stiff sidewalls is sharp and fast steering, and disadvantage is lower comfort. (Still more comfortable than OE runflat tyres)
Recommended. I will buy again.

My comments for BMW/Mini owners:
If your car has factory-fitted runflat tyres and you are thinking about changing to conventional tyres, then I highly recommend Kumho PS91. Because of its stiff sidewalls, Kumho PS91's steering character is close to factory-fitted runflats. Never change your factory-fitted runflat tyres with convensional tyres with soft sidewalls. Otherwise your BMW/Mini will loose its steering and handling character.
1 - tyre reviewed on March 10, 2019   

See all 20 customer reviews of the Kumho Ecsta PS91 (newest first) >>