Kumho Ecsta PS91

Dry Grip 89%
Wet Grip 81%
Road Feedback 84%
Handling 81%
Wear 75%
Comfort 82%
Buy again 85%

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 18 tyre reviews averaging 82% over 131,300 miles driven.

Latest Group Test Results

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

2017 Auto Bild Sports Cars Tyre Test - 7th of 9 tyres

  • Positive - Good resistance to aquaplaning, short braking distances on dry roads, well priced
  • Negative - Low lateral stability and strong understeer on wet roads, slow response to steering and relatively poor grip on dry surfaces, increased rolling resistance
  • Overall - Satisfactory
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Size Price Range  
235/35 R19 £91.10 - £114.60 (7 Prices) Compare Prices >>
245/35 R19 £98.50 - £105.10 (7 Prices) Compare Prices >>
245/35 R20 £112.50 - £127.20 (7 Prices) Compare Prices >>
255/35 R19 £107.10 - £119.90 (7 Prices) Compare Prices >>
285/30 R19 £140.00 - £154.20 (7 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.
75 - tyre reviewed on October 1, 2016   

Latest Kumho Ecsta PS91 Reviews

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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   
Given 80% while driving a BMW 530d F10 (275/35 R18 W) on mostly motorways for 25,000 average miles
I have these on the rear of my 320bhp 530d with over 600lbs of torque, in the dry the grip is very good and can usually floor it off the line and it will sink in and grip without too much fuss, but in the wet once the wear is below 3.5mm its hard to put much power down off the line or floor it below 40mph.

i do around 40k miles per year mostly motorway but i do like to put my right foot down, on corners the rear is stable and not too twitchy which is good for a big barge and the wear is really good in my opinion if you dont floor it all the time causing the tyres to self destruct.
The rears on my last set lasted 22k miles, this time around im at 25k miles with about 3mm left.

at around £140 per wheel fitted its not bad and is worth the money.
0 - tyre reviewed on January 8, 2019   
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Given 37% while driving a Fiat 500X (225/45 R17) on mostly town for 6,000 easy going miles
I fitted these to the front of my Fiat 500x in June and initially thought they were great, 6 months & 6000 miles later the tyres were useless, the tyres wander badly, were badly worn and much worse both inner walls were deformed to the point that my MOT tester advised me to get rid of them straight away.

Both tyres had been maintained at the manufacturers recommended pressure.

Very dissapointed
1 - tyre reviewed on January 3, 2019   
Given 73% while driving a Mazda 3 MPS (235/40 R18 W) on a combination of roads for 17,000 spirited miles
Very impressed at the overall performance of the tyre and consider it very good value for money.
Confidence inspiring and good feedback.
Only issue would be the wear & tear, which I feel could be better.
Definitely recommended and would buy again.
19 - tyre reviewed on January 22, 2018   
Given 83% while driving a BMW 640d (225/45 R17 W) on mostly country roads for 20,000 spirited miles
Had these on for 20,000 miles, and they are now pretty bald! Must admit these grip the road extremely well, i cant complain at all, and wish they did the bigger size for my car! (BMW 640D). On the plus size, even in icy conditions, the grip is extremely good. On the negative side, they don't look particularly special, and because they grip so well, steering at the front becomes very heavy! If they were more widely available, i'd buy them again
15 - tyre reviewed on November 20, 2017   

See all 16 customer reviews of the Kumho Ecsta PS91 (newest first) >>