Kumho Ecsta PS91

Dry Grip 87%
Wet Grip 79%
Road Feedback 80%
Handling 79%
Wear 63%
Comfort 76%
Buy again 73%

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 33 tyre reviews averaging 77% over 252,810 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 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  
225/40 R18 £74.00 - £88.50 (6 Prices) Compare Prices >>
225/45 R18 £89.30 - £109.90 (7 Prices) Compare Prices >>
235/35 R19 £93.50 - £115.76 (7 Prices) Compare Prices >>
255/35 R19 £108.00 - £125.24 (7 Prices) Compare Prices >>
275/40 R18 £122.00 - £147.08 (7 Prices) Compare Prices >>
285/30 R19 £139.50 - £143.00 (5 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.
86 - tyre reviewed on October 1, 2016   

Latest Kumho Ecsta PS91 Reviews

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Given 80% while driving a BMW X3 3.0dA (275/40 R19) on mostly town for 3,000 easy going miles
InI tried kumho ps91. The tread life is very short. I put on my BMW X3. 8 months later I hv to change. My wife drive very careful with kids. I m a bit dissatisfied
0 - tyre reviewed on December 15, 2020   
Given 76% while driving a Porsche BOXSTER 2.7 (225/45 R17) on a combination of roads for 6,000 spirited miles
Boxster 987. Came with these tyres on but one of the rears had a screw in it so replaced both rears about 6000 miles back. grip has been excellent in both wet & dry, but then again, I never push n the wet. Mostly daily driving with occasional fast B-roads, my rears are nearly done after 6000 miles. I'm not sure if that's my driving style or the compound of the rubber. Either way that's a bit dosappointing in terms of wear.
0 - tyre reviewed on November 19, 2020   
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Volkswagen (255/40 R20) on mostly country roads for 10,000 average miles
Initially I was very pleased with these tyres. They handled much better than the pirelli tyres that came on the car and overall made the car much more stable in corners. Fitted to the fronts when the rears were nearly at the end of their life, I have now found myself replacing all 4 at the same time. Well, this would be the case if tyres hadn't split along sidewalls rending them useless.
6 - tyre reviewed on July 15, 2020   
Given 61% while driving a Audi 2.7 TDi S Line Saloon (255/35 R19) on a combination of roads for 12,000 spirited miles
Seemed like a great value midrange tyre initially, but wore out very quickly. All 4 where put on with in a month of each other and only last 12.000s on the front. Maybe 30% left on rears. , while the fronts needed replacing. So I've replaced them all for Dunlop sportmax GTs. Only £10 more per tyre.
4 - tyre reviewed on May 8, 2020   
Given 50% while driving a Mazda RX8 (245/35 R18 W) on mostly country roads for 4,000 spirited miles
Good : -great levels of grip in the dry. -great road feed back. Average : -wear (around 8'000km in the rear) Bad : -really not linear at the limits, in the dry and even worse in the wet. Really not a confidence inspiring tyre. When it goes, it goes. -price, for the price in my size you can have goodyear asymmetric5 for cheaper, and michelin ps4 for only a litle bit more money. I personnaly do not recommend this tyre.
1 - tyre reviewed on March 31, 2020   
Given 45% while driving a Skoda Octavia vRS (225/40 R18 W) on mostly country roads for 5,000 average miles
Dry grip was good. In general the tyre was comfortable. Wet grip was scary a lot of aquaplaning when I went into any amount of water.
3 - tyre reviewed on March 6, 2020   
Given 63% while driving a Lexus IS250 RWD (255/40 R18 W) on a combination of roads for 6,000 average miles
Tyre is good for grip and handling dry or wet on the rear of a red lexus. Wear though is really poor lasted 6k at best and this was not a hard life
1 - tyre reviewed on October 26, 2019   

See all 29 customer reviews of the Kumho Ecsta PS91 (newest first) >>