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  • Kumho Ecsta PS31
  • Kumho Ecsta PS31
Tire Rack Test

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The Ecsta PS31 is Kumho's Ultra High Performance Summer tire developed for drivers who emphasize handling and performance in dry and wet conditions for their sports cars, sporty coupes and performance sedans. Like all summer tires, the Ecsta PS31 is not intended to be driven in near freezing temperatures, through snow or on ice.

Kumho Ecsta PS31A high-technology summer compound features High Dispersible Micro Silica for a more even distribution of silica throughout the contact patch and High Grip Resin to enhance dry and wet traction. The compound is molded into a directional tread pattern with a solid center rib for improved high-speed stability and 3D Dimple Design heat dimples help minimize heat buildup in the tread blocks, increasing durability for reduced wear. Optimized lateral groove angles resist irregular wear while maximizing water displacement during wet-weather cornering, and the four wide, circumferential main grooves work with diagonal-sipe microgrooves to evacuate water from the footprint for hydroplaning resistance.

The tire features a computer-simulated structure to provide uniform contact pressure for even wear, and the reinforced internal construction includes a two-ply polyester casing beneath twin wide, steel belts and two full layer nylon cap plies for improved impact resistance, high-speed handling and durability.

Tire Rack Test Results Kumho Ecsta PS31

Does Firestone Hit the Ultra High Performance Summer Mark? (07:33)

Firestone wants to hit the bull's eye with its new Firehawk Indy 500. The target is specific: an outstanding blend of dry and wet street traction and handling.

How accurate is Firestone's aim in the Ultra High Performance Summer category ripe with contenders including the BFGoodrich g-Force Sport COMP-2, Dunlop Direzza DZ102 and Kumho Ecsta PS31?

Read the Full Test Report

Ratings Charts & Reviews Kumho Ecsta PS31

Tire Category: Ultra High Performance Summer

Consumer Surveys

 
Best in Category
Miles Reported
Recommended
Treadwear
Kumho Ecsta PS31
Good
95%
1.2M
7.4 - Good
8.0 - Good
8.1 Hydroplaning Resistance
8.0 Wet Traction
8.5 - Good
8.4 Corner Stability
8.7 Dry Traction
8.4 Steering Response
N/A
N/A Light Snow Traction
N/A Deep Snow Traction
N/A Ice Traction
8.3 - Good
8.4 Ride Quality
8.3 Noise
8.1 - Good

Customers Say

Customer feedback data reveals strong performance in dry traction, with many ratings in the 9-10 range highlighting confident grip and responsive handling. Wet traction also earns praise, with scores mostly 7-9 indicating reliable wet-weather capability. Ride comfort receives positive mentions for smoothness, though a few note slightly firmer feedback typical of ultra-high-performance summer tires. Treadwear scores are solid for the category, with many users reporting satisfactory longevity under spirited driving. Noise levels are generally well-received, though a minority mention moderate hum at higher speeds. Overall, the tire aligns well with its intended use, delivering summer-focused performance drivers expect from this class.

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Customers Like:

123 customers mention "Wet Traction"

  • 107 positive
  • 16 negative

Most customers rate wet traction 8-10, highlighting confident grip and hydroplaning resistance. While a few scores 0-6 note concerns, the PS31 excels in its summer category.

August 29, 2023 (Verified Purchase)

4.1 out of 5 Star Rating
4.1 out of 5

...These Kumho's are... very stable in the wet...

Really great tire. The OEM Goodyear tires were awful - poor dry traction, lethal in the wet and noisy.

These Kumho's are really quiet, have great dry traction and are very stable in the wet. The ride is also improved over the OEM tires. I don't have a lot of miles on them but so far I could not be happier given the price/performance tradeoff. Highly recommended and I would purchase them again for sure.

Vehicle: 2014 Nissan Maxima 3.5 SV
Miles Driven on Tires: 6,000
Driving Conditions: Mostly City
Location: CARY, NC
Driving Style: Average
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October 09, 2018 (Verified Purchase)

3.9 out of 5 Star Rating
3.9 out of 5

...It shines in the wet and has pretty good dry grip, but does give up grip much sooner than the OEM Bridgestone...

My plan when purchasing these tires was to buy them along with 15" wheels to downsize the OEM wheels on my Fiesta ST, as the OEM 17" wheels required a short sidewall which caused the car to "crash" over bumps. I chose the Kumho tires based on price and reviews (specifically those pertaining to wet weather performance). These tires have been almost exactly what I thought they'd be, a jack of all trades for summer perormance. The Kumho probably doesn't have the highest rating in any one category, but I'd say it's above average in almost all ways. It shines in the wet and has pretty good dry grip, but does give up grip much sooner than the OEM Bridgestone. Overall, I like them and feel that they do it all well with no glaring faults - especially considering the price. I'd recommend them to budget minded shoppers, but probably not to someone who wouldn't mind spending more for higher levels of performance and ultimate grip.

Vehicle: 2016 Ford Fiesta ST
Miles Driven on Tires: 2,500
Driving Conditions: Combined Highway/City
Location: MIDDLETOWN, NY
Driving Style: Spirited
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April 29, 2019 (Verified Purchase)

4.8 out of 5 Star Rating
4.8 out of 5

...As far as wet grip, in drizzling and light rain, I am comfortable driving up to 75-80 mph. In medium/somewhat heavy showers, I can drive up to 60-65 mph comfortably. Real heavy rains, I wouldn't recommend anyone driving fast as visibility becomes poor, however I have never hydroplaned or had any sense of it happening...

I'm running these 245/40 tires on a 17x8 +40 wheel on lowered suspension. Originally I was looking at these tires and a few popular ones from other leading brands, and comparing everything per against the best dollar value. I've had a few different sets of Kumho's in the past on other cars, and they did not disappoint, so I figured why would these? As far as dry grip, they are great! As far as wet grip, in drizzling and light rain, I am comfortable driving up to 75-80 mph. In medium/somewhat heavy showers, I can drive up to 60-65 mph comfortably. Real heavy rains, I wouldn't recommend anyone driving fast as visibility becomes poor, however I have never hydroplaned or had any sense of it happening. Anyways, onto "spirited driving," I gave the tires a solid 5000 miles or so before I took the car out on more curvy highways. These are roads where you can take turns up to 50-60mph, and these tires gripped the road very well! At first I was nervous, because with any tire, you don't know how they will react with your driving style and road conditions, however I quickly became comfortable with the amount of grip and expectations going into and out of a turn. I have no complaints about these tires and have already looked into another set for another pair of wheels I have! Thanks Kumho!

Vehicle: 2003 Lexus IS300
Miles Driven on Tires: 10,000
Driving Conditions: Combined Highway/City
Location: COPPELL, TX
Driving Style: Spirited
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148 customers mention "Dry Traction"

  • 136 positive
  • 12 negative

Dry traction receives outstanding ratings, with most scores 9-10. The Kumho Ecsta PS31 delivers responsive handling and reliable grip, excelling in its intended ultra-high-performance summer category.

November 09, 2016

4 out of 5 Star Rating
4 out of 5

On my first Autocross with these tires on, I broke my personal best... I took seconds off my time...

On my first Autocross with these tires on, I broke my personal best. Some track. Worse conditions than the month before, because rain had washed some sand across some of the turns. I took seconds off my time. The ride is soft, which is great for my back. They are definitely less responsive than the Bridgestone Pole Positions that they replaced. BUT, in actual track lap time, they are faster. Incredible bargain!

Vehicle: 1999 Mazda Miata
Miles Driven on Tires: 2,000
Driving Conditions: Combined Highway/City
Location: CINCINNATI, OH
Driving Style: Spirited
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July 16, 2024 (Verified Purchase)

4 out of 5 Star Rating
4 out of 5

...Incredibly sticky while blasting through curves well into triple digit speeds on a summer day. Steering is precise and instant. The tires make zero complaint when reaching G limits in a fast, tight curve...

For the price, it's a solid tire for road warriors engaging in spirited driving. I have them on my GTI VR6, purchased after a big brake upgraded necessitated larger wheels. They're rather low profile wrapped around my BBS RC wheels, and ride quality suffers, especially with my stiff H&R suspension setup. But the car's not set up for comfort, it's set up for fun, and these tires deliver. Incredibly sticky while blasting through curves well into triple digit speeds on a summer day. Steering is precise and instant. The tires make zero complaint when reaching G limits in a fast, tight curve. Acceptable performance in the rain, but I've had a few sketchy experiences with them suddenly hydroplaning on Highway 680 either way between San Bruno and Daly City during heavy downpours.

Note that these tires do not like sitting. Car was in storage for a while and rarely driven between 2019 and 2024. Some of the tires deformed during this time, and there's a noticeable bump and vibration, especially on my rear right, even though tire pressure was maintained during downtime. This commonly happens though to sitting tires though, and I don't fault the tires for it.

Vehicle: 1995 Volkswagen GTi VR6
Miles Driven on Tires: 15,000
Driving Conditions: Combined Highway/City
Location: CONCORD, CA
Driving Style: Spirited
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July 30, 2018

4.6 out of 5 Star Rating
4.6 out of 5

...PS31 were recommended as they are firm tires, more complain to my OEM tire feeling, and wow, I'm amazed, the change was night and day. Tires brake on a breath, corner as good as the OEM Dunlop Sports...

Astonished bythe performance of this tires either on the dry and on wet pavement, before this set I had chinese A1 Antares tiresc that slipped all over the place, had less than 200 miles on 'em, changed them st the tire desler less than 2 weeks after as they felt horrible in general. PS31 were recommended as they are firm tires, more complain to my OEM tire feeling, and wow, I'm amazed, the change was night and day. Tires brake on a breath, corner as good as the OEM Dunlop Sports and have a grip on wet pavemente, so far I' aamazed at this tires, and woul by them again on a hearthbeat.

Vehicle: 2011 BMW 135i Coupe M Sport Package Built Before 9/10
Miles Driven on Tires: 50
Driving Conditions: Mostly City
Location: Indio, CA
Driving Style: Spirited
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144 customers mention "Ride Quality"

  • 133 positive
  • 11 negative

Most customers rate ride comfort highly with scores 8-10, praising smooth handling. While noise levels vary, many note excellent noise comfort, aligning with summer tire expectations.

August 11, 2020

4.2 out of 5 Star Rating
4.2 out of 5

...The Kumho's are the most comfortable Summer Performance tire I have ever seen! So compliant over bumps and dips but the grip is there when you need it...

Love these tires! I 've only owned them for two weeks but the difference from the 16" Arizonians I had are astonishing! The grip is great, in wet or dry and the comfort is on point with the Arizonians. The Arizonians are an All-Season passenger tire, built for a comfortable ride and good fuel mileage. The Kumho's are the most comfortable Summer Performance tire I have ever seen! So compliant over bumps and dips but the grip is there when you need it. For my Civic LX, they're the best buy.

Vehicle: 2011 Honda Civic Sedan LX
Miles Driven on Tires: 200
Driving Conditions: Mostly City
Location: CHICAGO, IL
Driving Style: Spirited
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November 08, 2021 (Verified Purchase)

4.7 out of 5 Star Rating
4.7 out of 5

...They are holding up well tread-wise and are super quiet and comfortable on the highway where I do most of my driving...

Bought the Kumho's for my mk6 Golf TDI on the recommendation of users of a mk6 GTI forum � over the course of 10,000 miles with them, I'm happy with my purchase and they provide fantastic value for the money. They are holding up well tread-wise and are super quiet and comfortable on the highway where I do most of my driving. Make no mistakes though, these tires still handle well when going for a B-road blast through the twisties. My Golf is lowered on H&R sport springs and the Kumho's match the performance well and inspire confidence when going on a spirited drive, although they feel a little softer when compared to my mk5 GTI's tires which are stiffer, but far noisier when cruising; this could also be down to suspension differences/tuning between the two however. For a daily driver summer tire, especially for highway cruising, I'd absolutely recommend these tires.

Vehicle: 2014 Volkswagen Golf TDI
Miles Driven on Tires: 10,000
Driving Conditions: Mostly Highway
Location: EAST HAVEN, CT
Driving Style: Average
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May 10, 2021

4.3 out of 5 Star Rating
4.3 out of 5

...The Kuhmo tires are extremely quiet, provide a very comfortable ride and are quite grippy as well. I did notice that the sidewall does seem a bit softer than other summer tires that I've had, but I would gladly take this trade-off with the comfort and quietness that these tires provide...

I replaced a set of Dunlop Direzza 102 tires with the PS31 Kuhmo tire and it has been a night and day difference. The Kuhmo tires are extremely quiet, provide a very comfortable ride and are quite grippy as well. I did notice that the sidewall does seem a bit softer than other summer tires that I've had, but I would gladly take this trade-off with the comfort and quietness that these tires provide. Compared to the Dunlop tires, the Kuhmo's have an increased and noticeable amount of grip when cornering. In all, I feel like the PS31 is a perfect combination of comfort and performance, especially for those of us that spend a lot of time commuting, but also want a tire that can provide confidence and fun in cornering when the opportunity presents itself.

Vehicle: 2011 Volkswagen Jetta SportWagen TDI With Rubber Valve Stems
Miles Driven on Tires: 1,000
Driving Conditions: Combined Highway/City
Location: HUNTINGTON BEACH, CA
Driving Style: Spirited
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109 customers mention "Treadwear"

  • 95 positive
  • 14 negative

Most customers rate treadwear highly with 9s and 10s, praising reliable performance in dry/wet conditions. A few lower scores note quicker wear, but majority highlight strong tread life for summer driving.

June 09, 2022 (Verified Purchase)

4.3 out of 5 Star Rating
4.3 out of 5

...I constantly check tire pressures and this is my 3rd set of these tires. Each set has given 40 to 42,000 miles, which is great...

My van is used in HVAC service industry. Always has weight in it and I drive harder than average. I constantly check tire pressures and this is my 3rd set of these tires. Each set has given 40 to 42,000 reliable miles, which is great. Excellent tire and great value.

Vehicle: 2016 Mercedes-Benz Metris
Miles Driven on Tires: 30,000
Driving Conditions: Combined Highway/City
Location: LAFAYETTE, LA
Driving Style: Spirited
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March 28, 2025 (Verified Purchase)

4.7 out of 5 Star Rating
4.7 out of 5

...Tire have higher tread wear rating so expect longer life...

Great price compared to other high performance Summer tires. Replaced OEM Bridgestone S001 which were going on 8 years old but only 15000 miles. These have more visible tread so hoping wet performance will be better. Tire have higher tread wear rating so expect longer life. I went from 205 to 215 size with no rubbing issues (stock height car). Price was very competitive with the other tires I had on list of choices.

Shipped quickly to local Navarre Firestone installer. They had modern Hunter mounting equipment with no touch tire installation. Appointment was handled on time and was great.

Vehicle: 2016 Mazda MX-5 Miata Grand Touring
Miles Driven on Tires: 100
Driving Conditions: Mostly Highway
Location: MARY ESTHER, FL
Driving Style: Spirited
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Consumer Reviews

Media Gallery

Does Firestone Hit the Ultra High Performance Summer Mark? (07:33)

Firestone wants to hit the bull's eye with its new Firehawk Indy 500. The target is specific: an outstanding blend of dry and wet street traction and handling.

How accurate is Firestone's aim in the Ultra High Performance Summer category ripe with contenders including the BFGoodrich g-Force Sport COMP-2, Dunlop Direzza DZ102 and Kumho Ecsta PS31?

Read the Full Test Report

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