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  • KumhoEcsta PS31
  • KumhoEcsta PS31
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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
96%
1.3M
7.4 - Good
8.1 - Good
8.1 Hydroplaning Resistance
8.1 Wet Traction
8.5 - Good
8.5 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
8.4 - Good
8.4 Ride Quality
8.3 Noise
8.2 - Good

Nitto Ridge Grappler Reviews

User feedback reveals the Nitto Ridge Grappler excels in dry traction (9-10 ratings) and wet performance, with strong hydroplaning resistance. Winter traction shows split results: many praise snow capability, but ice performance draws mixed scores (3-10 range), suggesting variability in harsh conditions. Treadwear receives outstanding marks (9-10), appealing for rugged use. Ride comfort earns high praise, though some note moderate road noise. As a rugged all-terrain tire, it delivers robust on- and off-road performance where intended, with durability being a standout trait.

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Customers Like:

168 reviews mention "Wet Traction"

  • 136 positive
  • 32 negative

The Nitto Ridge Grappler earns excellent wet grip ratings, with most customers scoring 9s and 10s. While a few note variability in challenging conditions, its rugged all-terrain design delivers confident hydroplaning resistance and reliable wet traction for adventurous drivers.

105 reviews mention "Winter Traction"

  • 84 positive
  • 21 negative

Most customers rate snow and deep snow traction highly with scores 8-10, highlighting reliable grip. Ice traction shows more variability, with some ratings 5-8 indicating adequate performance in rugged all-terrain conditions.

January 17, 2026
(Verified Purchase)
5 out of 5 Star Rating
5 out of 5

...They look good very quiet on the highway and dig right in in the snow.

Great tires. I love them. They look good very quiet on the highway and dig right in in the snow.

Vehicle: 2018 Ford F150 4WD SuperCrew
Miles Driven on Tires: 5,000
Driving Conditions: Combined Off Road/Highway
Location: COLUMBIA, MO
Driving Style: Average

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October 02, 2025
(Verified Purchase)
4.7 out of 5 Star Rating
4.7 out of 5

These tires are great especially for winter driving

These tires are great especially for winter driving

Vehicle: 2024 Ford F350 4WD Single Rear Wheel Tremor Off-Road, 285/75-18
Miles Driven on Tires: 10,000
Driving Conditions: Combined Highway/City
Location: NEW VIRGINIA, IA
Driving Style: Spirited

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August 28, 2024
4.2 out of 5 Star Rating
4.2 out of 5

...Did really well in the northern california winter. Wet traction was great, powder snow was great but as the snow got deeper and into ice it got pretty bad. Even in 4wd my truck struggled to make headway...

Keep them rotated and the tread wear and life was amazing. Road noise is noticeable (as expected) but low. Did really well in the northern california winter. Wet traction was great, powder snow was great but as the snow got deeper and into ice it got pretty bad. Even in 4wd my truck struggled to make headway. Would love to buy another set but price is becoming higher than I want to put forth.

Note: my driving is mostly on tight winding mountian highways and gravel roads. This was not an option in the drop down so do with that info as you like.

Vehicle: 2005 Chevrolet Silverado 2500 HD 4wd Crew Cab
Miles Driven on Tires: 42,000
Driving Conditions: Combined Off Road/Highway
Location: FORTUNA, CA
Driving Style: Spirited

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184 reviews mention "Dry Traction"

  • 179 positive
  • 5 negative

Most customers rate dry traction highly with scores of 9-10, highlighting reliable grip and responsive handling in rugged conditions. A few scores between 7-8 still reflect solid performance.

185 reviews mention "Ride Quality"

  • 167 positive
  • 18 negative

Most customers rate ride comfort highly with scores of 9-10, noting smooth performance on rugged terrain. Noise levels also impress, with many scoring 8-10, excellent for aggressive all-terrain tires.

March 21, 2026
(Verified Purchase)
4.8 out of 5 Star Rating
4.8 out of 5

Very smooth riding, quiet and great traction...

Very smooth riding, quiet and great traction. Still look brand new after 2800 miles.

Vehicle: 2002 Ford F250 SupCrew 4wd XL
Miles Driven on Tires: 2,800
Driving Conditions: Combined Off Road/Highway
Location: NEWTON, IL
Driving Style: Average

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133 reviews mention "Treadwear"

  • 118 positive
  • 15 negative

Most customers rate treadwear as excellent with scores of 9-10, highlighting impressive durability in rugged conditions. While a few lower scores exist, the majority praise its long-lasting performance even under demanding off-road use.

March 04, 2026
(Verified Purchase)
4.7 out of 5 Star Rating
4.7 out of 5

...Got 80k miles out of my last set and def recommend

This is my second set of the ridge grapple. Got 80k miles out of my last set and def recommend

Vehicle: 2020 RAM 1500 4WD Crew Cab (6 Lug) 275/55-20
Miles Driven on Tires: 25,000
Driving Conditions: Combined Highway/City
Location: AMBLER, PA
Driving Style: Average

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June 07, 2025
(Verified Purchase)
4.2 out of 5 Star Rating
4.2 out of 5

Excellent tread wear. Replacing them now at 50,000 and still would pass safety inspection...

Excellent tread wear. Replacing them now at 50,000 and still would pass safety inspection. Tires are 7 years old and road noise has increased significantly since new. This is due to age of tire hardening and wear. Definitely the quietest road noise for this aggressive of a tire.

Vehicle: 2017 Chevrolet Colorado 4WD Crew Cab
Miles Driven on Tires: 50,000
Driving Conditions: Combined Highway/City
Location: CHESAPEAKE, VA
Driving Style: Average

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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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