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Kumho Ecsta STX KL12

High Performance Summer

The Kumho Ecsta STX KL12 is a High Performance Summer tyre designed to be fitted to SUV and 4x4s.

The quick answer

Owners say 65% from 3 owner reviews Read the reviews
Tests say Sorry, we don't currently have any test data for the Kumho Ecsta STX KL12

Built from every independent test result and vetted owner review we hold for this tyre - the evidence is all further down the page. Data updated January 2012.

  • 3owner reviews
  • 28,000miles driven
Kumho Ecsta STX KL12 1 photos
All Tests

Sorry, we don't currently have any magazine tyre tests for the Kumho Ecsta STX KL12

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Dimensions & Label Scores
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Size Range13 sizes available

255-305Width35-70Profile15-22Rim

US ratingsUTQG grade and the maker's mileage warranty

420UTQG treadwearATractionATemperature11-11.5/32"Tread depth (new)NoneMileage warranty

Popular sizes255/45 R18235/70 R16235/60 R18
Frequently Asked Questions
What treadwear rating and mileage warranty does the Kumho Ecsta STX KL12 have?
In the US, the Kumho Ecsta STX KL12 carries a UTQG treadwear grade of 420, with traction A and temperature A. UTQG treadwear is relative: a tyre graded 400 lasted four times as long as the reference tyre, graded 100, on the government test course. Kumho gives it no mileage warranty. New tread depth is 11-11.5/32" (8.7-9.1 mm), depending on size.
Owner Questions
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Kumho Ecsta STX KL12 Owner Reviews

Review this tyre

What owners say

Across 3 owner ratings the Kumho Ecsta STX KL12 averages 65%. Owners rate Comfort highest at 8 out of 10 and Wet Grip lowest at 4.7. 1 of those reviews come from owners past 10,000 miles.

Owner ratings averaged from 3 ratings

  • Owner score 65%
  • Comfort 80%
  • Dry Grip 70%
  • Wear 70%
  • Road Feedback 63%
  • Handling 60%
  • Wet Grip 47%

All 3 Kumho Ecsta STX KL12 reviews

Score spread across 3 written reviews
75%
Member
Not had these long but already they are much better than the Conties that they have replaced. From new the grip has improved on the Conties.
This owner's scores
  • Dry Grip 8
  • Wet Grip 7
  • Road Feedback 7
  • Handling 6
  • Comfort 8
  • Buy again 9
Helpful 592
80%
Member
Third set over 30000 miles driven hard but pattern has now changed from old kl 12 original?? but what i`ve driven on has been very good
This owner's scores
  • Dry Grip 8
  • Wet Grip 6
  • Road Feedback 8
  • Handling 8
  • Wear 9
  • Comfort 8
  • Buy again 9
Helpful 577
40%
Member
fitted these to a bmw x3 they are absolutely rubbish the rear has slid away numerous times i am lucky to have the front wheels kicking in to recover the slide so its back to the tried and tested dunlop sp1
This owner's scores
  • Dry Grip 5
  • Wet Grip 1
  • Road Feedback 4
  • Handling 4
  • Wear 5
  • Comfort 8
  • Buy again 1
Helpful 520

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