Kumho IZen KW23 vs Fulda Kristall Montero 3
In the 4 independent tests that ran both tires, the Fulda Kristall Montero 3 finished ahead 4 times and the IZen KW23 not once.
Performance profile
Their shared tests recorded too few of the same measurements to chart, so the chart shows what owners rate each tire on every question.
Where owners rate each higher
IZen KW23
Kristall Montero 3
Point at or tap any spoke for both tires' figures.
Owners rate the IZen KW23 84% from 10 reviews and the Kristall Montero 3 85% from 32. Each spoke is one question owners answer out of 10; reviews are vetted by hand before publication.
Head to head in 4 tests, 2010 to 2011
Each row is one published test in which both tires ran on the same car, in the same size, on the same day. The line is the whole field, winner on the left.
| Test | IZen KW23 | Field | Kristall Montero 3 |
|---|---|---|---|
| 2011 European Winter Tire Test - 195/65 R15 | P12 of 14 | P9 of 14 | |
| 2010 Auto Bild Winter Tire Test | P11 of 12 | P10 of 12 | |
| 2010 European Winter Tire Test Part 2 | P10 of 12 | P4 of 12 | |
| 2010 Auto Zeitung Winter Tire Test | P10 of 13 | P8 of 13 |
IZen KW23 vs Kristall Montero 3: your questions
Is the Kumho IZen KW23 or the Fulda Kristall Montero 3 the better tire?
In the 4 independent tests that ran both tires, the Fulda Kristall Montero 3 finished ahead 4 times and the IZen KW23 not once. On the Tire Reviews Score, which weighs every test and review we hold, the IZen KW23 scores 7.6 and the Kristall Montero 3 7.1 out of 10.
Which is quieter and more comfortable?
Owners rate comfort 8.5/10 for the IZen KW23 and 8.9/10 for the Kristall Montero 3.
What do owners say?
Owners rate the IZen KW23 84% from 10 reviews and the Kristall Montero 3 85% from 32. 90% of IZen KW23 owners would buy it again, against 94% for the Kristall Montero 3.
Are they available in the same sizes?
The IZen KW23 is made in 2 sizes (13 to 15 inch) and the Kristall Montero 3 in 18 (13 to 16 inch). 0 sizes are available in both. On the EU label the IZen KW23 is graded D for wet grip and D for rolling resistance in most sizes; the Kristall Montero 3 C and D.
Which is the newer tire?
The Kristall Montero 3 is the newer design: it reached the market in 2021, the IZen KW23 in 2011.
More comparisons with these tires
Run either of these?
Your review is the part of this page no test can supply: how the tire wore, how it aged, what it was like in the rain in year three. It takes about five minutes.
Where this data comes from
Finishing positions and measurements are transcribed from each published test. A test only counts here when both tires ran in it, so every figure was recorded on the same car, size and day as the one it is compared to.
About the TR Score
The Tire Reviews Score rates each tire out of 10 from every independent test result and vetted owner review we hold, so two tires can be compared even before a test has run them together.
Who does the testing
Every test published as a Tire Reviews test is run by Jonathan Benson, who has been testing tires independently since 2007.

