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Kumho Eco Solus KL21 vs Kumho Crugen Premium KL33

Kumho Eco Solus KL21 vs Crugen Premium KL33 [Test Data]

Here are the key stats for the Kumho Eco Solus KL21 and Kumho Crugen Premium KL33 tyres, at a glance.
Eco Solus KL21Crugen Premium KL33
Vehicle SuitabilityLight Truck / SUVLight Truck / SUV
Driving StyleCrossover/SUV Touring All-SeasonCrossover/SUV Touring All-Season
SeasonAll SeasonAll Season
Release Date20102015
Run Flat?NoNo
Overall Score65/10073/100

Pricing

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Kumho Eco Solus KL21 vs Kumho Crugen Premium KL33 in Australia

The Eco Solus KL21 has been around in Australia for about 14 years, whereas the Crugen Premium KL33 has been on the market for about 9 years

Both tyres are rated for crossover/suv touring all-season action. Both tyres are designed for use with 4WDs, SUVs and light trucks.

Both of these are considered all season tyres. Neither of them are runflat tyres. Both brands are considered to be in the mid-range part of the market.

Read on to see how each of these tyres stack up against each other!

How We Reviewed These Tyres

Unlike the Australian government, the European Union carries out standardised tests on all tyres sold in Europe. These tests are carried out in identical conditions, making them a reliable way to compare tyres.

For this review, we use averaged results from tests done on 49 sizes of these tyres by the European Union.

Fuel Efficiency

EU Grade
(A - E)
Compared to an A grade tyre?
Eco Solus KL21C0.2L/100km extra fuel consumption. ~$39 extra per year
Crugen Premium KL33D0.3L/100km extra fuel consumption. ~$66 extra per year

The US Department of Energy estimates that around 25% of the fuel consumption of a vehicle is attributable to the tyres. That's a lot, and it means that choosing fuel efficient tyres can save you quite a bit of money.

The Eco Solus KL21 tyres rank a C on a scale of A to E in the official fuel efficiency tests carried out by the EU (they call these rolling resistance tests).

The Crugen Premium KL33 tyres get a grade of D

Expect the lower grade tyre to consume an extra 0.1L/100km. This works out to $26 extra spent on petrol per year, based on a typical 12,000 km driven per year.

Here's a graph comparing the Eco Solus KL21 and Crugen Premium KL33 tyres for fuel efficiency (1 = Grade E, 5 = Grade A).

Grip & Handling

EU Grade
(A - E)
Compared to an A grade tyre?
Eco Solus KL21C5 metre greater stopping distance when braking at 80km/h
Crugen Premium KL33C5 metre greater stopping distance when braking at 80km/h

We'll now take a look at how these tyres compare in terms of grip and handling.

A good measure of this is 'wet grip', which is an indication of how well the tyres will allow the vehicle to come to a stop in wet conditions.

The Eco Solus KL21 tyres rank a C on a scale of A to E in the official fuel tests carried out by the EU.

The Crugen Premium KL33 tyres, on the other hand, get a grade of C.

As their wet grip grade is the same, expect negligible differences in terms of braking distance.

Here's a graph comparing the Eco Solus KL21 and Crugen Premium KL33 tyres for wet grip (1 = Grade E, 5 = Grade A).

Noise

EU Grade
(A - C)
Compared to an A grade tyre?
Eco Solus KL21B (71.2 dB)2 times as noisy
Crugen Premium KL33B (71.0 dB)2 times as noisy

Another key factor to consider when choosing a tyre is road noise. Once you're over about 40 km/h, the dominant source of noise you hear is from the contact of your tyres on the road.

There is a surprisingly wide variation in the amount of noise each tyre makes.

The Eco Solus KL21 tyres produce 71.2 dB of road noise, which corresponds to a rank of B on a scale of A to C in the standardised testing done by the EU.

On the other hand, the Crugen Premium KL33 tyres produce 71.0 dB of road noise, which means a grade of B.

As their noise grade is the same, don't expect many differences in terms of cabin noise.

Here's a visual representation of how the Eco Solus KL21 and Crugen Premium KL33 tyres stack up for noise (1 = Grade C, 3 = Grade A).

Comfort

Based on the results of a number of tyre benchmarks, the Eco Solus KL21 scores 4 out of 5 for comfort and the Crugen Premium KL33 scores 4 out of 5.

UTQG Data

Introduced by the National Highway Traffic Safety Administration (NHTSA) in the USA, the Uniform Tire Grading System (UTQG), is a system for comparing one tyre product to another on the basis of some standardised tests.

Eco Solus KL21Crugen Premium KL33
Treadwear500440
Traction
(AA - C)
AA
Temperature Resistance
(A - C)
AA

Treadwear

As per the UTQG guidelines, the Eco Solus KL21 tyres have a treadwear rating of 500, whereas the Crugen Premium KL33 tyres have a rating of 440. This means that the Eco Solus KL21 tyres will theoretically last 1.1 times as long as the Crugen Premium KL33 tyres.

Traction

The UTQG system measures traction as straight-line braking in dry conditions. The scale is AA, A, B, C, with AA being the best grade, and C the worst.

As per the UTQG system, the Eco Solus KL21 tyres have a traction grading of A, whereas the Crugen Premium KL33 tyres have a grading of A.

Temperature Resistance

The UTQG temperature resistance tests measure how well tyres can dissipate heat that builds up due to friction with the road. The scale is A, B, C, with A being the highest grade.

As per the UTQG system of tyre grading, the Eco Solus KL21 tyres have a temperature resistance grading of A, whereas the Crugen Premium KL33 tyres have a grading of A (on a scale of A, B, C).

Warranty

Unfortunately, we don't have any warranty information available for either of these tyres.

Comparisons With Similar Tyres

Still on the fence about these tyres? Check out how they compare to other similar tyres on the market in Australia!

Summary

Let's now take a look at the main differences between these two sets of tyres.

All in all, the Eco Solus KL21 tyres get a score of 65 out of 100, while the Crugen Premium KL33 tyres get a score of 73 out of 100.

For fuel efficiency, Eco Solus KL21 score a grade of C, which is more or less average. Crugen Premium KL33 end up with a grade of D, which is below average.

More important is the wet grip, which gives you an indication of their traction and handling. In this regard, Eco Solus KL21 get a score of C, which is more or less average. Crugen Premium KL33 end up with a grade of C, which is more or less average.

More important is the wet grip, which gives you an indication of their traction and handling. In this regard, Eco Solus KL21 get a score of B, which is about typical. Crugen Premium KL33 end up with a grade of B, which is about typical.

The Eco Solus KL21 tyres have a UTQG treadwear rating of 500, whereas the Crugen Premium KL33 tyres have a rating of 440.This means that you can expect the Eco Solus KL21 to last 1.1 times as long as the Crugen Premium KL33 tyres.

The Eco Solus KL21 have a UTQG traction grading of A, while the Crugen Premium KL33 tyres having a grading of A.

The Eco Solus KL21 have a UTQG temperature grading of A, while the Crugen Premium KL33 tyres having a grading of A.

Full Size List (click to show)

Below is a list of all 22 sizes of the Eco Solus KL21, and all 49 sizes of the Crugen Premium KL33 tyres sold in Australia, sorted by tyre width.

Eco Solus KL21 Sizes

Size
215/65 R16 98H
215/70 R16 100H
215/60 R17 96H
225/65 R17 106H XL
225/55 R18 98H
225/65 R17 102H
225/60 R17 99H
235/60 R18 102H
235/55 R18 100H
235/65 R17 104T
235/65 R17
235/55 R18 104V
235/60 R18 103H
235/65 R16 103T
235/65 R17 103T
235/50 R19 99H
245/60 R18 105H
245/65 R17 107H
245/65 R18 110H XL
255/60 R17 106V
265/60 R18 110H
265/50 R20 107V

Crugen Premium KL33 Sizes

Size
205/70 R15 96T
215/70 R16 100H
215/65 R16 98V
215/60 R17 100V XL
215/55 R18 99V XL
215/65 R16 98H
225/55 R18 98H
225/70 R16 103H
225/60 R18 104V XL
225/55 R18 98V
225/65 R17 102V
225/55 R19 99H
225/60 R17 99V
225/60 R17 99H
225/55 R19 99V
235/70 R16 109H
235/65 R17 104H
235/60 R18 103H
235/65 R18 110V XL
235/60 R16 100V
235/70 R16 109H
235/55 R17 103V XL
235/55 R19 101H
235/65 R17 104V
235/55 R18 104V XL
235/60 R18 107V XL
235/60 R17 102V
235/70 R17 107H
245/60 R18 105T
245/65 R17 107V
245/55 R19 103H
245/60 R18 105V
245/50 R20 102V
245/45 R19 98H
255/60 R18 108H
255/55 R19 111V XL
255/50 R19 107V XL
255/50 R20 105H
255/60 R19 108H
255/45 R20 105V XL
255/55 R18 109V XL
265/50 R20 111V XL
265/50 R19 110V XL
265/60 R18 110V
265/60 R18 110H
275/55 R19 111V
275/60 R20 119H XL
275/65 R18 114T
285/45 R22 110H
Louis from Tyre Geek

Louis

I'm Louis, an engineer passionate about helping Australians choose better tyres for their vehicles!