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Home  >  255 / 35 21  >  Kumho  >  Kumho 255 / 35 21
Identify the size of your tyre
The exact dimensions of a tyre can be found on the sidewall printed mark. The graphic shows how to read properties and dimensions of the tyre:
 
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SPEED INDEX:
The speed index indicates the maximum speed intended for the tyre. Up to this value, the manufacturer guarantees optimum operation with the appropriate tyre pressure. The maximum speed allowed for this vehicle is given in the vehicle owner's manual; this information can be used to select the appropriate speed index for the tyre. The speed index is the last mark on the sidewall of the tyre.
 
Load Index
Permissible maximum axle load per tyre in kg. To be found in the registration certificate or vehicle registration document or read directly from the tyre (two-digit number). It is permitted to fit a tyre with a higher load index.
 
Driving safety despite puncture
Runflat tyres are puncture-resistant tyres with reinforced sidewalls. This creates the so-called run-flat property. In the event of damage, this allows the vehicle to continue driving up to a distance of approx. 100 km (and even beyond depending on the product) at a maximum speed of 80 km/h, even if the pressure has been completely lost. Run-flat tyres even prevent the tyre rubber from jumping off the rim in the event of a loss of air pressure. A flat tyre is therefore still a flat tyre, but it loses some of its drama. Note: All run-flat tyres are marked with the symbol "RSC" (Runflat System Component) and may only be fitted in vehicles with a functioning air pressure control system!
 
Tyres with increased load capacity
Reinforced tyres are designed for higher loads than normal tyres. They can be identified by the designation 'RF' (reinforced) or also 'XL' or 'Extra Load'. They are used on vans, minibuses, off-road vehicles, etc. However, their mounting alone does not automatically result in higher load capacity but also requires a correspondingly higher air pressure. Furthermore, the load capacity index specified in the vehicle documents continues to apply.
 
Tyres with extra high load capacity
The "C" in the term C tyres stands for "commercial". These tyres are specially designed for commercial vehicles. These can be, for example, lighter trucks, delivery vans, flatbed trucks or panel vans. In other words: vehicles that have to move higher loads at a comparatively lower speed. The multi-ply reinforced C tyres are therefore even more load-bearing than reinforced tyres.
 
Mobility-optimised tyres
A tyre with a sealing layer on the opposite side of the tyre tread. In the event of a puncture (e.g. by a nail), this layer blocks any loss of air, even if the foreign body causing the puncture is still in the tyre. It is not necessary to stop or change the tyres immediately at the roadside.
 
Mobility-optimised tyres
A tyre with a sealing layer on the opposite side of the tyre tread. In the event of a puncture (e.g. by a nail), this layer blocks any loss of air, even if the foreign body causing the puncture is still in the tyre. It is not necessary to stop or change the tyres immediately at the roadside.
 
Tyres optimised for electric vehicles.
Tyre developed for electric vehicles. These tyres can also be used without hesitation on vehicles with other drive systems.
 

Our offer for  Kumho   255/35  21     

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Nokian Hakka Black 3
Nokian
Nokian
Hakka Black 3
255/35 R21 98Y XL SilentDrive

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 70dB
just  343.11 £
available
Details
Falken EUROWINTER HS01
Falken
Falken
EUROWINTER HS01
255/35 R21 98W XL BLK

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 70dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(17)
Average based on 17 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven7284620
17.04.2024fromWilliam Crabtree
Good, safety matters
07.03.2024fromWill Hills
Everything about the tyres is excellent.
15.11.2022fromGlenn Briden
This is a SNOW tire I don't plan on doing track days with it.. NO it is not as good as my Summer tires in the Dry or Wet it is not made for this it's a SNOW tire give it some slush, Snow, Mild Ice and they are Great. Yup they make some noise thats expected. The trade off I think is fair though they have put a pretty good dent in my fuel milage guess that is the price you have to pay for safety.
06.07.2022fromwouldnotbuyfrom mytyres again
To be honest I have not had a chance to use these tyres because mytyres.co.uk took about two months to delver them to my home in the UK so I had to buy some other tyres from my local garage for my MOT. The tyres look fine to me but they are still sat in their packaging unused. mytyres.co.uk however wasted my time and money with multiple phone calls to couriers, their office, and a lot of misinformation and incorrect details from them about what was going on, so I won't be using them again. I was actually shocked at how bad their service was.
(17)

Reifentest.com

just  350.64 £
limited stock
Details
Michelin X-Ice Snow
Michelin
Michelin
X-Ice Snow
255/35 R21 98H XL, EV Suitable Nordic Compound

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ENoise emissions 71dB
just  356.19 £
limited stock
Details
Continental SportContact 6
Continental
Continental
SportContact 6
255/35 R21 98Y XL ContiSilent AO1, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(2)
Average based on 2 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven1294578
16.12.2023fromClaudiu
The experience was not that bad with this tyres except the fact that i should change them after 30-35 000 km. They are not that quiet it should be, the consumption of the car was lower than the competion but the tyre wear is not ok.
(2)

Reifentest.com

just  360.53 £
limited stock
Details
Vredestein Wintrac Pro
Vredestein
Vredestein
Wintrac Pro
255/35 R21 98Y XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(16)
Average based on 16 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven1053057
13.12.2025fromMsh
I have used vredestein snow tyres for 35 years they are amazing now I don’t change them and use them all the time they last about 30000miles
09.11.2025fromTony Jenkins
I drive across Europe on many different roads. I’ve used this tyre on several different cars. It’s excellent
04.05.2025fromTim Morgan
So much more secure in all adverse driving conditions heavy rain slush and packed snow in north of Scotland. Superior in all aspects compared with OE tyre but must always have steering assistance with these new minis disabled
13.09.2024fromPhilip Purvis
These tyres are a long lasting winter tyre which I keep on the car all year, so far I haven't driven on snow with them but have been on the car all summer, normally a time when winter tyres wear more.
(16)

Reifentest.com

just  362.10 £
limited stock
Details
Michelin X-Ice North 4
Michelin
Michelin
X-Ice North 4
255/35 R21 98H XL, EV Suitable studded

Tyre type

 Winter tyres
limited stock
just  388.76 £
limited stock
Details
Nokian Hakkapeliitta R5 EV
Nokian
Nokian
Hakkapeliitta R5 EV
255/35 R21 98T XL SilentDrive, EV Nordic Compound

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip DNoise emissions 71dB
just  400.44 £
available
Details
Nokian Hakkapeliitta 10 EV
Nokian
Nokian
Hakkapeliitta 10 EV
255/35 R21 98T XL SilentDrive, EV studded

Tyre type

 Winter tyres
available
just  506.89 £
available
Details
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