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Home  >  255 / 40 21  >  Pirelli Tyres  >  Pirelli 255 / 40 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.
 
x
Original equipment quality: optimum adjustment to the vehicle
Tyres with a special OEM marking on the sidewall, e.g. "MO" for Mercedes-Benz, were developed in cooperation with a specific car manufacturer and the tyre industry. These tyres have been homologated by the vehicle manufacturer and are a perfect match for a specific model. They have been specially designed to highlight or further improve the performance characteristics of the car in question, thus representing the culmination of a state-of-the-art fine-tuning process that perfectly complements the latest technological developments in the automotive industry. Tyres with manufacturer's markings can of course also be used on other vehicles.
 

Our offer for  Pirelli   255/40  21     

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Nokian Powerproof 2
Nokian
Nokian
Powerproof 2
255/40 R21 102Y XL SilentDrive Aramid Sidewalls

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  267.74 £
limited stock
Details
Michelin Pilot Sport 4 SUV
Michelin
Michelin
Pilot Sport 4 SUV
255/40 R21 102Y XL, EV Suitable

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise 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.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven373000
15.09.2024fromTimbo
Vast improvement in all areas compared to the Dunlops that came off. Particularly comfort and noise are extremely good! Fuel consumption is better, and they're a good looking tyre also! :-)
(1)

Reifentest.com

just  282.21 £
limited stock
Details
Michelin Pilot Sport EV
Michelin
Michelin
Pilot Sport EV
255/40 R21 102Y XL Acoustic POL, EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 71dB
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 driven73200
30.01.2025fromJoel
This tyre is unpredictable . Not a Pilot Sport standard. Skids in dry road. This tyre compares with budget tyre. Would not by again.
(2)

Reifentest.com

just  288.19 £
limited stock
Details
Michelin Pilot Alpin 5
Michelin
Michelin
Pilot Alpin 5
255/40 R21 102V XL, EV Suitable, SUV

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 71dB
just  290.01 £
available
Details
New
Hankook iON evo (IK01A)
Hankook
Hankook
iON evo (IK01A)
255/40 R21 102Y XL 4PR *, EV, SUV SBL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip BNoise emissions 70dB
just  295.20 £
limited stock
Details
Hankook iON i*cept (IW01A)
Hankook
Hankook
iON i*cept (IW01A)
255/40 R21 102H XL 4PR *, EV, SUV SBL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  297.57 £
limited stock
Details
Michelin Pilot Sport 4 SUV
Michelin
Michelin
Pilot Sport 4 SUV
255/40 R21 102Y XL GOE, EV Suitable

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet 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.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven373000
15.09.2024fromTimbo
Vast improvement in all areas compared to the Dunlops that came off. Particularly comfort and noise are extremely good! Fuel consumption is better, and they're a good looking tyre also! :-)
(1)

Reifentest.com

just  299.23 £
limited stock
Details
Michelin Pilot Sport 4 SUV
Michelin
Michelin
Pilot Sport 4 SUV
255/40 R21 102Y XL Acoustic AO, EV Suitable

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 71dB
Client reviews rating:
Client reviews rating

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

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven373000
15.09.2024fromTimbo
Vast improvement in all areas compared to the Dunlops that came off. Particularly comfort and noise are extremely good! Fuel consumption is better, and they're a good looking tyre also! :-)
(1)

Reifentest.com

just  330.73 £
limited stock
Details
Nokian Hakka Black 3
Nokian
Nokian
Hakka Black 3
255/40 R21 102W XL, SUV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  331.34 £
available
Details
Michelin Pilot Sport 4 SUV
Michelin
Michelin
Pilot Sport 4 SUV
255/40 R21 102Y XL Acoustic AO1, EV Suitable

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise 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.

(1)
Average based on 1 test results  N/A
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven373000
15.09.2024fromTimbo
Vast improvement in all areas compared to the Dunlops that came off. Particularly comfort and noise are extremely good! Fuel consumption is better, and they're a good looking tyre also! :-)
(1)

Reifentest.com

just  337.21 £
limited stock
Details
Bridgestone Alenza 001
Bridgestone
Bridgestone
Alenza 001
255/40 R21 102Y XL B-Silent R0, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet 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.

(29)
Average based on 29 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 driven7075710
01.11.2020fromStewart Blake LEISHMAN
This is the second set of the same tyres, and yes they hold the road well. When you have 20 something inch of rubber on the road they can really hold there own. The Which magazine holds Bridgestone to high esteem.
13.10.2020fromBowber
Great tyres, good grip especially in wet, feel safe! Noise isn’t too crazy, hopefully get some decent mileage out of them
11.07.2020fromPat
Much better in the wet than Dunlop tyres that were on the car.
24.03.2020fromSmiffy
OEM tyre for car. Provide amazing grip in a 4 wheel drive lightweight sports car. Cornering at speed is amazing, braking too.
(29)

Reifentest.com

just  337.48 £
available
Details
Hankook iON i*cept (IW01A)
Hankook
Hankook
iON i*cept (IW01A)
255/40 R21 102V XL SoundAbsorber, EV, SUV

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 70dB
just  397.40 £
limited stock
Details
Nokian Hakkapeliitta R5 EV
Nokian
Nokian
Hakkapeliitta R5 EV
255/40 R21 102T XL SilentDrive, EV Nordic Compound

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip DNoise emissions 71dB
just  401.33 £
available
Details
Vredestein Wintrac Pro
Vredestein
Vredestein
Wintrac Pro
255/40 R21 102V 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  652.17 £
limited stock
Details
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