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Home  >  255 / 40 21  >  Nokian  >  Nokian 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.
 

Our offer for  Nokian    255/40  21     

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Prices include VAT and delivery within Ireland

Nokian Powerproof 2
Nokian
Nokian
Powerproof 2
255/40 R21 102Y XL Aramid Sidewalls, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  231.19 £
limited stock
Details
New
Nokian Snowproof 3P
Nokian
Nokian
Snowproof 3P
255/40 R21 102V XL Aramid Sidewalls, with rim protection (MFS)

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  235.62 £
limited stock
Details
Nokian Powerproof 2
Nokian
Nokian
Powerproof 2
255/40 R21 102Y XL Aramid Sidewalls, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  264.11 £
limited stock
Details
Nokian Snowproof 2 SUV
Nokian
Nokian
Snowproof 2 SUV
255/40 R21 102V XL Aramid Sidewalls, with rim protection (MFS)

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  267.33 £
limited stock
Details
New
Nokian Snowproof 3P
Nokian
Nokian
Snowproof 3P
255/40 R21 102V XL Aramid Sidewalls, with rim protection (MFS)

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  304.51 £
available
Details
Nokian Hakka Black 3
Nokian
Nokian
Hakka Black 3
255/40 R21 102W XL, SUV, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 70 dB
just  357.30 £
available
Details
Show all the tyres in the selected size
Tracmax X Privilo RS01
Tracmax
X Privilo RS01
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
just  96.85 £
available
Details
Pace ALVENTI
Pace
Pace
ALVENTI
255/40 R21 102Y

Tyre type

 Summer tyres
available
just  104.12 £
available
Details
Radar Dimax R8+
Radar
Radar
Dimax R8+
255/40 R21 102Y XL EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  105.74 £
available
Details
Accelera Iota ST-68
Accelera
Accelera
Iota ST-68
255/40 R21 102W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 68 dB
just  105.94 £
available
Details
Minerva MV714
Minerva
Minerva
MV714
255/40 R21 102Y XL

Tyre type

 Summer tyres
limited stock
just  108.61 £
limited stock
Details
Triangle Sportex TH201
Triangle
Triangle
Sportex TH201
255/40 R21 102Y XL, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(3)
Average based on 3 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 driven 239225
03.05.2023 from Mr Shane Harris
I had always purchased branded tyres for my cars, particlulary cars that are quick/nippy. I was recommended these tyres by fellow users on Audi forums etc and I must say that these have been brilliant. Road noise is quite, grip is really good both wet and dry and they are wearing pretty well. For a fraction of the cost of premium tyres that were supplied i will defiantley be buying these again in the future.
21.03.2023 from Oskars
Bad handling on wet roads
(3)

Reifentest.com

just  120.53 £
limited stock
Details
Road Rider Strada SUV
Road Rider
Strada SUV
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  120.67 £
available
Details
Leao Nova Force C/S
Leao
Leao
Nova Force C/S
255/40 R21 102W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  122.31 £
limited stock
Details
RoadX SU01
RoadX
SU01
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  125.52 £
available
Details
Dynamo Street-H Pursuit SUV
Dynamo
Street-H Pursuit SUV
255/40 R21 102Y XL, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 71 dB
just  127.02 £
limited stock
Details
RoadX RXQuest Sport SUV
RoadX
RXQuest Sport SUV
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 71 dB
just  128.77 £
available
Details
RoadX SU01
RoadX
SU01
255/40 R21 102Y XL

Tyre type

 Summer tyres
limited stock
just  137.00 £
limited stock
Details
Admiral GRB009
Admiral
GRB009
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  137.45 £
available
Details
Minerva Frostrack UHP
Minerva
Minerva
Frostrack UHP
255/40 R21 102V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> 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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 33000
(1)

Reifentest.com

just  143.90 £
available
Details
AUSTONE Athena SP-303
AUSTONE
Athena SP-303
255/40 R21 102Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  144.59 £
limited stock
Details
Tristar Snowpower UHP
Tristar
Tristar
Snowpower UHP
255/40 R21 102V XL

Tyre type

 Winter tyres
available
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(4)
Average based on 4 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 driven 1167530
(4)

Reifentest.com

just  144.60 £
available
Details
GT Radial TouringActive
GT Radial
GT Radial
TouringActive
255/40 R21 102Y XL, with rim protection (MFS), EV Ready

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  152.30 £
available
Details
Crosswind Grip Peak Winter
Crosswind
Grip Peak Winter
255/40 R21 102V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 73 dB
just  161.48 £
available
Details
Gripmax SureGrip A/S
Gripmax
SureGrip A/S
255/40 R21 102W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(4)
Average based on 4 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 driven 504894
02.10.2026 from Sue Johnson
Only complaint is I got a black thorn in the side wall within a couple of weeks of them being on the car. Definitely no off road use!!! Tyre not mendable ! Had to buy another. Complained to company but they didn&rsquo;t refund Very quiet tyres, really pleased with them otherwise
19.11.2021 from Ian Burton-Palmer
These tyres work really well in the wet or the dry road conditions. I also think that they are quite quiet compared the previous set of tyres I had on this vehicle. All round these are a great choice.
02.06.2021 from John Williams
A decent budget priced winter tyre. Very impressed with the grip quality in snow
(4)

Reifentest.com

just  163.24 £
available
Details
Kumho Ecsta Sport S PS72
Kumho
Kumho
Ecsta Sport S PS72
255/40 R21 105Y XL, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  184.14 £
available
Details
General Grabber GT Plus
General
General
Grabber GT Plus
255/40 R21 102Y XL EVc, with kerbing rib

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  192.93 £
limited stock
Details
Kumho WinterCraft WS71 SUV
Kumho
Kumho
WinterCraft WS71 SUV
255/40 R21 102W XL, with rim protectionleiste (FSL)

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  187.78 £
available
Details
There are 28 of 102 tyres displayed
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Prices include VAT and delivery within mainland UK (excl. Scottish Highlands).

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