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Home  >  255 / 40 20  >  Semperit Tyres  >  Semperit 255 / 40 20
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  Semperit    255/40  20     

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Atlas Green 3 4S
Atlas
Green 3 4S
255/40 R20 101W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 70 dB
just  118.16 £
available
Details
Superia EcoBlue 2 4S
Superia
EcoBlue 2 4S
255/40 R20 101W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 70 dB
just  118.98 £
available
Details
Superia Bluewin UHP 3
Superia
Bluewin UHP 3
255/40 R20 101V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 68 dB
just  119.25 £
available
Details
RoadX U11
RoadX
U11
255/40 R20 101Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  123.15 £
limited stock
Details
Superia Bluewin UHP 3
Superia
Bluewin UHP 3
255/40 R20 101V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 68 dB
just  123.69 £
available
Details
Tristar Sportpower2
Tristar
Tristar
Sportpower2
255/40 R20 101Y XL, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  124.11 £
available
Details
Radar Dimax R8+
Radar
Radar
Dimax R8+
255/40 R20 101Y XL EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  124.65 £
limited stock
Details
CST Saleks E.X1
CST
CST
Saleks E.X1
255/40 R20 101Y XL, with rim protectionleiste (FSL), EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  126.23 £
limited stock
Details
Minerva Avenue Pro
Minerva
Minerva
Avenue Pro
255/40 R20 101Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 72 dB
just  126.96 £
limited stock
Details
Gripmax SureGrip A/S
Gripmax
SureGrip A/S
255/40 R20 101W 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. Tyretest.com 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 504906
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
(3)

Reifentest.com

just  128.59 £
available
Details
Kustone Passion P9S
Kustone
Passion P9S
255/40 R20 101W XL run-flat

Tyre type

 Summer tyres
available
just  130.25 £
available
Details
Sailun Atrezzo 4Seasons Ultra
Sailun
Sailun
Atrezzo 4Seasons Ultra
255/40 R20 101W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  130.39 £
available
Details
Arivo Winmaster ARW 3
Arivo
Winmaster ARW 3
255/40 R20 101V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip D Noise emissions 70 dB
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 driven 45060
30.11.2023 from Patrick
Tyres are too soft. If you try to turn car feels like with flat tyre. Car wants to go sideways. I am really sad About this tyres and I will not recommend them to anyone who wants to live..
(2)

Reifentest.com

just  131.10 £
available
Details
Zeetex HP5000 Max
Zeetex
Zeetex
HP5000 Max
255/40 R20 101Y XL

Tyre type

 Summer tyres
available
just  131.30 £
available
Details
Tristar Snowpower UHP
Tristar
Tristar
Snowpower UHP
255/40 R20 101V XL, with rim protection (MFS)

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. Tyretest.com 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  131.92 £
available
Details
Petlas Velox Sport PT741
Petlas
Petlas
Velox Sport PT741
255/40 R20 101W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
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 driven 859097
07.12.2025 from Padraic Tierney
so after 14 months/25166 km of driving these tyres are down to 3 or 4mm on the front and 5.5 mm on the back. I've never had any need to brake hard in the wet but i have corned sharply at 90 km/hr using these tyres and they do hold the road well. I know i should rotate these but its hard to get time for everything. They are very good value but maybe a bit noisy on the road. I bought 4 together and at €120 each when you compare to michelin pilot sport is really great value for money. They are wearing fairly evenly too so overall the verdict is i would highly recommend these.
(2)

Reifentest.com

just  133.71 £
limited stock
Details
Fortuna Eco Plus 2 4S
Fortuna
Fortuna
Eco Plus 2 4S
255/40 R20 101W XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 70 dB
just  135.46 £
limited stock
Details
Minerva All Season Master
Minerva
Minerva
All Season Master
255/40 R20 101Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com 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 882935
15.09.2025 from Harry Up
Gute Reifen, siehe meine Sternebewertung. Warum ich hier schreibe, hat einen anderen Grund. Der Reifen hat EU Label B für Nässeeigenschaften, was bedeutet, dass der Reifen bei Nässe gut ist. Das trifft meiner Meinung nach zu, er ist gut. Gut ist besser als durchschnittlich und logischweise deutlich besser, als schlecht. Es gibt x Tests, die etwas anderes als das EU Label behaupten und sagen, er sei schlecht. Meine Bitte daher, wer auch immer zuständig ist: entweder das EU Label ist Unfug, oder die Tests. Beides passt bei diesen Reifen nicht zusammen. Vielleicht fallen sie auch sehr unterschiedlich aus oder passen zu manchen Autos gar nicht. Also nochmal mein persönliches Fazit: ich suchte günstige Reifen mit Berge Label, also offizielle Winterreifen, die bei Nässe gut sind. Meine Wahl fiel auf diese Reifen und sie war richtig. Ich kann die Reifen empfehlen.
02.01.2023 from Ion
I have already 12000 km with this tires and the feeling is very good, even drove with 130 on highway on light rain without any problems, drove on ice roads and it was ok. I gave 4 stars on the show grip because I did not test them yet on show... but overall are very good!
(3)

Reifentest.com

just  137.35 £
available
Details
Tristar All Season Power
Tristar
Tristar
All Season Power
255/40 R20 101Y XL

Tyre type

 All-season tyres
available
just  140.04 £
available
Details
Zmax WinterHawke I
Zmax
WinterHawke I
255/40 R20 101V XL

Tyre type

 Winter tyres
available
just  141.62 £
available
Details
Sonix Winter Xpro 888
Sonix
Winter Xpro 888
255/40 R20 101V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip D Noise emissions 70 dB
just  142.69 £
limited stock
Details
Triangle EffeXSport TH202
Triangle
Triangle
EffeXSport TH202
255/40 R20 101Y XL, with rim protection (MFS), EV Ready

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
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 driven 243796
26.02.2025 from Phillip Claridge
The car was supplied to me with brand new Triangle tyres - a brand I had not heard of and was not one I would have gone for but in the year that I have had them on the car, I have no complaint about their performance. I cannot say whether they would be the tyre of choice when replacement is necessary. t
(1)

Reifentest.com

just  147.75 £
limited stock
Details
Gripmax Suregrip Pro Winter
Gripmax
Suregrip Pro Winter
255/40 R20 101V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  147.77 £
available
Details
Barum Bravuris 6
Barum
Barum
Bravuris 6
255/40 R20 101Y XL EVc, with kerbing rib

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 72 dB
just  149.03 £
limited stock
Details
Barum Bravuris 5HM
Barum
Barum
Bravuris 5HM
255/40 R20 101Y XL EVc, with kerbing rib

Tyre type

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

More than 5 billion kilometers. Tyretest.com 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 3655315
(3)

Reifentest.com

just  153.99 £
limited stock
Details
Radar Dimax Winter
Radar
Radar
Dimax Winter
255/40 R20 101W XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  155.08 £
available
Details
GT Radial ClimateActive
GT Radial
GT Radial
ClimateActive
255/40 R20 101Y XL, with rim protection (MFS)

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  156.33 £
available
Details
CST Saleks E.X1
CST
CST
Saleks E.X1
255/40 R20 101Y XL, with rim protectionleiste (FSL), EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  156.65 £
available
Details
There are 28 of 229 tyres displayed
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