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Home  >  255 / 55 18  >  RoadX  >  RoadX 255 / 55 18
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  RoadX   255/55  18     

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Petlas Explero PT431 H/T
Petlas
Petlas
Explero PT431 H/T
255/55 R18 109V XL

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 71dB
just  137.35 £
limited stock
Details
Hankook Ventus evo K137A
Hankook
Hankook
Ventus evo K137A
255/55 ZR18 109Y XL 4PR, SUV SBL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  137.50 £
limited stock
Details
Crosswind Sport Peak
Crosswind
Sport Peak
255/55 R18 109Y XL

Tyre type

 Summer tyres
limited stock
just  137.71 £
limited stock
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/55 R18 105V , SUV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 72dB
just  138.32 £
available
Details
AUSTONE SP401
AUSTONE
SP401
255/55 R18 109W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 73dB
just  138.38 £
available
Details
Hankook Kinergy 4S² X H750A
Hankook
Hankook
Kinergy 4S² X H750A
255/55 R18 109V XL 4PR SBL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 73dB
just  138.57 £
available
Details
Westlake SU318 H/T
Westlake
Westlake
SU318 H/T
255/55 R18 109V XL

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  138.58 £
limited stock
Details
Starmaxx Incurro H/T ST450
Starmaxx
Starmaxx
Incurro H/T ST450
255/55 R18 109V XL

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 71dB
just  138.95 £
limited stock
Details
Hankook Ventus S1 Evo 3 K127A
Hankook
Hankook
Ventus S1 Evo 3 K127A
255/55 R18 109W XL 4PR *, SUV SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip ANoise emissions 68dB
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 driven171536
03.09.2025fromRuss
The Tyres give good grip and little noise. They grip Well in the dry and seem ok in wet
(1)

Reifentest.com

just  139.52 £
available
Details
General GRABBER A/S 365
General
General
GRABBER A/S 365
255/55 R18 109V XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 73dB
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 driven500
(1)

Reifentest.com

just  139.61 £
available
Details
Roadcruza RA1100
Roadcruza
RA1100
255/55 R18 109H XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip DNoise emissions 73dB
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 driven419848
21.05.2024fromScott
Worse tyre ive had in the wet, very dangerous round round abouts and after 40,000km there nearly worn out
(1)

Reifentest.com

just  140.05 £
available
Details
Giti Sport S2 SUV
Giti
Sport S2 SUV
255/55 R18 109Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 69dB
just  140.36 £
limited stock
Details
Toyo Open Country A/T Plus
Toyo
Toyo
Open Country A/T Plus
255/55 R18 109H XL

Tyre type

A/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip DNoise emissions 71dB
just  141.32 £
limited stock
Details
Falken EUROALL SEASON AS210
Falken
Falken
EUROALL SEASON AS210
255/55 R18 109V XL BLK

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
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.

(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 driven1701621
07.08.2019fromlornel
a very comfortable drive whatever weather and very good when braking and cornering hold the road very well at high speed when driving on the motorway ( highway )
(2)

Reifentest.com

just  141.39 £
limited stock
Details
Tourador Winter Pro TSS1
Tourador
Winter Pro TSS1
255/55 R18 109T RF

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 73dB
just  141.47 £
available
Details
Bridgestone Turanza All season 6
Bridgestone
Bridgestone
Turanza All season 6
255/55 R18 109V XL, Enliten / EV

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
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 driven410904
06.09.2025fromZoran
I have front set of 2 tires 1 year and around 20000km old, and rear set 6 months and around 10000km. Tyres are excellent for my car on dry and wet. There&#39;s not much snow in this part of England, but was some WET snow last winter and tyres were good on start and in curves but on braking just slide (wet snow i suppose). I have been on the road trip this summer 5000km+, and tyres aren&#39;t worn at all. Good grip in curves on motorway at high speed (up to 180 km/h) on dry and wet.
(4)

Reifentest.com

just  141.59 £
available
Details
Yokohama Geolandar A/T (G015)
Yokohama
Yokohama
Geolandar A/T (G015)
255/55 R18 109H XL

Tyre type

A/T Reifen

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance EWet grip CNoise emissions 72dB
just  141.83 £
available
Details
Dunlop Sport Response
Dunlop
Dunlop
Sport Response
255/55 R18 109V XL BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 70dB
just  141.85 £
available
Details
Comforser CF1100
Comforser
CF1100
255/55 R18 109H XL

Tyre type

A/T Reifen

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip DNoise emissions 73dB
just  141.86 £
available
Details
Vredestein Wintrac Pro+
Vredestein
Vredestein
Wintrac Pro+
255/55 R18 109V XL, EVc

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  142.45 £
limited stock
Details
Laufenn S Fit 2 LK12A
Laufenn
S Fit 2 LK12A
255/55 ZR18 109Y XL 4PR, SUV SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 73dB
just  142.58 £
available
Details
Marshal Crugen HP91
Marshal
Marshal
Crugen HP91
255/55 ZR18 109W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  142.59 £
limited stock
Details
Bridgestone Dueler All Terrain A/T002
Bridgestone
Bridgestone
Dueler All Terrain A/T002
255/55 R18 109H XL, EVc

Tyre type

A/T Reifen

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
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.

(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 driven37998
21.07.2024fromJHock
Having fitted these to the front, I could only hear the rear tyres when driving, and there was no change in the mpg. I live in North Devon, so more roads have potholes, but I also drive on country roads too Love the tyres, and have off roaded with them too, and they did a great job I recently drove to Cardiff too, and the tyres did not feel any different to other road tyres As long as the price does not go stupid, I will buy these again - shame they do not do them in 175/70R14C so I could put on my van
(2)

Reifentest.com

just  142.71 £
limited stock
Details
Michelin Latitude Sport 3
Michelin
Michelin
Latitude Sport 3
255/55 R18 109V XL *, EV Suitable

Tyre type

H/T Reifen

 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. <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 driven1442994
30.05.2021fromIvo M
Great tyres probably the best for my SUV.,I have Michelin tyres in my other car just model is different pilot sport 4s these are amazing tyres second to none! When you purchase Michelin most drivers expect best performance and no compromise!
(1)

Reifentest.com

just  142.80 £
limited stock
Details
Taurus Summer3 SUV
Taurus
Taurus
Summer3 SUV
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 73dB
just  143.07 £
available
Details
Ziarelli Cruiser
Ziarelli
Cruiser
255/55 R18 109H runderneuert

Tyre type

 All-season tyres
limited stock
just  143.30 £
limited stock
Details
Evergreen EW66
Evergreen
Evergreen
EW66
255/55 R18 109H XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  143.63 £
limited stock
Details
Kleber Dynaxer HP 5 SUV
Kleber
Kleber
Dynaxer HP 5 SUV
255/55 R18 109H XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 73dB
just  143.86 £
limited stock
Details
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