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Home  >  255 / 40 18  >  Otani Tyres  >  Otani 255 / 40 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  Otani   255/40  18     

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Nankang Sportnex AS-3
Nankang
Nankang
Sportnex AS-3
255/40 ZR18 99Y XL, [EV+]

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  60.12 £
available
Details
Tracmax X Privilo TX3
Tracmax
X Privilo TX3
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 69dB
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
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Fuel consumption
Kilometers driven832761
(1)

Reifentest.com

just  61.70 £
available
Details
Landspider Sportraxx UHP
Landspider
Sportraxx UHP
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 73dB
just  75.43 £
available
Details
Roadcruza RA 710
Roadcruza
RA 710
255/40 ZR18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 70dB
just  82.31 £
available
Details
Radar Dimax R8+
Radar
Radar
Dimax R8+
255/40 ZR18 99Y XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 73dB
just  83.26 £
limited stock
Details
Tracmax Trac Saver
Tracmax
Trac Saver
255/40 ZR18 99Y XL

Tyre type

 All-season tyres
available
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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven930780
10.04.2025fromIvan
This is a worst tyre i ever drive! On the wet road is very dangerious!
(1)

Reifentest.com

just  85.23 £
available
Details
Zmax Zealion
Zmax
Zealion
255/40 ZR18 99W XL

Tyre type

 Summer tyres
limited stock
just  85.36 £
limited stock
Details
Zeetex HP6000 Eco
Zeetex
Zeetex
HP6000 Eco
255/40 ZR18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 73dB
just  87.32 £
available
Details
Sailun Atrezzo ZSR2
Sailun
Sailun
Atrezzo ZSR2
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 69dB
just  88.27 £
available
Details
Sunny NA305
Sunny
Sunny
NA305
255/40 ZR18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise 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 driven303478
15.12.2019fromMichael McCormack
I purchased the tyres from eyretyres.com and when they arrived they were deformed, totally unusable from a safety aspect. That was over a month ago and i have not received a refund or replacement. Eyretyres are blaming the manufacturer
(2)

Reifentest.com

just  88.74 £
available
Details
Envoy Motiva UHP
Envoy
Motiva UHP
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  89.21 £
available
Details
Transmate Sport D1
Transmate
Sport D1
255/40 ZR18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 71dB
just  90.24 £
available
Details
Windforce Catchfors UHP PRO
Windforce
Catchfors UHP PRO
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  90.69 £
limited stock
Details
RoadX RXMotion DU71
RoadX
RXMotion DU71
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 71dB
just  90.74 £
available
Details
APlus Aerix RS01
APlus
Aerix RS01
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  90.91 £
available
Details
Lanvigator Catch Power Plus
Lanvigator
Catch Power Plus
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  91.25 £
available
Details
Royal Black Royal Power
Royal Black
Royal Power
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  91.42 £
limited stock
Details
APlus A610
APlus
A610
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  91.44 £
limited stock
Details
Transmate Sport D1
Transmate
Sport D1
255/40 ZR18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  92.82 £
available
Details
Transmate Transeason 4S
Transmate
Transeason 4S
255/40 ZR18 95Y

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  94.11 £
limited stock
Details
Radar Dimax Sport
Radar
Radar
Dimax Sport
255/40 ZR18 99Y XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 73dB
just  95.30 £
available
Details
Pace ALVENTI
Pace
Pace
ALVENTI
255/40 ZR18 95W

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  96.26 £
available
Details
Fortune FSR702
Fortune
FSR702
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  96.82 £
limited stock
Details
THREE-A Ecowinged
THREE-A
Ecowinged
255/40 ZR18 95Y

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  100.05 £
available
Details
Aptany RA302 RFT
Aptany
RA302 RFT
255/40 ZR18 95W , run-flat

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  100.48 £
limited stock
Details
Grenlander L-Zeal 56
Grenlander
L-Zeal 56
255/40 ZR18 99W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  101.62 £
limited stock
Details
Grenlander Estrella 88
Grenlander
Estrella 88
255/40 ZR18 99W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  101.62 £
limited stock
Details
RoadX RXMotion DU71
RoadX
RXMotion DU71
255/40 ZR18 99Y XL

Tyre type

 Summer tyres
available
just  102.78 £
available
Details
There are 28 of 73 tyres displayed
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