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Home  >  255 / 40 18  >  Dunlop Tyres  >  Dunlop 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.
 
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  Dunlop    255/40  18     

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Prices include VAT and delivery within Ireland

Dunlop SP Winter Sport 4D
Dunlop
Dunlop
SP Winter Sport 4D
255/40 R18 99V XL MO, with rim protection (MFS) BLK

Tyre type

Studless Winter

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 73 dB
just  € 172.09
 
available
Details
Dunlop Sport Maxx RT2
Dunlop
Dunlop
Sport Maxx RT2
255/40 R18 99Y XL, with rim protection (MFS) BLK

Tyre type

 Summer tyres
available
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. <span><em>Tyretest.com</em></span> offers over 430 000 tests firsthand - from consumers for consumers.

(12)
Average based on 12 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 4424172
07.08.2020 from brendan O sullivan
Good tyres but not as good as the Michelin pilot sport 4. Will be going back to the sports.
04.12.2019 from Ali
I am a High mileage driver covering all roads day and night. This is a premium summer tyre made for dry grip and wet braking. Out of a budget , midrange and premium I&rsquo;ve noted , the cheapest gives me around 6000 miles. The mid ranges cover around 12000 miles and premiums last around 18000 miles. In terms of grip it always has to be premium. These are also much quieter than budget tyres. I&rsquo;ve covered 25000 miles of hard driving with these tyres and they still have around 3mm left. This is the second summer I&rsquo;ve purchased these tyres. Good on price as well as grip
(12)

Reifentest.com

just  € 177.04
 
available
Details
Show all the tyres in the selected size
Nordexx NS9200
Nordexx
NS9200
255/40 R18 99Y XL

Tyre type

 Summer tyres
available
just  € 83.03
 
available
Details
AUSTONE SP901
AUSTONE
SP901
255/40 R18 99H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 73 dB
just  € 85.34
 
available
Details
Tracmax X-Privilo S330
Tracmax
X-Privilo S330
255/40 R18 99V XL

Tyre type

 Winter tyres
available
just  € 92.05
 
available
Details
Radar Dimax Winter
Radar
Radar
Dimax Winter
255/40 R18 99V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  € 92.43
 
limited stock
Details
Westlake Z-507
Westlake
Westlake
Z-507
255/40 R18 99V XL

Tyre type

 Winter tyres
limited stock
just  € 96.10
 
limited stock
Details
Westlake ZuperAce Z-007
Westlake
Westlake
ZuperAce Z-007
255/40 R18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  € 96.29
 
available
Details
Fortuna Eco Plus UHP
Fortuna
Fortuna
Eco Plus UHP
255/40 R18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 69 dB
just  € 96.77
 
available
Details
CEAT SportDrive
CEAT
CEAT
SportDrive
255/40 R18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  € 97.44
 
available
Details
Trazano Z507
Trazano
Trazano
Z507
255/40 R18 99V

Tyre type

 Winter tyres
available
just  € 101.98
 
available
Details
Arivo Winmaster ARW 3
Arivo
Winmaster ARW 3
255/40 R18 99H 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. <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 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  € 102.30
 
available
Details
Arivo Ultra ARZ-5
Arivo
Ultra ARZ-5
255/40 R18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 18000
(1)

Reifentest.com

just  € 103.50
 
available
Details
Superia EcoBlue UHP 2
Superia
EcoBlue UHP 2
255/40 R18 99W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 69 dB
just  € 105.61
 
limited stock
Details
APlus A702
APlus
A702
255/40 R18 99V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  € 107.88
 
limited stock
Details
Sailun Ice Blazer Alpine Evo1
Sailun
Sailun
Ice Blazer Alpine Evo1
255/40 R18 99V XL

Tyre type

 Winter 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. <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 212499
16.10.2024 from Jurijs
One of the best winter tyres I had from year 2007, when I started to drive my own car. Confident driving also with one side on ice, another on dry surface, on wet snow or just wet surface.
(1)

Reifentest.com

just  € 112.56
 
limited stock
Details
Triangle EffeXSport TH202
Triangle
Triangle
EffeXSport TH202
255/40 R18 99Y XL, with rim protectionleiste (FSL)

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. <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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 249806
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  € 112.65
 
limited stock
Details
Landsail RapidDragon
Landsail
Landsail
RapidDragon
255/40 R18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  € 114.63
 
available
Details
Sailun Ice Blazer Alpine Evo 2
Sailun
Sailun
Ice Blazer Alpine Evo 2
255/40 R18 99V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  € 121.26
 
available
Details
CEAT WinterDrive Sport
CEAT
CEAT
WinterDrive Sport
255/40 R18 99W XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  € 127.48
 
available
Details
Laufenn Z Fit EQ LK03
Laufenn
Z Fit EQ LK03
255/40 R18 99Y XL 4PR, with rim protection (MFS) SBL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  € 128.08
 
limited stock
Details
Dynamo Winter Sport
Dynamo
Winter Sport
255/40 R18 99V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  € 130.12
 
available
Details
Arivo Ultra ARZ-5
Arivo
Ultra ARZ-5
255/40 R18 99W XL run-flat

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 18000
(1)

Reifentest.com

just  € 130.39
 
available
Details
Yokohama BluEarth-Winter V905
Yokohama
Yokohama
BluEarth-Winter V905
255/40 R18 99V XL BluEarth

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  € 133.03
 
limited stock
Details
Petlas Snowmaster 2 Sport
Petlas
Petlas
Snowmaster 2 Sport
255/40 R18 99V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  € 135.62
 
available
Details
Goodride Solmax 1 ZRT
Goodride
Goodride
Solmax 1 ZRT
255/40 R18 99W XL, with rim protection (MFS), run-flat

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  € 137.52
 
available
Details
Kumho WinterCraft WP72
Kumho
Kumho
WinterCraft WP72
255/40 R18 99V 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  € 138.16
 
available
Details
Sailun Ice Blazer Alpine Evo
Sailun
Sailun
Ice Blazer Alpine Evo
255/40 R18 99V XL

Tyre type

 Winter tyres
available
just  € 138.53
 
available
Details
There are 28 of 129 tyres displayed
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Prices include VAT and delivery within Ireland.

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