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Home  >  255 / 55 18  >  Unigrip Tyres  >  Unigrip 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  Unigrip   255/55  18     

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Matador MP82 Conquerra 2
Matador
Matador
MP82 Conquerra 2
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  132.42 £
available
Details
Hankook Ventus S1 Evo 2 K117A
Hankook
Hankook
Ventus S1 Evo 2 K117A
255/55 R18 105W 4PR N1, SUV SBL

Tyre type

 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. 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 driven1187040
07.05.2018frommolkosaki
OK concerning all aspects - Except NOISE. Really bad ! Not in the topline other Comfort-aspects. But ok. The noise level on the Swedish often very coarse asphalt is horrible-I will have too change tyres. In comparison with the 17" wintertyres -friction- the soundlevel is extremely different-VERY FAR FROM ACCEPTABLE. Strange-when you look att the EU db figures (68 db) , but that must be a value on an extremely smooth Surface. The noisiest tire I ever had !
(4)

Reifentest.com

just  132.59 £
limited stock
Details
Trazano SU318 H/T
Trazano
Trazano
SU318 H/T
255/55 R18 109V XL

Tyre type

H/T Reifen

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  132.73 £
available
Details
General Snow Grabber Plus
General
General
Snow Grabber Plus
255/55 R18 109H XL, EVc

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise 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.

(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 driven31000
12.06.2019fromMr Ford
Great on sub zero un-gritted uk roads, an early dry spring saw them taken off the car earlier than expected.
(1)

Reifentest.com

just  132.92 £
limited stock
Details
AUSTONE SP901
AUSTONE
SP901
255/55 R18 109V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 73dB
just  132.96 £
available
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  133.62 £
available
Details
Hankook Dynapro HPX (RA43)
Hankook
Hankook
Dynapro HPX (RA43)
255/55 R18 109V XL 4PR SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 71dB
just  133.64 £
available
Details
Falken AZENIS FK510A
Falken
Falken
AZENIS FK510A
255/55 R18 105W N0, SUV BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 72dB
just  133.77 £
available
Details
Falken EUROWINTER HS02PRO
Falken
Falken
EUROWINTER HS02PRO
255/55 R18 109V XL, VCs BLK

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  133.89 £
limited stock
Details
Toyo Proxes ST III
Toyo
Toyo
Proxes ST III
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip DNoise emissions 73dB
just  133.94 £
available
Details
Goodyear UltraGrip Performance 3
Goodyear
Goodyear
UltraGrip Performance 3
255/55 R18 109V XL, EVR

Tyre type

 Winter 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.

(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 driven519442
30.05.2026fromFraser
Have tried lots of different snow tyres over years and put these on my 3 series touring to replace the Pirelli zero’s. If anything I thought they ran quieter than the zero’s and plenty of grip in both dry and wet conditions. Used the in snow as well and kept everything moving which is all you want from a snow tyre.
15.01.2026fromJames
As my Volvo is a rear wheel drive automatic I always use winter tyres. Previously had Goodyear ultra grip 9 and still have them on the front. New Goodyear ultra grip 3 on rear. We're great in the recent snow, where front wheel drives were getting stuck, no doubt on summer tyres.
11.01.2025fromAndy Duff
An extremely sure-footed winter tyre that blurs the transition from my summer to winter wheels. As good as it gets.
(3)

Reifentest.com

just  133.99 £
available
Details
Goodyear UltraGrip Performance 3
Goodyear
Goodyear
UltraGrip Performance 3
255/55 R18 109H XL, EVR

Tyre type

 Winter tyres
limited stock
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.

(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 driven519442
30.05.2026fromFraser
Have tried lots of different snow tyres over years and put these on my 3 series touring to replace the Pirelli zero’s. If anything I thought they ran quieter than the zero’s and plenty of grip in both dry and wet conditions. Used the in snow as well and kept everything moving which is all you want from a snow tyre.
15.01.2026fromJames
As my Volvo is a rear wheel drive automatic I always use winter tyres. Previously had Goodyear ultra grip 9 and still have them on the front. New Goodyear ultra grip 3 on rear. We're great in the recent snow, where front wheel drives were getting stuck, no doubt on summer tyres.
11.01.2025fromAndy Duff
An extremely sure-footed winter tyre that blurs the transition from my summer to winter wheels. As good as it gets.
(3)

Reifentest.com

just  133.99 £
limited stock
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/55 R18 109H XL, SUV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 73dB
just  134.92 £
limited stock
Details
Sunfull Mont-Pro HP881
Sunfull
Mont-Pro HP881
255/55 R18 109W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip DNoise emissions 73dB
just  134.99 £
limited stock
Details
Kleber Quadraxer SUV
Kleber
Kleber
Quadraxer SUV
255/55 R18 109V XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  135.22 £
available
Details
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  135.25 £
limited stock
Details
Fulda Kristall Control SUV
Fulda
Fulda
Kristall Control SUV
255/55 R18 109H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
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 driven453901
(1)

Reifentest.com

just  135.29 £
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  135.36 £
available
Details
Kenda Kenetica SUV KR606
Kenda
Kenda
Kenetica SUV KR606
255/55 ZR18 109W RF

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 70dB
just  135.47 £
available
Details
Hankook Ventus S1 Evo 2 K117C HRS
Hankook
Hankook
Ventus S1 Evo 2 K117C HRS
255/55 R18 109V XL 4PR, SUV, run-flat SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  135.94 £
available
Details
Kumho WinterCraft WS71 SUV
Kumho
Kumho
WinterCraft WS71 SUV
255/55 R18 109H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
just  136.11 £
available
Details
Goodyear Eagle F1 Asymmetric
Goodyear
Goodyear
Eagle F1 Asymmetric
255/55 R18 109V XL *, SUV

Tyre type

 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. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(121)
Average based on 121 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 driven34730632
01.05.2019fromKeith
These tyres replaced Pirelli P zero's so it was a hard act to follow but the only fault I noticed was on fast damp corners they do not hold on just as well
01.10.2018fromRobin Hook
First thing to say is I have MO's fitted. Tried these on my Stage 3 TT RS - some commuting some shall we say v.spirited driving, grip is excellent, wet & dry but of course the awd helps , as good as others I've tried. what is surprising to me is the wear rate they are great, i'm not expecting zillions of miles but to compare I have a mondeo diesel with Michelins doing same commute and only about 20% tops better. Car's a bit noisy so can't comment about road noise but again no more/less noisy than other premiums.
20.02.2013fromJ Robinson
Definitely my first choice for summer tyres after trying several premium brands. Excellent grip in dry and wet which inspires confidence for spirited driving in all driving conditions.
03.07.2012fromPaul Faulkner
very happy with these tyres
(121)

Reifentest.com

just  136.39 £
limited stock
Details
Bridgestone Dueler H/P Sport
Bridgestone
Bridgestone
Dueler H/P Sport
255/55 R18 109Y XL AO, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 71dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(7)
Average based on 7 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 driven4235400
25.02.2013frombogdan ivan
Un pic zgomotoase, dar au rezistat foarte mult. Dupa mai mult research, cred ca o sa iau tot din astea. Bune si pentru drumurile de la noi
(7)

Reifentest.com

just  136.69 £
limited stock
Details
Massimo Leone L1
Massimo
Leone L1
255/55 R18 109V

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  136.71 £
limited stock
Details
Nokian Seasonproof 1
Nokian
Nokian
Seasonproof 1
255/55 R18 109W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 73dB
just  136.89 £
available
Details
Zeetex SU1000 vmf
Zeetex
Zeetex
SU1000 vmf
255/55 R18 109W XL

Tyre type

 Summer tyres
limited stock
just  137.10 £
limited stock
Details
Nankang Winter Activa 4 SUV
Nankang
Nankang
Winter Activa 4 SUV
255/55 R18 109V XL

Tyre type

 Winter 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. 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 driven98838
04.05.2022fromMarek choszczewski
Very good tyres
(1)

Reifentest.com

just  137.32 £
available
Details
Dunlop Sport Maxx RT2
Dunlop
Dunlop
Sport Maxx RT2
255/55 R18 109Y XL, SUV BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 71dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com 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 driven4403095
07.08.2020frombrendan O sullivan
Good tyres but not as good as the Michelin pilot sport 4. Will be going back to the sports.
04.12.2019fromAli
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’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’ve covered 25000 miles of hard driving with these tyres and they still have around 3mm left. This is the second summer I’ve purchased these tyres. Good on price as well as grip
(12)

Reifentest.com

just  137.77 £
available
Details
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