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Home  >  255 / 55 18  >  Dynamo Tyres  >  Dynamo 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  Dynamo   255/55  18     

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Dunlop Winter Sport 5
Dunlop
Dunlop
Winter Sport 5
255/55 R18 109V XL, SUV BLK

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.

(11)
Average based on 11 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 driven6595134
23.03.2026fromCharles Heard
A sure grip in all weather / road conditions
30.04.2021fromPaul
Just avoid, unless you live in Finland or something. Driving in WET and Dry, just terrible grip and I have a 4x4 Subaru with LSD. It's shocking really. Unless you drive really slow, it's OK then, but come roundabout they just don't grip doesn't matter wet or dry. Good in snow, but it should be at least good in wet as well and OK in dry, but It's crap in both wet and dry, so not good for me, will not buy again.
05.06.2019fromAsh
I didn't get these on until Feb/Mar when worst of the weather had passed. Driven on main roads & motorways at temps between 3°c and 16°c in mixed weather without problems. Obviously they were less responsive at the higher temps but never felt dangerous. No sign of wear at all. Dry road grip when accelerating lost traction a bit too easily but cornering was predictable.
(11)

Reifentest.com

just  151.37 £
available
Details
Continental CrossContact LX Sport
Continental
Continental
CrossContact LX Sport
255/55 R18 109H XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  151.38 £
available
Details
Bridgestone Dueler H/P Sport
Bridgestone
Bridgestone
Dueler H/P Sport
255/55 R18 109W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet 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.

(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  151.41 £
limited stock
Details
Pirelli Scorpion All Season SF3
Pirelli
Pirelli
Scorpion All Season SF3
255/55 R18 109Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  151.62 £
available
Details
Nexen N Fera RU1
Nexen
Nexen
N Fera RU1
255/55 R18 109Y XL 4PR

Tyre type

 Summer 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.

(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 driven1157856
10.07.2019fromPeter Bergelin
I drive more heavy footed than my wife and I have purchased tyres for £200 + each in the past and they lasted 8 to 10 months. These tyres last around 14months minimum in the front and there are a lot of round about to travel around. They give excellent grip in all weathers.
26.08.2018fromMike
Bought these to replace the OEM Goodyear wranglers as they were avalaible, price and reviews were good, and the Goodyear’s wear wasn’t up to scratch in my opinion. They didn’t transform the handling of the car, but it’s a 7 seat giant of a SUV and so not too sporty in the corners anyway. The grip in both dry and wet wasn’t significantly worse than the Goodyear’s, and probably a little better in all but dry conditions. Had a few days use on snow / ice on treated and untreated roads, and combined with the electric wizardry of the Discovery, seemed to cope a lot better than the 1.8mm Goodyear’s i’d Just taken off. Whether the reed depth made more of an impact than brand i’m Not entirely sure. Seem to be lasting well after 12,000m I certainly would buy them again.
06.09.2015fromMr Paul Hamilton
I was a little worried about purchasing tyres from the internet at first, however mytyre were very professional and delivery was prompt, however I recommend you check your tyres carefully on delivery as one of my tyres was the wrong size, however it was rectified promptly. Although I paid for fitting which usually costs around £10 to £15 a tyre I still saved £180. The tyres were deliverd packaged and looked great, the EU standard efficiency marking was very helpful in choosing the tyres, I had great tyres and great service from Mytyre.
(4)

Reifentest.com

just  151.70 £
available
Details
Ziarelli MZ3
Ziarelli
MZ3
255/55 R18 109H runderneuert

Tyre type

 Winter tyres
limited stock
just  152.03 £
limited stock
Details
Pace Impero
Pace
Pace
Impero
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 73dB
just  152.50 £
available
Details
Comforser CF950
Comforser
CF950
255/55 R18 109H XL

Tyre type

 Winter tyres
limited stock
just  152.88 £
limited stock
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/55 R18 109V XL, SUV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 73dB
just  152.93 £
limited stock
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  153.49 £
available
Details
Sailun Ice Blazer WS T3
Sailun
Sailun
Ice Blazer WS T3
255/55 R18 105T studded

Tyre type

 Winter 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 driven48528
(1)

Reifentest.com

just  154.47 £
available
Details
LASSA Competus H/P 2
LASSA
Competus H/P 2
255/55 R18 109W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  155.35 £
limited stock
Details
Kenda Wintergen 2 KR501
Kenda
Kenda
Wintergen 2 KR501
255/55 R18 109V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 69dB
just  155.93 £
limited stock
Details
General GRABBER AT3 (CP)
General
General
GRABBER AT3 (CP)
255/55 R18CP 120/118R 10PR

Tyre type

A/T Reifen

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 75dB
just  155.95 £
available
Details
LASSA Competus Winter 2+
LASSA
Competus Winter 2+
255/55 R18 109H XL

Tyre type

 Winter tyres
limited stock
just  156.22 £
limited stock
Details
LASSA Competus H/P 3
LASSA
Competus H/P 3
255/55 R18 109W XL, EV Ready

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  157.03 £
limited stock
Details
BF Goodrich g-Force Winter 2
BF Goodrich
BF Goodrich
g-Force Winter 2
255/55 R18 109V XL, SUV

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 71dB
just  157.05 £
available
Details
Continental CrossContact UHP
Continental
Continental
CrossContact UHP
255/55 R18 109Y XL N1

Tyre type

H/T Reifen

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise 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 driven441805
(1)

Reifentest.com

just  157.65 £
available
Details
Pirelli Scorpion Zero All Season
Pirelli
Pirelli
Scorpion Zero All Season
255/55 R18 105T (+), Elect

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 70dB
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 driven352640
17.04.2024fromDave Wightman
The new tyres improved the grip both in wet and dry conditions, which was noticeable immediately. There was also some marginal improvement in fuel consumption. There was no test on snow.
(4)

Reifentest.com

just  157.88 £
available
Details
Ziarelli Mud Power
Ziarelli
Mud Power
255/55 R18 109H runderneuert

Tyre type

 All-season tyres
limited stock
just  158.45 £
limited stock
Details
Pirelli Scorpion Verde Run Flat
Pirelli
Pirelli
Scorpion Verde Run Flat
255/55 R18 109V XL *, run-flat

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  158.81 £
limited stock
Details
Windforce Snowblazer UHP
Windforce
Snowblazer UHP
255/55 R18 109V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 73dB
just  159.03 £
limited stock
Details
Continental CrossContact H/T
Continental
Continental
CrossContact H/T
255/55 R18 109H XL, EVc

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 73dB
just  160.06 £
limited stock
Details
Maxxis HP-M3
Maxxis
Maxxis
HP-M3
255/55 R18 109V

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip DNoise emissions 72dB
just  160.40 £
limited stock
Details
Cooper Zeon 4XS Sport
Cooper
Cooper
Zeon 4XS Sport
255/55 R18 109Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet 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.

(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 driven761778
15.06.2024fromA. Blackburn
This is the second set of the same tyres I have put on my XC90 - mileage driven reflects use of both sets. They are sure-footed and comfortable, and inspire confidence. No hesitation in buying more of the same.
(2)

Reifentest.com

just  160.69 £
limited stock
Details
Continental CrossContact H/T
Continental
Continental
CrossContact H/T
255/55 R18 109H XL, EVc

Tyre type

H/T Reifen

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
just  160.72 £
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  160.75 £
available
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  161.30 £
available
Details
There are 28 of 305 tyres displayed
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