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Home  >  255 / 55 18  >  Sonix Tyres  >  Sonix 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  Sonix    255/55  18     

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Tomket SUV 3
Tomket
SUV 3
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  114.53 £
available
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 C Wet grip C Noise emissions 72 dB
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 driven 453901
(1)

Reifentest.com

just  115.09 £
available
Details
Aptany RU028
Aptany
RU028
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 69 dB
just  115.65 £
available
Details
CEAT SportDrive
CEAT
CEAT
SportDrive
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  116.09 £
available
Details
Transmate Solitude
Transmate
Solitude
255/55 R18 109V

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  116.79 £
available
Details
Sailun Atrezzo R01 Sport
Sailun
Sailun
Atrezzo R01 Sport
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 72 dB
just  117.47 £
available
Details
Landsail RapidDragon SUV
Landsail
Landsail
RapidDragon SUV
255/55 R18 108W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  117.54 £
available
Details
Rovelo Road Quest H/T
Rovelo
Rovelo
Road Quest H/T
255/55 R18 109Y XL

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  117.67 £
limited stock
Details
New
Cooper Winter
Cooper
Cooper
Winter
255/55 R18 109V XL EVR

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  118.09 £
limited stock
Details
Delinte AW7
Delinte
Delinte
AW7
255/55 R18 109V XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  118.35 £
available
Details
RoadX SU01
RoadX
SU01
255/55 R18 109Y XL, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
just  119.01 £
limited stock
Details
Lanvigator Snowpower
Lanvigator
Snowpower
255/55 R18 109V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip D Noise emissions 73 dB
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 driven 104503
18.06.2023 from Hayden
They work ok in the wet. But it's pretty easy to overwhelm them and get wheelspin even being quite gentle, they are roughly half worn after about 18k km. Replacing them now due to them getting punctures far too easily and 3 of them being almost more patch than tyre at this point.
18.06.2023 from Hayden
They work ok in the wet. But it's pretty easy to overwhelm them and get wheelspin even being quite gentle, they are roughly half worn after about 18k km. Replacing them now due to them getting punctures far too easily and 3 of them being almost more patch than tyre at this point.
(2)

Reifentest.com

just  119.39 £
limited stock
Details
GT Radial SportActive 2
GT Radial
GT Radial
SportActive 2
255/55 R18 109Y XL, EV Ready

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 69 dB
just  119.70 £
limited stock
Details
Falken AZENIS FK510A
Falken
Falken
AZENIS FK510A
255/55 R18 105W N0, SUV BLK

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  121.02 £
limited stock
Details
Firestone Multiseason 2
Firestone
Firestone
Multiseason 2
255/55 R18 109V XL EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  121.66 £
available
Details
Imperial Ecosport SUV
Imperial
Imperial
Ecosport SUV
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 71 dB
just  121.96 £
available
Details
RoadX HT02
RoadX
HT02
255/55 R18 105V

Tyre type

H/T Reifen

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  122.11 £
available
Details
Grenlander Icehawke II
Grenlander
Icehawke II
255/55 R18 109H XL

Tyre type

 Winter tyres
available
just  122.11 £
available
Details
Yokohama Geolandar A/T G015
Yokohama
Yokohama
Geolandar A/T G015
255/55 R18 109H XL RBL

Tyre type

A/T Reifen

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance E Wet grip C Noise emissions 72 dB
just  122.25 £
limited stock
Details
Westlake ZuperAce Z-007
Westlake
Westlake
ZuperAce Z-007
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  122.41 £
available
Details
Falken EUROWINTER HS02PRO
Falken
Falken
EUROWINTER HS02PRO
255/55 R18 109V XL NBLK, VCs

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  122.49 £
available
Details
Unigrip Lateral Force A/T
Unigrip
Unigrip
Lateral Force A/T
255/55 R18 109H XL

Tyre type

A/T Reifen

 Summer tyres
available
just  122.51 £
available
Details
Falken AZENIS FK520
Falken
Falken
AZENIS FK520
255/55 R18 109Y XL NBLK, VCs

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  122.74 £
limited stock
Details
Yokohama Geolandar CV G058
Yokohama
Yokohama
Geolandar CV G058
255/55 R18 109V XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  123.02 £
limited stock
Details
Unigrip Lateral Force 4S
Unigrip
Unigrip
Lateral Force 4S
255/55 R18 109W XL

Tyre type

 All-season tyres
available
just  123.10 £
available
Details
Toyo Proxes ST III
Toyo
Toyo
Proxes ST III
255/55 R18 109V XL, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip D Noise emissions 73 dB
just  123.29 £
available
Details
Admiral GRB009
Admiral
GRB009
255/55 R18 105H run-flat

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  123.52 £
available
Details
Churchill GRB009
Churchill
GRB009
255/55 R18 105H run-flat

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  123.52 £
available
Details
There are 28 of 319 tyres displayed
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