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Home  >  255 / 55 18  >  Onyx Tyres  >  Onyx 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  Onyx    255/55  18     

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Arivo Ultra ARZ-4
Arivo
Ultra ARZ-4
255/55 R18 109V XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  135.60 £
limited stock
Details
CEAT Winter Drive SUV
CEAT
CEAT
Winter Drive SUV
255/55 R18 109V XL

Tyre type

 Winter tyres
available
just  135.77 £
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  135.85 £
available
Details
Delinte DS2
Delinte
Delinte
DS2
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  135.96 £
available
Details
Dynamo MSU02 RFT
Dynamo
MSU02 RFT
255/55 R18 105H run-flat

Tyre type

 Summer tyres
available
just  136.35 £
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  136.57 £
available
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 D Wet grip B Noise emissions 71 dB
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 driven 4235400
25.02.2013 from bogdan 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
Vredestein Quatrac Pro+
Vredestein
Vredestein
Quatrac Pro+
255/55 R18 109W XL EVc, with rim protectionleiste (FSL)

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 72 dB
just  136.93 £
limited stock
Details
Gripmax Inception A/T
Gripmax
Inception A/T
255/55 R18 109H XL RWL

Tyre type

A/T Reifen

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip C Noise emissions 72 dB
just  137.24 £
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 C Wet grip A Noise emissions 72 dB
just  137.30 £
available
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 C Wet grip B Noise emissions 72 dB
just  137.58 £
limited stock
Details
Kenda KR50
Kenda
Kenda
KR50
255/55 R18 109H XL

Tyre type

 Summer tyres
limited stock
just  137.87 £
limited stock
Details
AUSTONE SP401
AUSTONE
SP401
255/55 R18 109W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  138.23 £
available
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  138.32 £
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 C Wet grip B Noise emissions 71 dB
just  138.42 £
available
Details
Falken EUROALL SEASON AS220PRO
Falken
Falken
EUROALL SEASON AS220PRO
255/55 R18 109W XL NBLK, VCs

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  138.53 £
limited stock
Details
Kleber Dynaxer HP 5 SUV
Kleber
Kleber
Dynaxer HP 5 SUV
255/55 R18 105V

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 72 dB
just  139.12 £
limited stock
Details
Kleber Krisalp HP 3
Kleber
Kleber
Krisalp HP 3
255/55 R18 109V XL, SUV

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 71 dB
Client reviews rating:
Client reviews rating

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

(10)
Average based on 10 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 7493904
12.06.2020 from Ray Noble
Steering and wet road handling improved since replacing the standard tyre fitment.
21.05.2019 from Jane
I bought these as they rated well performing across the board. Not top in anything but above everything that was top in at least one area. The wet grip and braking is fantastic. Performed well throughout the cold months but we had no snow this year to test them. On warm dry roads the compound or pattern does not allow for an aggressive driving style but I never intended to keep them on in the summer so this was irrelevant to me. They make a noise like driving through standing water in the wet which is strange at first but I wouldn't say generally they were any noisier than my Eagle asymmetric 2 that they replaced. Did everything I expected from them and will be re fitting them come the winter.
21.03.2019 from McLovin
Not big enough to completely cover a horse's head
(10)

Reifentest.com

just  139.20 £
available
Details
Zeetex SU1000 vmf
Zeetex
Zeetex
SU1000 vmf
255/55 R18 109W XL

Tyre type

 Summer tyres
limited stock
just  139.49 £
limited stock
Details
New
Hankook Winter i*cept evo 4 SUV W340A
Hankook
Hankook
Winter i*cept evo 4 SUV W340A
255/55 R18 109V XL 4PR, with rim protection (MFS) SBL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  139.56 £
available
Details
Goodyear Vector 4 Seasons Gen-3 SUV
Goodyear
Goodyear
Vector 4 Seasons Gen-3 SUV
255/55 R18 109Y XL EVR

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  139.69 £
limited stock
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/55 R18 105V, SUV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 72 dB
just  139.94 £
limited stock
Details
Gripmax Stature M/S
Gripmax
Stature M/S
255/55 R18 109V XL

Tyre type

 Winter tyres
available
just  140.31 £
available
Details
Hankook Kinergy 4S² X H750A
Hankook
Hankook
Kinergy 4S² X H750A
255/55 R18 109V XL 4PR, with rim protection (MFS) SBL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  140.31 £
available
Details
Dunlop Sport Maxx RT2
Dunlop
Dunlop
Sport Maxx RT2
255/55 R18 109Y XL, SUV, with rim protection (MFS) BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
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 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’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  140.42 £
available
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/55 R18 109W XL, SUV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  140.47 £
limited stock
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 B Wet grip B Noise emissions 71 dB
just  140.51 £
limited stock
Details
General Grabber GT Plus
General
General
Grabber GT Plus
255/55 R18 109Y XL EVc, with kerbing rib

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  140.99 £
limited stock
Details
There are 28 of 317 tyres displayed
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