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  4. 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:
 
/
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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New
Cooper Summer
Cooper
Cooper
Summer
255/55 R18 109V XL EVR

Season

 Summer tyres
2 - 4 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 70 dB
just  125.01 £
In Stock
Details
Free shipping **
Yokohama Geolandar X-CV (G057)
Yokohama
Yokohama
Geolandar X-CV (G057)
255/55 R18 109W XL, RPB

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 72 dB
List price*  237.00 £
just  125.25 £
limited stock
Details
Free shipping **
Goodyear EfficientGrip 2 SUV
Goodyear
Goodyear
EfficientGrip 2 SUV
255/55 R18 109V XL EVR

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip A 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.

(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 187509
(1)

Reifentest.com

just  125.29 £
limited stock
Details
Free shipping **
Landsail RapidDragon SUV
Landsail
Landsail
RapidDragon SUV
255/55 R18 108W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 73 dB
just  125.29 £
In Stock
Details
Free shipping **
Gripmax SureGrip A/S
Gripmax
SureGrip A/S
255/55 R18 109W XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip C 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.

(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 driven 504906
19.11.2021 from Ian Burton-Palmer
These tyres work really well in the wet or the dry road conditions. I also think that they are quite quiet compared the previous set of tyres I had on this vehicle. All round these are a great choice.
02.06.2021 from John Williams
A decent budget priced winter tyre. Very impressed with the grip quality in snow
(3)

Reifentest.com

just  125.67 £
In Stock
Details
Free shipping **
Goodyear Eagle F1 Asymmetric 6
Goodyear
Goodyear
Eagle F1 Asymmetric 6
255/55 R18 109Y XL EVR

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip A 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.

(57)
Average based on 57 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 8343440
07.10.2023 from Simon Hall
Amazing tyres, grip is excellent, comfort and noise are excellent. the only thing i can fault is that the wear isn&#39;t anything special. Down to 4mm after 6000 miles. My tyre size is 245/35R18 but tyretest will not let me add the correct size above.
10.08.2023 from DanB
Excellent tyres chosen via the reviews by Jon @ tyrereviews.co.uk - they faired very well against the likes of the Michelin PS5s and at the time of buying (Feb2023) the Goodyears were &pound;250 cheaper than the PS5s; but more or less neck &amp; neck with them in the tyre review! That swung the decision for me, more so with the money saving!
23.09.2022 from James g
Fuel consumption high
07.02.2022 from Spiros
Car Driven : BMW 425D 225Hp . Quite quietly from the start until the first 10,000 km they kept a relatively low noise level until the end of their lives. Relatively comfortable especially considering that is a runflat tire. The tire tread still retains its original groove and design but has significant wear points on both edge and there are some small tire detachments. In the few rains we have in Greece it never had a hadling problem or breaking and did not create any feeling of insecurity. in short it is a good quiet tire ROF tire, comfortable and efficient in fast driving.
(57)

Reifentest.com

just  125.99 £
limited stock
Details
Free shipping **
Petlas Explero Winter W671
Petlas
Petlas
Explero Winter W671
255/55 R18 109V XL

Season

 Winter tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 71 dB
just  126.50 £
limited stock
Details
Free shipping **
Grenlander Greenwing A/S
Grenlander
Greenwing A/S
255/55 R18 105V

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  126.80 £
In Stock
Details
Free shipping **
Ovation VI-386 HP
Ovation
Ovation
VI-386 HP
255/55 R18 109W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 73 dB
just  127.56 £
In Stock
Details
Free shipping **
Vredestein Ultrac+
Vredestein
Vredestein
Ultrac+
255/55 R18 109Y XL EVc, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 70 dB
List price*  179.00 £
just  127.92 £
limited stock
Details
Free shipping **
Falken EUROALL SEASON AS220PRO
Falken
Falken
EUROALL SEASON AS220PRO
255/55 R18 109W XL, VCs NBLK

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
List price*  191.00 £
just  128.65 £
In Stock
Details
Free shipping **
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
255/55 R18 109V XL Enliten / EV

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance A Wet grip A Noise emissions 71 dB
List price*  212.50 £
just  128.75 £
limited stock
Details
Free shipping **
Roadstone N Fera RU1
Roadstone
Roadstone
N Fera RU1
255/55 ZR18 109W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 72 dB
just  128.94 £
In Stock
Details
Free shipping **
Gripmax Inception A/T
Gripmax
Inception A/T
255/55 R18 109H XL RWL

Season

All Terrain Tyres

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip C Noise emissions 72 dB
just  129.17 £
In Stock
Details
Free shipping **
Toyo Proxes ST III
Toyo
Toyo
Proxes ST III
255/55 R18 109V XL, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip D Noise emissions 73 dB
just  129.49 £
In Stock
Details
Free shipping **
Dunlop Sport Response
Dunlop
Dunlop
Sport Response
255/55 R18 109V XL BLK

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 70 dB
List price*  220.50 £
just  129.68 £
limited stock
Details
Free shipping **
Autogreen Sport Cruiser SC6
Autogreen
Sport Cruiser SC6
255/55 R18 109V XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip C Noise emissions 71 dB
just  129.99 £
In Stock
Details
Free shipping **
Hankook Ventus S1 Evo 3 K127A
Hankook
Hankook
Ventus S1 Evo 3 K127A
255/55 R18 109W XL 4PR *, SUV SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance A Wet grip A Noise emissions 68 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 173026
03.09.2025 from Russ
The Tyres give good grip and little noise. They grip Well in the dry and seem ok in wet
(1)

Reifentest.com

List price*  201.00 £
just  130.13 £
In Stock
Details
Free shipping **
Kleber Dynaxer HP 5 SUV
Kleber
Kleber
Dynaxer HP 5 SUV
255/55 R18 109W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 73 dB
just  130.28 £
In Stock
Details
Free shipping **
Vredestein Quatrac Pro+
Vredestein
Vredestein
Quatrac Pro+
255/55 R18 109W XL EVc, with rim protection ridge (FSL)

Season

 All-season tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 72 dB
List price*  188.50 £
just  130.66 £
limited stock
Details
Free shipping **
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/55 R18 109H XL SUV

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 73 dB
just  131.55 £
limited stock
Details
Free shipping **
Tristar Sportpower
Tristar
Tristar
Sportpower
255/55 R18 109W XL SUV, with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip C 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.

(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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 330976
04.12.2018 from Michael
Surprising amount of wheelspin from standstill in wet for 4wd suv. Also feels like the side walls are floppy on full lock However we have not driven the car with other tyres so nothing to compare against.
03.11.2018 from Pete
Have been very pleasantly surprised as to haw good the Tristar Tyers have been I drive a mix of roads Motorway A road and country roads and the tyers have proformed very well in the dry and also in the wet.
(3)

Reifentest.com

just  131.80 £
limited stock
Details
Free shipping **
Kenda KR50
Kenda
Kenda
KR50
P255/55 R18 109H XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance F Wet grip E Noise emissions 71 dB
just  132.10 £
limited stock
Details
Free shipping **
Kenda Kenetica SUV KR606
Kenda
Kenda
Kenetica SUV KR606
255/55 ZR18 109W RF

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 70 dB
just  132.52 £
In Stock
Details
Free shipping **
Goodyear Eagle F1 Asymmetric 5
Goodyear
Goodyear
Eagle F1 Asymmetric 5
255/55 R18 109W XL EVR, MO

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance A Wet grip A 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.

(54)
Average based on 54 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 6819201
23.09.2022 from James g
Fuel consumption high
07.02.2022 from Spiros
Car Driven : BMW 425D 225Hp . Quite quietly from the start until the first 10,000 km they kept a relatively low noise level until the end of their lives. Relatively comfortable especially considering that is a runflat tire. The tire tread still retains its original groove and design but has significant wear points on both edge and there are some small tire detachments. In the few rains we have in Greece it never had a hadling problem or breaking and did not create any feeling of insecurity. in short it is a good quiet tire ROF tire, comfortable and efficient in fast driving.
31.12.2021 from Stuart
Big improvement on the OEM fitted brand. More refined, quieter and more confident grip in both wet and dry. Fitted full set; 215/45R17 in front and 245/40R17 in rear, as standard spec. Only driven on road (A and B roads and some motorway), no tracking. Hard to fault for this purpose.
16.07.2021 from Rok Sharma
I drive fast and furious when required or slow and deliberate in slow traffic! I used these tyres on my 5 series BMW 525iSE and were superb! Now on Mrs Peugeot 308 hdi and pretty good!
(54)

Reifentest.com

just  133.40 £
limited stock
Details
Free shipping **
RoadX SU01
RoadX
SU01
255/55 R18 109Y XL with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  133.58 £
limited stock
Details
Free shipping **
Kleber Krisalp HP 3
Kleber
Kleber
Krisalp HP 3
255/55 R18 109V XL, SUV

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C 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.

(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&#39;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&#39;s head
(10)

Reifentest.com

just  133.52 £
In Stock
Details
Free shipping **
Falken EUROWINTER HS02PRO
Falken
Falken
EUROWINTER HS02PRO
255/55 R18 109V XL, VCs NBLK

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
List price*  201.00 £
just  133.71 £
In Stock
Details
Free shipping **
There are 28 of 338 tyres displayed
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