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Home  >  245 / 40 18  >  Onyx Tyres  >  Onyx 245 / 40 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    245/40  18     

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GT Radial SportActive
GT Radial
GT Radial
SportActive
245/40 R18 97W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B 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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 32000
14.04.2024 from Ashley Gain
Tyres had side sway when changing lanes. 1st blowout on 20000 2nd blowout on 30000 and at 40000 last remaining Tyres has wall cracks in inside walls of rear Tyres. Definitely a tyre manufacturer problem. Dealer and supplier is saying I overloaded the tyre and drove on flat tyres. The remaining two tyres are available for evaluation.
(1)

Reifentest.com

just  111.01 £
available
Details
Toyo Proxes Sport 2
Toyo
Toyo
Proxes Sport 2
245/40 R18 97Y XL, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  111.31 £
available
Details
Cooper Zeon CS8
Cooper
Cooper
Zeon CS8
245/40 R18 97Y XL, with Rim flange protection

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 70 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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 425304
04.07.2020 from Stewart Dalzell
Just a brilliant all round tyre for the price point, been using them on my VW and parents cars for a good few years, mileage out them is not great if you drive on the limit all the time, but they inspire that as they grip very will in the dry and the wet, as per usual Cooper tyres have always been good on british roast with typical british weather - Also part of the Avon tyre lot, associated Chinese brands are Superia, Austone, Fortune etc, if it's B or A rated for wet you can almost guarantee it to be the case these days.
24.08.2018 from Sh
Good grip, comfortable drive but noticable increase in fuel consumption
(2)

Reifentest.com

just  111.34 £
limited stock
Details
New
Cooper All Season
Cooper
Cooper
All Season
245/40 R18 97Y XL EVR, with Rim flange protection

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  111.51 £
limited stock
Details
Laufenn Z Fit EQ LK03
Laufenn
Z Fit EQ LK03
245/40 R18 97Y XL 4PR, with rim protection (MFS) SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  111.61 £
available
Details
Nexen N Fera Sport
Nexen
Nexen
N Fera Sport
245/40 R18 97Y XL 4PR

Tyre type

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

(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 504298
06.10.2022 from John
Handling it depends from road quality, but never excellent. Steering feeling is good. Breaking on dry roads insufficient, ABS function even in middle breaking situations. Very low noise,
(2)

Reifentest.com

just  111.86 £
limited stock
Details
Davanti Wintoura +
Davanti
Wintoura +
245/40 R18 97V XL

Tyre type

 Winter tyres
limited stock
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.

(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 24000
08.06.2023 from Shane Marsh
Though I'd give these Davanti tyres a go as I've seen a few Davanti dealers popping up all over the place. These tyres are reasonably good in snow and ice but the rest of the year it "feels" like you're driving on snow and ice. Very wayward and "loose" feel to them and a horrible bounce over 50mph like they aren't round anymore, not a wheel balance wobble but a up and down bounce which is very tiresome on longer journeys. There's a noticeable hum from the tyres like old fashioned aggressive winter tyres which changes pitch depending on angle of steering. I am a loyal supporter of winter tyres but these are like torture and not worth the grief in my opinion.
(1)

Reifentest.com

just  112.20 £
limited stock
Details
Toyo Snowprox S 954
Toyo
Toyo
Snowprox S 954
245/40 R18 97V XL, with rim protectionleiste (FSL)

Tyre type

 Winter tyres
available
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.

(9)
Average based on 9 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 1631658
15.06.2019 from Tony Dolby
I have never triggered the ABS in 8 years of using this tyre, except when testing the surface, and have always felt confident even on wet ice! Great tyre, summer and winter.
(9)

Reifentest.com

just  112.25 £
available
Details
Kenda Wintergen 2 KR501
Kenda
Kenda
Wintergen 2 KR501
245/40 R18 97V RF

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 69 dB
just  112.68 £
limited stock
Details
Barum Polaris 6
Barum
Barum
Polaris 6
245/40 R18 97V XL EVc, with kerbing rib

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  112.78 £
available
Details
Firestone Firehawk Sport
Firestone
Firestone
Firehawk Sport
245/40 R18 97Y XL EVc, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  112.98 £
available
Details
LASSA Snoways 5
LASSA
Snoways 5
245/40 R18 97W XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  112.98 £
available
Details
Falken ZIEX ZE320
Falken
Falken
ZIEX ZE320
245/40 R18 97W XL, with rim protection (MFS) BLK, VCm

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 67 dB
just  113.30 £
limited stock
Details
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
245/40 R18 97Y XL, with rim protection (MFS), Enliten / EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
just  113.57 £
available
Details
Fortuna Eco Plus 2 4S
Fortuna
Fortuna
Eco Plus 2 4S
245/40 R18 97Y XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 68 dB
just  113.65 £
limited stock
Details
Dunlop Blue Response TG
Dunlop
Dunlop
Blue Response TG
245/40 R18 97W XL, with rim protection (MFS) BLK, EVs

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 68 dB
just  113.89 £
limited stock
Details
LASSA Snoways 4
LASSA
Snoways 4
245/40 R18 97V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 70 dB
just  114.00 £
available
Details
Continental ContiSportContact 3
Continental
Continental
ContiSportContact 3
245/40 R18 93Y MO, with kerbing rib

Tyre type

 Summer tyres
available
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.

(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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 333760
(1)

Reifentest.com

just  114.33 £
available
Details
Sailun Atrezzo ZSR
Sailun
Sailun
Atrezzo ZSR
245/40 R18 97Y XL run-flat

Tyre type

 Summer tyres
available
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.

(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 230700
20.12.2019 from Gareth
Our other car is a kuga and if I was reviewing it on that it would be a differant review however given the car has over 300lb/ft of torque these aren't the tyres you want on the rears (they were on the car when I bought it). In the wet the traction control light is a permenant fixture if I get spirited and corners can be challenging if taken with some gusto so in short on a focus or an Astra fine but something with a bit of oomph I would pass on them and spend a bit more. You'll only end up taking them off
(1)

Reifentest.com

just  114.35 £
available
Details
Nokian WR Snowproof P
Nokian
Nokian
WR Snowproof P
245/40 R18 97V XL, with rim protection (MFS)

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  114.38 £
limited stock
Details
GT Radial SportActive 2
GT Radial
GT Radial
SportActive 2
245/40 R18 97Y XL, EV Ready

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 69 dB
just  114.40 £
available
Details
Yokohama BluEarth-4S AW21
Yokohama
Yokohama
BluEarth-4S AW21
245/40 R18 97Y XL BluEarth

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B 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.

(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 driven 2121612
15.04.2024 from Phil Gillender
Had little snow this year but felt very stable good in wet.No problem s so far
19.02.2021 from Rick von Horvath
Such an amazing tyre from Yokohama. Equally as good, if not better, than both Uniroyal and Yokohama winter tyres that I have used in the past. So much quieter too than winter tyres. Top rated traction on both snow and ice. I have passed taxi drivers and over enthusiastic prestige German car drivers trying to go up steep snow covered hills as the Yokohama BluEarth-4S AW21 just kept on going with confidence and tenacious grip. I would swear blind that my humble Skoda Octavia Combi was a 4 x 4 rather than FWD! I understand that this tyre is TUV Sud approved and I can totally as to understand why. Such good valve tyres so go and purchase some, you will not regret it!
23.01.2021 from Viorel
Surprisingly good grip on wet road and stability. Compares very well with my previous premium brand, season dedicated. Price considered, very happy, would buy again.
(4)

Reifentest.com

just  114.66 £
available
Details
Petlas Velox Sport PT741
Petlas
Petlas
Velox Sport PT741
245/40 R18 97W XL

Tyre type

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

(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 859097
07.12.2025 from Padraic Tierney
so after 14 months/25166 km of driving these tyres are down to 3 or 4mm on the front and 5.5 mm on the back. I've never had any need to brake hard in the wet but i have corned sharply at 90 km/hr using these tyres and they do hold the road well. I know i should rotate these but its hard to get time for everything. They are very good value but maybe a bit noisy on the road. I bought 4 together and at €120 each when you compare to michelin pilot sport is really great value for money. They are wearing fairly evenly too so overall the verdict is i would highly recommend these.
(2)

Reifentest.com

just  114.71 £
limited stock
Details
Linglong Sport Master 4S
Linglong
Linglong
Sport Master 4S
245/40 R18 97W XL

Tyre type

 All-season tyres
limited stock
just  114.91 £
limited stock
Details
Kenda Wintergen 2 KR501
Kenda
Kenda
Wintergen 2 KR501
245/40 R18 97V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 69 dB
just  114.92 £
available
Details
Nokian Powerproof 2
Nokian
Nokian
Powerproof 2
245/40 R18 97Y XL Aramid Sidewalls, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 70 dB
just  114.97 £
available
Details
New
Cooper Winter
Cooper
Cooper
Winter
245/40 R18 97V XL EVR, with Rim flange protection

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 71 dB
just  115.19 £
limited stock
Details
Westlake Z-507
Westlake
Westlake
Z-507
245/40 R18 97V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  115.26 £
available
Details
There are 28 of 467 tyres displayed
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