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  4. Riken 235 / 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:
 
/
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  Riken  235/40  18   

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Lassa Revola
Lassa
Lassa
Revola
235/40 R18 95Y XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 71 dB
just  126.21 £
limited stock
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Accelera 651 Sport
Accelera
Accelera
651 Sport
235/40 R18 91W

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
just  126.34 £
In Stock
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Bridgestone Turanza All season 6
Bridgestone
Bridgestone
Turanza All season 6
235/40 R18 95Y XL, with rim protection (MFS), Enliten / EV

Season

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

(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 474904
06.09.2025 from Zoran
I have front set of 2 tires 1 year and around 20000km old, and rear set 6 months and around 10000km. Tyres are excellent for my car on dry and wet. There&#39;s not much snow in this part of England, but was some WET snow last winter and tyres were good on start and in curves but on braking just slide (wet snow i suppose). I have been on the road trip this summer 5000km+, and tyres aren&#39;t worn at all. Good grip in curves on motorway at high speed (up to 180 km/h) on dry and wet.
(4)

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just  126.56 £
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New
Hankook Winter i*cept evo 4 W340
Hankook
Hankook
Winter i*cept evo 4 W340
235/40 R18 95V XL 4PR, with rim protection (MFS) SBL

Season

 Winter tyres
2 - 4 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  127.06 £
In Stock
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Sonix Winter Xpro 888
Sonix
Winter Xpro 888
235/40 R18 95V XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 70 dB
just  127.12 £
In Stock
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Continental SportContact 6
Continental
Continental
SportContact 6
235/40 ZR18 95Y XL EVc, with kerbing rib

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D 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.

(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 1309595
16.12.2023 from Claudiu
The experience was not that bad with this tyres except the fact that i should change them after 30-35 000 km. They are not that quiet it should be, the consumption of the car was lower than the competion but the tyre wear is not ok.
(2)

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just  127.89 £
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Berlin Tires Summer UHP 1
Berlin Tires
Summer UHP 1
235/40 ZR18 95Y XL

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  128.15 £
limited stock
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Toyo Observe EWS1
Toyo
Toyo
Observe EWS1
235/40 R18 95V XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 72 dB
just  128.66 £
In Stock
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Continental ContiSportContact 3
Continental
Continental
ContiSportContact 3
235/40 R18 91Y MO, with kerbing rib

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip B 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.

(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  128.74 £
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Continental ContiSportContact 3
Continental
Continental
ContiSportContact 3
235/40 R18 91Y MO, with kerbing rib

Season

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

(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  128.92 £
limited stock
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GT Radial SportActive 2
GT Radial
GT Radial
SportActive 2
235/40 R18 95Y XL, EV Ready

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip A Noise emissions 69 dB
just  130.21 £
limited stock
Details
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Hankook Ventus S1 Evo 3 K127
Hankook
Hankook
Ventus S1 Evo 3 K127
235/40 ZR18 95Y XL 4PR, with rim protection (MFS) SBL

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
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.

(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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 1270908
04.09.2024 from KP
Performed well in regarded to grip levels both wet and dry, did aquaplane more than the Pirelli&rsquo;s P zeros but absolutely unbearable road noise and harshness. Yes I had 22&rdquo; wheels with a very low profile but when compared to the OEM Pirelli P Zero &amp; Scopions I&rsquo;d avoid these if you want to enjoy your drive.
01.06.2022 from Ian
Superb grip on twisty country roads I&#39;ve had minor spin when pulling away on wet surfaces, but have driven through very wet conditions with no concerns. Noise is more from poor road surfaces than the tyres and they&#39;re very quiet on quality roads. Still surprised by how little they&#39;ve worn in 6 months.
05.09.2020 from Elaine barclay
Changed to these tyre as wasnt happy with the grip on the ones I had. Would definitely recommend great grip in wet and dry very good braking and comfortable and not any louder then any other tyre I have had.
05.09.2020 from Elaine barclay
Changed to these tyre as wasnt happy with the grip on the ones I had. Would definitely recommend great grip in wet and dry very good braking and comfortable and not any louder then any other tyre I have had.
(7)

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just  131.29 £
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Yokohama BluEarth-ES ES32A
Yokohama
Yokohama
BluEarth-ES ES32A
235/40 R18 95W XL BluEarth

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 68 dB
just  131.43 £
In Stock
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CEAT WinterDrive Sport
CEAT
CEAT
WinterDrive Sport
235/40 R18 95V XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
just  131.58 £
In Stock
Details
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Continental EcoContact 7 S
Continental
Continental
EcoContact 7 S
235/40 R18 91W EVc, with kerbing rib

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 70 dB
just  132.19 £
limited stock
Details
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Gislaved Ultra*Speed 2
Gislaved
Gislaved
Ultra*Speed 2
235/40 R18 95Y XL EVc, with kerbing rib

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  133.15 £
limited stock
Details
Free shipping **
Continental ContiSportContact 5 P
Continental
Continental
ContiSportContact 5 P
235/40 ZR18 95Y XL MO, with kerbing rib

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip A Noise emissions 72 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.

(8)
Average based on 8 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 3796353
07.01.2022 from John S.
Not a sport tyre. Very disappointment.
26.11.2020 from Alan Burton
Steady, now I&#39;m over 70, with the occasional speed burst for fun. Usually stick to speed limits now.
26.04.2020 from Keith Stagner
Quiet &amp; grips well. Gouges very easily on curbs when parking
27.08.2019 from MIKE
OE FITMENT NEVER HAD A PROBLEM AN EXCELLENT ALL ROUND PERFORMANCE TYRE.
(8)

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just  133.69 £
In Stock
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Pirelli P Zero
Pirelli
Pirelli
P Zero
235/40 ZR18 95Y XL AR, with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 72 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.

(35)
Average based on 35 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 9092800
12.12.2025 from DAVID
These tyres are outstanding. The car is a 25th Anniversary GTI with a ported and polished cylinder head and fitted with SACHS Race Engineering coilovers. I require tyres with the highest possible grip, in both wet and dry conditions. For this reason I only fit AUDI AO specification tyres as this specification was developed for the maximum grip on the high performance fwd Audi TT. Which uses the same platform as the MkIV Golf.
18.09.2022 from DAVID
These are as close to perfect summer tyres that I have come across in more than 50+ years of spirited driving. Wet grip is of great importance, and these tyres are actually AO, which I always purchase, as I understand that grip was paramount in AUDIs requirements. The car is a modified 25th Anniversary model and is fitted with SACHS Race Engineering Coil-Over suspension. The cylinder head has been ported and polished with the motor now producing well over 200 ps.
14.06.2021 from y2kdisease
Car had 20&quot; 245/35r20 runflats in front and 275/30r20 runflats (all MOE) for RWD w213 luxury saloon. The car came with these factory fitted MOE runflat tyres. I&#39;ve Replaced these tyres and wheels at 10600km. I&#39;ve driven 8600km of that mileage. The tyres wore like rubber bands on the 20&quot; wheels. Steering as a result is very precise in both wet and dry. Front 245/30s have sound deadening foam and overall tyre noise is quiet in the cabin (but just wee bit louder than the 18&quot; PS4 tyres I replaced them with). Ride comfort is 8/10 on highways due to air suspension. On chip seal, speed humps, potholed roads ride comfort is 5/10 - there is very abrupt jarring transmitted to cabin due to tyre profile and rims. Wet grip in cold (5&#39;C) and damp country highways was 7/10 at 110km/h speeds - there was some slip noticeable. Dry grip was 8/10 most of the time but with occasional rear traction slips at highway speeds in curves. This combination of tyres and rims is quite poor for a luxury sedan and compliant rides.
06.06.2020 from Chris Farnell
These tyres are great. Low road noise, and surprisingly grippy in the wet. Like really grippy
(35)

Reifentest.com

just  133.87 £
In Stock
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Giti GitiSport S2+
Giti
GitiSport S2+
235/40 R18 95Y XL EVR

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip A Noise emissions 70 dB
just  134.04 £
limited stock
Details
Free shipping **
Kumho WinterCraft WP52
Kumho
Kumho
WinterCraft WP52
235/40 ZR18 95W XL, with rim protectionleiste (FSL)

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 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 438102
10.04.2024 from Margaret Harrison
Holds the road exceptionally in wet weather. Feels very comfortable and safe in all conditions.
(1)

Reifentest.com

just  134.14 £
limited stock
Details
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Giti GitiAllSeason AS2
Giti
GitiAllSeason AS2
235/40 R18 95Y XL

Season

 All-season tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip A Noise emissions 72 dB
just  135.35 £
limited stock
Details
Free shipping **
Pirelli Powergy
Pirelli
Pirelli
Powergy
235/40 R18 95Y XL, with rim protection (MFS)

Season

 Summer tyres
2 - 5 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.

(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 1029019
01.06.2022 from Felix
The loudest tires ever bought in 30 years... I went back to seller who recommended brand and model, he replied is road&#39;s fault... Now after just 2000km I am looking forward to wear them out, as these tires turned a very very quiet car (reason why I bough it) in a rumble of madness on the motorway where grainy asphalt is used for draining water... let me reiterate: the loudest tires ever bought in 30 years !! I am italian and was happy to buy an italian product... after this experience... no more Pirelli... EVER ! There are so many good brands out there. Pirelli if you read this review, I am available to sell back these tires to you immediately. A very unhappy customer.
07.01.2022 from Huggies
Was upgrading wheels so decided to get all new tyres aswell so picked tyres that were of a better make with good properties however they do slip easily on a wet road more than I had expected, give a comfortable ride considering the state of some roads seem to be wearing well although not done a large mileage on these so far, road noise is acceptable, all in all I would say they seem to be a decent tyre overall
(4)

Reifentest.com

just  135.64 £
limited stock
Details
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Vredestein Wintrac Pro+
Vredestein
Vredestein
Wintrac Pro+
235/40 R18 95W XL EVc, with rim protectionleiste (FSL)

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip C Noise emissions 71 dB
just  135.83 £
In Stock
Details
Free shipping **
Lassa Driveways Sport+
Lassa
Lassa
Driveways Sport+
235/40 R18 95Y XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 71 dB
just  136.27 £
limited stock
Details
Free shipping **
Goodyear Eagle F1 Asymmetric 2
Goodyear
Goodyear
Eagle F1 Asymmetric 2
235/40 R18 95Y XL EVR, with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip C Noise emissions 72 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.

(100)
Average based on 100 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 15648696
26.09.2020 from Steve Bez
The ne thing with my car is the torque and how easy it is to get the wheels to lose traction. Coming from Michelin PS2 Sports I thought I would try out the Goodyear. One thing is obvious - the grip is immense. Way better than the PS2&#39;s which were quite old and maybe had hardened up a bit but the GY&#39;s were a fabulous choice and would definitely get again, just hope the Asymmetric 2 remains available. Don&#39;t drive much when wet but still better grip all round from these over the PS2&#39;s.
02.02.2020 from Dave
I was really impressed with these tyres, the volvo v60 D4 is a heavy car with 192bhp 400nm of torque. 235/40/18 Winter has been very wet and i would describe my driving style as quick, with moments of very fast! The grip in all weather conditions is sensational, both dry and wet there is no tyre slip even with a spirited drive. I have also tested the grip limits at low speeds around roundabouts and there is a lot more grip available than i thought there would be in the wet. Tyre life seems good after 4000km and i do mainly a mix of country lanes and dual carriage way day to day. I am very impressed and will buy these tyres again!
08.11.2015 from Ron
Outstanding tyres
06.11.2015 from Kuly
Excelent control and traction in the corners!
(100)

Reifentest.com

just  136.99 £
In Stock
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Pirelli Cinturato All Season SF 3
Pirelli
Pirelli
Cinturato All Season SF 3
235/40 R18 95Y XL, with rim protection (MFS)

Season

 All-season tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 71 dB
just  138.07 £
limited stock
Details
Free shipping **
Continental EcoContact 7 S
Continental
Continental
EcoContact 7 S
235/40 R18 91W EVc, with kerbing rib

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 69 dB
just  138.08 £
limited stock
Details
Free shipping **
Toyo Snowprox S 954
Toyo
Toyo
Snowprox S 954
235/40 R18 95V XL, with rim protectionleiste (FSL)

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip B 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.

(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  138.35 £
limited stock
Details
Free shipping **
There are 28 of 451 tyres displayed
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