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Home  >  235 / 40 18  >  RoadX Tyres  >  RoadX 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:
 
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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  RoadX   235/40  18     

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Hankook Ventus Prime 4 K135
Hankook
Hankook
Ventus Prime 4 K135
235/40 R18 95W XL 4PR SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 69dB
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 driven1106979
15.08.2025fromDonald
These tyres are good value and perform safely and well when used within legal parameters on UK roads. One slight negative is road surfaces can sometimes make tyre noise quite high but other than that I will definitely buy them again.
12.09.2024fromMichael
The tyres were 7/10 when I got them, the wet straight line grip is great the dry performance is above average. Quiet and comfortable tyres. The tyre wear is poor, I had new arms,tie rods, drop links and bushings as well as alignment done afterwards. The tyres showed excessive wear on the edge after only 8000 miles. I always check tyre pressure every week.
(2)

Reifentest.com

just  111.08 £
available
Details
HI FLY Win-Turi 212
HI FLY
Win-Turi 212
235/40 R18 95H XL

Tyre type

 Winter tyres
limited stock
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 driven416338
29.12.2020frombob
These tires are Continental Viking 6 clones (compound, sipes, grooves, pattern, literally everything, compare yourself), branded differently and hence cheaper.... Believe me, these are very good! Buying chinese winter tires is like gambling, you never know how they will perform as the reviews are non existant for the specific tire / brand or very few.... but im here to say, these are maybe the best winter tires ive had... they are not as good as Nordic Friction tires (Nokian Hakkapelitta, well, they are the best Winter tires in the world) but just as good and/or better than the rest honestly.... like Nokian WR D4 or Continental Vik. 6.... infact they are like Continental Vik. 6 clones, you would think they are a fake version of them, but nope, they are just that good.... which is very good...
(1)

Reifentest.com

just  111.12 £
limited stock
Details
Mirage W562
Mirage
W562
235/40 R18 95H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance EWet grip DNoise emissions 72dB
just  111.12 £
available
Details
Pirelli Powergy
Pirelli
Pirelli
Powergy
235/40 R18 95Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
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 driven1029019
01.06.2022fromFelix
The loudest tires ever bought in 30 years... I went back to seller who recommended brand and model, he replied is road'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.
07.01.2022fromHuggies
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  111.59 £
limited stock
Details
Hankook Ventus Prime 3 K125
Hankook
Hankook
Ventus Prime 3 K125
235/40 R18 91W 4PR SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
Client reviews rating:
Client reviews rating

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

(13)
Average based on 13 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 driven8453880
10.10.2021fromMark
Superb grip and feedback from tyre extremely safe handling . Quite
02.12.2020fromRafal
I changed tyres from Conti Premium and I am preete happy with Hankook. It is also a premium tyre.
22.05.2020fromPieter
The biggest problem with these tyres ar that they do not have rip protection. I have been using Hancooks on my previous car, so when looking for tyres for my current car, Hancooks came to mind. I had a better driving experience with the tyres that I replaced.
06.12.2019fromWhite
These tyres give a superb quiet ride. I also have these tyres fitted to the front of my vehicle, which have now completed 45,000 km and the wear is every bit as good as the Michelin tyres they replaced. Although I do not drive in an aggressive manner I have not noticed any detriment in road holding or fuel consumption.
(13)

Reifentest.com

just  112.71 £
available
Details
Nokian Seasonproof 2
Nokian
Nokian
Seasonproof 2
235/40 R18 95Y XL Aramid Sidewalls

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  112.98 £
limited stock
Details
BF Goodrich Advantage
BF Goodrich
BF Goodrich
Advantage
235/40 R18 95Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  113.18 £
limited stock
Details
Windforce Catchfors UHP
Windforce
Catchfors UHP
235/40 R18 95W

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
just  113.39 £
limited stock
Details
New
Continental EcoContact 7 S
Continental
Continental
EcoContact 7 S
235/40 R18 91W , EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 69dB
just  114.18 £
available
Details
LASSA Snoways 4
LASSA
Snoways 4
235/40 R18 95V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 70dB
just  114.93 £
available
Details
Semperit Speed-Life 3
Semperit
Semperit
Speed-Life 3
235/40 R18 95Y XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  114.94 £
limited stock
Details
Kleber Dynaxer HP 5
Kleber
Kleber
Dynaxer HP 5
235/40 R18 91Y

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  114.95 £
available
Details
BF Goodrich Advantage All-Season
BF Goodrich
BF Goodrich
Advantage All-Season
235/40 R18 95W XL, EV Suitable

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 69dB
just  115.49 £
available
Details
Nexen Winguard Sport 2
Nexen
Nexen
Winguard Sport 2
235/40 R18 95V XL 4PR

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
Client reviews rating:
Client reviews rating

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

(13)
Average based on 13 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 driven3990103
17.03.2024fromMr. Terry Brown
When I purchased my vehicle (preowned) it came with Nexen tyres on all four corners. I had to change the two front tyres after a few years and choose Goodyears. Last year I had to change the front tyres again because the Goodyears had worn considerably, whilst still having the same Nexens on the rear of the car since I purchased it. Hence stick with the Nexens. When I need to change the rear tyres I will definitely choose Nexens.
01.06.2023fromRichard Chappell
I was not sure about purchasing these tyres at 1st, but I'm pleased I gave them a go as they have performed brilliantly, Even tyre wear all the way around, kept good shape and performed very well.
10.05.2023fromAndy
Low noise (quieter than the continentals the car had as standard). Good grip all weather tyre. Had several Winguard sports before. Recommended.
19.04.2021fromAlan Bunting
Excellent tyres highly recommend
(13)

Reifentest.com

just  115.61 £
limited stock
Details
Continental UltraContact
Continental
Continental
UltraContact
235/40 R18 95Y XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com 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 driven562176
13.07.2025fromFred Wakeling
Used Tyres on a tour around Europe.
06.09.2024fromNick Georgiou
just after 7months of normal use you see what happened in the photo below. The Continental in greece refused to renew it so i have to pay 160 euros to put a new one. NEVER continental tires again!!!!!!!!!!!!!!!!!
(3)

Reifentest.com

just  115.69 £
limited stock
Details
Maxxis Premitra Snow WP6
Maxxis
Maxxis
Premitra Snow WP6
235/40 R18 95V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 69dB
just  115.77 £
limited stock
Details
Kleber Quadraxer 3
Kleber
Kleber
Quadraxer 3
235/40 R18 95W XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 69dB
just  116.25 £
limited stock
Details
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
235/40 R18 95Y XL, Enliten / EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  116.28 £
limited stock
Details
Dunlop All Season 2
Dunlop
Dunlop
All Season 2
235/40 R18 95W XL BLK

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
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 driven353941
03.08.2026fromNick Speed
The tires are much more supple than the OEM Bridgestone Ecopias. Ride is much improved. Wear seems better. Ecopias have little tread depth. No discernible change in economy. A great tyre and at about half the price. Have already bought another set for the future in case Dunlops become in short supply!
(1)

Reifentest.com

just  116.45 £
available
Details
Toyo Proxes Sport 2
Toyo
Toyo
Proxes Sport 2
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 71dB
just  116.46 £
available
Details
Uniroyal AllSeasonExpert 3
Uniroyal
Uniroyal
AllSeasonExpert 3
235/40 R18 95Y XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  116.59 £
available
Details
Kleber Dynaxer HP 5
Kleber
Kleber
Dynaxer HP 5
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  116.93 £
available
Details
Firestone Winterhawk 4
Firestone
Firestone
Winterhawk 4
235/40 R18 95V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 71dB
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 driven870688
19.06.2025fromStuart Johnson
These are an excellent alternative to the Michelin Alpin A3 which I have historically run. They were cracking before wearing out. I needed something that would stick the power of the vehicle and be controllable. These fit the bill admirably.
(1)

Reifentest.com

just  117.05 £
available
Details
Dunlop Blue Response TG
Dunlop
Dunlop
Blue Response TG
235/40 R18 95W XL, EVs BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 68dB
just  117.24 £
available
Details
Grenlander Icehawke I
Grenlander
Icehawke I
235/40 R18 95V XL

Tyre type

 Winter tyres
available
just  117.69 £
available
Details
Triangle SnowLink PL02
Triangle
Triangle
SnowLink PL02
235/40 R18 95V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip DNoise emissions 72dB
just  120.20 £
limited stock
Details
Sailun Atrezzo R01 Sport
Sailun
Sailun
Atrezzo R01 Sport
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 71dB
just  120.66 £
available
Details
LASSA Revola
LASSA
Revola
235/40 R18 95Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  120.98 £
limited stock
Details
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