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  4. Optimo 235 / 55 18
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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  Optimo  235/55  18   

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Kumho Crugen HP71
Kumho
Kumho
Crugen HP71
235/55 R18 104V XL, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 71dB
List price*  181.48 £
just  129.31 £
limited stock
Details
Free shipping**
Hankook Ventus evo K137A
Hankook
Hankook
Ventus evo K137A
235/55 R18 100V 4PR (+), SUV SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance AWet grip ANoise emissions 68dB
List price*  177.00 £
just  129.65 £
In Stock
Details
Free shipping**
Hankook Ventus S1 Evo 2 K117A
Hankook
Hankook
Ventus S1 Evo 2 K117A
235/55 R18 100V 4PR AO, SUV, with rim protection (MFS) SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip BNoise emissions 67dB
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 driven1187040
07.05.2018frommolkosaki
OK concerning all aspects - Except NOISE. Really bad ! Not in the topline other Comfort-aspects. But ok. The noise level on the Swedish often very coarse asphalt is horrible-I will have too change tyres. In comparison with the 17&quot; wintertyres -friction- the soundlevel is extremely different-VERY FAR FROM ACCEPTABLE. Strange-when you look att the EU db figures (68 db) , but that must be a value on an extremely smooth Surface. The noisiest tire I ever had !
(4)

Reifentest.com

List price*  175.00 £
just  129.79 £
In Stock
Details
Free shipping**
Kormoran All Season SUV
Kormoran
Kormoran
All Season SUV
235/55 R18 104V XL

Season

 All-season tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance CWet grip DNoise emissions 68dB
just  129.92 £
limited stock
Details
Free shipping**
Hankook Ventus S1 Evo 2 K117A
Hankook
Hankook
Ventus S1 Evo 2 K117A
235/55 R18 100V 4PR SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance EWet grip BNoise emissions 69dB
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 driven1187040
07.05.2018frommolkosaki
OK concerning all aspects - Except NOISE. Really bad ! Not in the topline other Comfort-aspects. But ok. The noise level on the Swedish often very coarse asphalt is horrible-I will have too change tyres. In comparison with the 17&quot; wintertyres -friction- the soundlevel is extremely different-VERY FAR FROM ACCEPTABLE. Strange-when you look att the EU db figures (68 db) , but that must be a value on an extremely smooth Surface. The noisiest tire I ever had !
(4)

Reifentest.com

just  130.08 £
In Stock
Details
Free shipping**
Hankook Dynapro HPX (RA43)
Hankook
Hankook
Dynapro HPX (RA43)
235/55 R18 100V 4PR SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 71dB
List price*  180.50 £
just  130.15 £
In Stock
Details
Free shipping**
Laufenn I Fit+ LW31
Laufenn
I Fit+ LW31
235/55 R18 104H XL 4PR, with rim protection (MFS) SBL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance DWet grip CNoise emissions 72dB
List price*  180.50 £
just  130.23 £
limited stock
Details
Free shipping**
Dunlop Sport Response
Dunlop
Dunlop
Sport Response
235/55 R18 100V BLK

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip BNoise emissions 69dB
List price*  200.00 £
just  130.46 £
In Stock
Details
Free shipping**
Nankang Cross Seasons AW-6 SUV
Nankang
Nankang
Cross Seasons AW-6 SUV
235/55 R18 104V XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 72dB
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 driven712572
27.12.2024fromIan
Tyres seem fine no problems so far. Have not had a chance to test on snow.
27.05.2022fromYetibob
15 yrs driving instructor 42yrs driving experience 45 yrs motorcyclist
07.08.2020fromJoe
Excellent wet braking, good snow traction. Dry grip isn&#39;t bad but definitely not as good as a summer tyre with more meat in contact with the road. Relatively noisy tread pattern audible around town when the windows are down. Will vary from vehicle to vehicle. Had these on for six months and covered around 12500 miles / 20k Km. No issues.
(3)

Reifentest.com

just  130.47 £
In Stock
Details
Free shipping**
Hankook Ventus S1 Evo 3 EV K127E
Hankook
Hankook
Ventus S1 Evo 3 EV K127E
235/55 R18 100V 4PR AO, EV SBL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance AWet grip BNoise emissions 71dB
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 driven155208
29.01.2022fromStefan Ralinov
Felt the car very stable and quiet straight away when i put the tires.Only cons i think is the durability on dry road. Great tires on other hand. Worth the money. Would recomend!
(1)

Reifentest.com

List price*  215.50 £
just  130.53 £
limited stock
Details
Free shipping**
Hankook Dynapro HP2 RA33
Hankook
Hankook
Dynapro HP2 RA33
235/55 R18 100H 4PR SBL

Season

Highway Terrain Tyres

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 70dB
List price*  175.50 £
just  130.70 £
In Stock
Details
Free shipping**
Maxxis Premitra Snow WP6 SUV
Maxxis
Maxxis
Premitra Snow WP6 SUV
235/55 R18 104V XL, with rim protection ridge (FSL)

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip BNoise emissions 69dB
just  130.75 £
In Stock
Details
Free shipping**
Kormoran All Season SUV
Kormoran
Kormoran
All Season SUV
235/55 R18 100V

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip DNoise emissions 68dB
just  130.94 £
In Stock
Details
Free shipping**
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
235/55 R18 104V XL SUV, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip ANoise emissions 70dB
just  130.98 £
In Stock
Details
Free shipping**
Firestone Winterhawk 4
Firestone
Firestone
Winterhawk 4
235/55 R18 104V XL EVc

Season

 Winter tyres
2 - 4 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip BNoise emissions 71dB
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 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

List price*  205.50 £
just  131.09 £
In Stock
Details
Free shipping**
Hankook Ventus evo K137A
Hankook
Hankook
Ventus evo K137A
235/55 ZR18 104Y XL 4PR SUV, with rim protection (MFS) SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip ANoise emissions 70dB
List price*  181.00 £
just  131.21 £
In Stock
Details
Free shipping**
Sebring Snow
Sebring
Sebring
Snow
235/55 R18 104H XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 72dB
just  131.29 £
limited stock
Details
Free shipping**
Vredestein Quatrac Pro+
Vredestein
Vredestein
Quatrac Pro+
235/55 R18 104V XL EVc, with rim protection ridge (FSL)

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip BNoise emissions 72dB
List price*  181.00 £
just  131.54 £
In Stock
Details
Free shipping**
Hankook Dynapro HP2 RA33
Hankook
Hankook
Dynapro HP2 RA33
235/55 R18 100H 4PR SBL

Season

Highway Terrain Tyres

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 70dB
List price*  175.50 £
just  131.57 £
limited stock
Details
Free shipping**
Three-A Ecosaver
Three-A
Ecosaver
235/55 R18 104V

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance CWet grip CNoise emissions 72dB
just  131.58 £
limited stock
Details
Free shipping**
Hankook Ventus Prime 3X K125A
Hankook
Hankook
Ventus Prime 3X K125A
235/55 R18 100V 4PR with rim protection (MFS) SBL

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance AWet grip ANoise emissions 68dB
List price*  175.00 £
just  131.69 £
In Stock
Details
Free shipping**
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
235/55 R18 100V EV Suitable, SUV, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip ANoise emissions 70dB
just  132.45 £
In Stock
Details
Free shipping**
Hankook Ventus Prime 4 K135A
Hankook
Hankook
Ventus Prime 4 K135A
235/55 R18 104V XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip ANoise emissions 69dB
List price*  171.50 £
just  132.72 £
In Stock
Details
Free shipping**
Bridgestone Turanza All season 6
Bridgestone
Bridgestone
Turanza All season 6
235/55 R18 104V XL Enliten / EV, with rim protection (MFS)

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance BWet grip BNoise emissions 70dB
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 driven410904
06.09.2025fromZoran
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)

Reifentest.com

List price*  189.00 £
just  132.86 £
In Stock
Details
Free shipping**
Pirelli Powergy
Pirelli
Pirelli
Powergy
235/55 R18 104V XL

Season

 Summer tyres
1 - 2 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance BWet grip ANoise emissions 71dB
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 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&#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.
07.01.2022fromHuggies
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  133.84 £
limited stock
Details
Free shipping**
Pirelli Cinturato All Season Plus
Pirelli
Pirelli
Cinturato All Season Plus
235/55 R18 104V XL, with rim protection (MFS)

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance CWet grip BNoise emissions 72dB
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.

(11)
Average based on 11 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 driven1881400
27.05.2023fromDick E
Long distance motorway driving mainly. No excessive speed, braking or other maneuvering. Little recent experience of real winter conditions.
30.03.2020fromDaniel
Perfect tyres for this country, I am not worrying about winters and raining summer, tyres working superb all season. Quiet and comfortable
18.01.2019fromMaz
Initially not that impressed but after an adjustment period/ bedding in found the tyre to be very consistent in almost all conditions. Only slightly let down in tight roundabout wet conditions (has a tendency to go into very slight understeer) but not always. Tyre performance seems very sensitive to maintaining the correct/ recommended tyre pressures. In recent days the temperature has dropped to just about freezing where these tyres have really started to show their winter biased abilities. Great grip and response ind dry and cold wet conditions. One worthy point to add to potential purchasers is that I thought I had purchased the &quot;seal inside&quot; version but had not. This stock of old and new by tyre suppliers is frustrating. Other than that I would recommend the tyre for the sensible non sporty driver.
(11)

Reifentest.com

just  134.05 £
In Stock
Details
Free shipping**
Laufenn S Fit 2 LK12A
Laufenn
S Fit 2 LK12A
235/55 R18 100V 4PR SUV, with rim protection (MFS) SBL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance CWet grip ANoise emissions 71dB
List price*  152.00 £
just  134.21 £
limited stock
Details
Free shipping**
Bridgestone Turanza T005AD
Bridgestone
Bridgestone
Turanza T005AD
235/55 R18 100V AO, Enliten / EV

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance AWet grip BNoise emissions 71dB
List price*  202.50 £
just  134.26 £
In Stock
Details
Free shipping**
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