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  4. Seiberling 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  Seiberling  235/40  18   

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Grenlander Icehawke I
Grenlander
Icehawke I
235/40 R18 95V XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
just  80.40 £
In Stock
Details
Free shipping **
Ilink Multimatch A/S
Ilink
Multimatch A/S
235/40 ZR18 95W XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 69 dB
just  80.44 £
In Stock
Details
Free shipping **
Zmax WinterHawke I
Zmax
WinterHawke I
235/40 R18 95V XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 70 dB
just  80.56 £
limited stock
Details
Free shipping **
Tracmax Trac Saver
Tracmax
Trac Saver
235/40 ZR18 95Y XL

Season

 All-season tyres
2 - 5 working days delivery time
In 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 930810
10.04.2025 from Ivan
This is a worst tyre i ever drive! On the wet road is very dangerious!
(1)

Reifentest.com

just  80.63 £
In Stock
Details
Free shipping **
Evergreen EU72
Evergreen
Evergreen
EU72
235/40 R18 95W XL

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
just  80.76 £
In Stock
Details
Free shipping **
Landspider Snowtraxx HP
Landspider
Snowtraxx HP
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  80.86 £
In Stock
Details
Free shipping **
Maxxis Premitra 6
Maxxis
Maxxis
Premitra 6
235/40 R18 95Y XL, with rim protectionleiste (FSL)

Season

 Summer tyres
2 - 4 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 72 dB
just  80.99 £
In Stock
Details
Free shipping **
Marshal Matrac MU12
Marshal
Marshal
Matrac MU12
235/40 ZR18 95Y XL

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
just  81.28 £
In Stock
Details
Free shipping **
Delinte AW6
Delinte
Delinte
AW6
235/40 R18 95Y XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  81.45 £
In Stock
Details
Free shipping **
Minerva All Season Master
Minerva
Minerva
All Season Master
235/40 R18 95Y XL

Season

 All-season tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C 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.

(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 882935
15.09.2025 from Harry Up
Gute Reifen, siehe meine Sternebewertung. Warum ich hier schreibe, hat einen anderen Grund. Der Reifen hat EU Label B f&uuml;r N&auml;sseeigenschaften, was bedeutet, dass der Reifen bei N&auml;sse gut ist. Das trifft meiner Meinung nach zu, er ist gut. Gut ist besser als durchschnittlich und logischweise deutlich besser, als schlecht. Es gibt x Tests, die etwas anderes als das EU Label behaupten und sagen, er sei schlecht. Meine Bitte daher, wer auch immer zust&auml;ndig ist: entweder das EU Label ist Unfug, oder die Tests. Beides passt bei diesen Reifen nicht zusammen. Vielleicht fallen sie auch sehr unterschiedlich aus oder passen zu manchen Autos gar nicht. Also nochmal mein pers&ouml;nliches Fazit: ich suchte g&uuml;nstige Reifen mit Berge Label, also offizielle Winterreifen, die bei N&auml;sse gut sind. Meine Wahl fiel auf diese Reifen und sie war richtig. Ich kann die Reifen empfehlen.
02.01.2023 from Ion
I have already 12000 km with this tires and the feeling is very good, even drove with 130 on highway on light rain without any problems, drove on ice roads and it was ok. I gave 4 stars on the show grip because I did not test them yet on show... but overall are very good!
(3)

Reifentest.com

just  81.48 £
limited stock
Details
Free shipping **
Lanvigator Excite
Lanvigator
Excite
235/40 ZR18 95Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  81.52 £
In Stock
Details
Free shipping **
Taurus Winter
Taurus
Taurus
Winter
235/40 R18 95V XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip C Noise emissions 72 dB
just  81.59 £
limited stock
Details
Free shipping **
Wanli SC501
Wanli
Wanli
SC501
235/40 ZR18 95Y XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 70 dB
just  82.28 £
In Stock
Details
Free shipping **
Nankang Noble Sport NS-20
Nankang
Nankang
Noble Sport NS-20
235/40 ZR18 95W XL, with rim protection (MFS)

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.

(25)
Average based on 25 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 9951256
16.11.2025 from Sith
These tyres were absolutely poor on my BMW. The car felt like alignment was off and the car had no stability, going above 60mph was a very scary experience. I removed them and put back my old continentals with 1mm tread and tested because people claimed my alignment was off, but no, it was these tyres they are terrible - nankang ns20. I removed and sold and bought a pair of pirelli p zero
24.03.2024 from Christopher
Fitted to a 140bhp front whee drive car. Taking into account these are a budget tyre, grip in the dry is good and spirited driving can be accommodated safely. Tyre in the wet is good but no tyre is safe on the limit in the wet. Because of my low mileage I cannot comment on the rate of wear but must be realistic, after all it is a budget product.
26.02.2021 from David Finlay
I was sceptical about the quality of these Nankang tyres, when I bought them I was influenced by the price, but I have been pleasantly surprised by the grip level both in the dry and wet. I like to drive quickly but not dangerously and I have felt when the tyres have been close to their limit, which is a big plus point. My only complaint would be they do tend to follow tracks in the road, but they are quite wide.
13.12.2020 from Andrew Williams
For the price I think you will struggle to find a better tyre.
(25)

Reifentest.com

just  82.58 £
In Stock
Details
Free shipping **
Matador Hectorra 5
Matador
Matador
Hectorra 5
235/40 R18 91Y EVc, with kerbing rib

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 71 dB
just  82.65 £
limited stock
Details
Free shipping **
Taurus Summer 3
Taurus
Taurus
Summer 3
235/40 ZR18 95Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 71 dB
just  82.78 £
In Stock
Details
Free shipping **
Goodride SW618
Goodride
Goodride
SW618
235/40 R18 95V XL Nordic Compound, with rim protection (MFS)

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip E 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 119800
23.05.2021 from Igors borovkovs
Im lorry driver
(1)

Reifentest.com

just  82.81 £
In Stock
Details
Free shipping **
Ovation VI-788 AS
Ovation
Ovation
VI-788 AS
235/40 R18 95V XL

Season

 All-season tyres
2 - 4 working days delivery time
limited stock
just  83.24 £
limited stock
Details
Free shipping **
Kapsen K3000
Kapsen
K3000
235/40 R18 95W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 71 dB
just  83.28 £
In Stock
Details
Free shipping **
Ovation VI-788 AS
Ovation
Ovation
VI-788 AS
235/40 R18 95V XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
just  83.28 £
In Stock
Details
Free shipping **
Tomket Sport 3
Tomket
Sport 3
235/40 R18 95W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  83.61 £
In Stock
Details
Free shipping **
Sentury Seasonsdragon 2
Sentury
Seasonsdragon 2
235/40 ZR18 95W XL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  83.80 £
In Stock
Details
Free shipping **
Zeetex HP1000
Zeetex
Zeetex
HP1000
235/40 ZR18 95Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
just  84.15 £
In Stock
Details
Free shipping **
Nordexx NS9000
Nordexx
NS9000
235/40 R18 95W XL

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
just  84.18 £
limited stock
Details
Free shipping **
Three-A P606
Three-A
P606
235/40 ZR18 95W XL

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
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 151503
28.01.2025 from Paulo Casalta
Fairly good on dry roads, let you know in advance when you are pushing near its limits (they &ldquo;scream&rdquo; loud and clear); the braking is pretty good also On wet roads they are a pain in the butt: lots of wheel spinning (yes, in a Sharan!! Looks like a fwd sports car) whenever you want to put the car in motion, loads of &ldquo;fun&rdquo; on the curves and aquaplanning guaranteed. Braking not that bad Would buy again because of the price IF it didn&rsquo;t rain!! &#x1F602;
(2)

Reifentest.com

just  84.24 £
limited stock
Details
Free shipping **
Zmax X-Super 88
Zmax
X-Super 88
235/40 ZR18 95W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 70 dB
just  84.25 £
In Stock
Details
Free shipping **
Minerva F205
Minerva
Minerva
F205
235/40 ZR18 95Y XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
just  85.12 £
limited stock
Details
Free shipping **
Trazano SW608
Trazano
Trazano
SW608
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 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.

(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 1306800
(3)

Reifentest.com

just  85.21 £
In Stock
Details
Free shipping **
There are 28 of 451 tyres displayed
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