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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  Federal   225/40  18     

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Kumho Ecsta PS71 XRP
Kumho
Kumho
Ecsta PS71 XRP
225/40 ZR18 88Y 4PR, run-flat

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 71dB
just  155.60 £
limited stock
Details
Davanti Protoura Race
Davanti
Protoura Race
225/40 ZR18 92W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 69dB
just  155.62 £
limited stock
Details
Laufenn S Fit EQ+ LK01
Laufenn
S Fit EQ+ LK01
225/40 ZR18 92Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  160.14 £
available
Details
Kumho Solus 4S HA32
Kumho
Kumho
Solus 4S HA32
225/40 ZR18 92Y XL

Tyre type

 All-season tyres
limited stock
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 driven879376
15.07.2025fromMr Hall
Kumho tyres always seem very good in all areas &amp; at a fair price. We went for the All Season Solus as my partner is a care worker &amp; out in literally all conditions.
14.04.2024fromDavid McCarthy
Second time I have bought these tyres. Just changed car and it has bigger wheels but will buy again if they come in right size
(3)

Reifentest.com

just  161.55 £
limited stock
Details
Laufenn S Fit EQ+ LK01
Laufenn
S Fit EQ+ LK01
225/40 ZR18 92Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  164.41 £
available
Details
Michelin Pilot Sport Cup 2
Michelin
Michelin
Pilot Sport Cup 2
225/40 ZR18 92(Y) XL, EV Suitable

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 70dB
just  188.76 £
available
Details
Michelin Pilot Sport Cup 2
Michelin
Michelin
Pilot Sport Cup 2
225/40 ZR18 92(Y) XL A11, EV Suitable

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 70dB
just  197.63 £
limited stock
Details
Massimo Ottima P1
Massimo
Ottima P1
225/40 ZR18 92W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 70dB
just  216.96 £
available
Details
Bridgestone Potenza Race
Bridgestone
Bridgestone
Potenza Race
225/40 ZR18 92(Y) XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 70dB
just  227.92 £
limited stock
Details
Pirelli P Zero Trofeo R
Pirelli
Pirelli
P Zero Trofeo R
225/40 ZR18 92(Y) XL N0

Tyre type

Supersport Road

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 71dB
just  403.70 £
limited stock
Details
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