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Home  >  225 / 50 18  >  Sonix  >  Sonix 225 / 50 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  Sonix   225/50  18     

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Toyo Proxes Comfort
Toyo
Toyo
Proxes Comfort
225/50 R18 95W

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet 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 driven138805
31.08.2023fromKalin
Bad grip, handling and braking on wet roads
(3)

Reifentest.com

just  120.29 £
available
Details
Sailun Ice Blazer Alpine Evo1
Sailun
Sailun
Ice Blazer Alpine Evo1
225/50 R18 99V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise 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 driven212499
16.10.2024fromJurijs
One of the best winter tyres I had from year 2007, when I started to drive my own car. Confident driving also with one side on ice, another on dry surface, on wet snow or just wet surface.
(1)

Reifentest.com

just  120.50 £
available
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
225/50 R18 99W XL, EV Suitable

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  121.34 £
available
Details
Nankang Winter Activa SV-3
Nankang
Nankang
Winter Activa SV-3
225/50 R18 99H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  121.37 £
available
Details
HI FLY Vigorous WP801
HI FLY
Vigorous WP801
225/50 R18 95H

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
just  121.53 £
limited stock
Details
Barum Polaris 6
Barum
Barum
Polaris 6
225/50 R18 99V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  121.84 £
available
Details
Nexen Winguard Sport 3
Nexen
Nexen
Winguard Sport 3
225/50 R18 95V 4PR, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  121.89 £
available
Details
Apollo Alnac 4G All Season
Apollo
Apollo
Alnac 4G All Season
225/50 R18 99W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  122.05 £
available
Details
Toyo Celsius AS2
Toyo
Toyo
Celsius AS2
225/50 R18 99W XL

Tyre type

 All-season tyres
available
just  122.17 £
available
Details
Semperit Speed-Grip 5
Semperit
Semperit
Speed-Grip 5
225/50 R18 99V XL, EVc

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  122.20 £
limited stock
Details
Firestone Roadhawk 2
Firestone
Firestone
Roadhawk 2
225/50 R18 99W XL, Enliten / EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise 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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven250294
29.07.2025fromTom
These tyres in my rear wheel drive BMW are grippy in the dry, but leave me yearning for more in the wet. The car will "step-out" if I punch it whilst the road is even midly damp. My tracking was done at the same time as having these fitted so that is not a factor. The car will also step out if the road is more greasy looking.
(1)

Reifentest.com

just  122.40 £
limited stock
Details
Viking WinTech NewGen
Viking
Viking
WinTech NewGen
225/50 R18 99V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  123.32 £
available
Details
Kleber Dynaxer HP 5
Kleber
Kleber
Dynaxer HP 5
225/50 R18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  123.81 £
available
Details
Apollo Aspire 4G+
Apollo
Apollo
Aspire 4G+
225/50 R18 99Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  124.36 £
available
Details
Windforce Catchfors UHP PRO
Windforce
Catchfors UHP PRO
225/50 R18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 71dB
just  124.36 £
available
Details
Nokian Seasonproof 2
Nokian
Nokian
Seasonproof 2
225/50 R18 99W XL Aramid Sidewalls

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  124.47 £
limited stock
Details
Yokohama Advan Sport (V105S)
Yokohama
Yokohama
Advan Sport (V105S)
225/50 R18 95W

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 70dB
just  124.56 £
limited stock
Details
Momo North Pole W-20
Momo
North Pole W-20
225/50 R18 99V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  124.78 £
available
Details
Semperit Speed-Life 3
Semperit
Semperit
Speed-Life 3
225/50 R18 99W XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  125.22 £
available
Details
Toyo Proxes Comfort
Toyo
Toyo
Proxes Comfort
225/50 R18 95W

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet 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 driven138805
31.08.2023fromKalin
Bad grip, handling and braking on wet roads
(3)

Reifentest.com

just  125.93 £
limited stock
Details
Yokohama Advan Sport (V103E)
Yokohama
Yokohama
Advan Sport (V103E)
225/50 R18 95W

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 71dB
just  126.22 £
limited stock
Details
Giti Synergy H2
Giti
Synergy H2
225/50 R18 99W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 71dB
just  126.83 £
available
Details
Momo M-4 FourSeason
Momo
M-4 FourSeason
225/50 R18 99V XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
just  127.82 £
available
Details
GT Radial ClimateActive
GT Radial
GT Radial
ClimateActive
225/50 R18 99W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  127.95 £
available
Details
Kleber Dynaxer HP 5
Kleber
Kleber
Dynaxer HP 5
225/50 R18 95W

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  128.02 £
available
Details
Bridgestone Turanza T005
Bridgestone
Bridgestone
Turanza T005
225/50 R18 95W , EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  129.30 £
available
Details
Toyo Celsius AS2
Toyo
Toyo
Celsius AS2
225/50 R18 99W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  129.58 £
available
Details
Hankook Ventus Prime 4 K135
Hankook
Hankook
Ventus Prime 4 K135
225/50 R18 99W XL

Tyre type

 Summer tyres
limited stock
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  130.11 £
limited stock
Details
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