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Home  >  255 / 45 20  >  Sonix Tyres  >  Sonix 255 / 45 20
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    255/45  20     

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Trazano SA37 Sport
Trazano
Trazano
SA37 Sport
255/45 R20 105W XL, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
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 driven 488484
17.02.2021 from Mr James Shone
Quite frankly I thought they wouldn't be as good as certain high end brands but to my surprise and delight they are better, the grip really well aren't loud and do the job, fuel consumption wise they are on par with my Goodyear and continental tyres I've had in the past and at least half the price
(1)

Reifentest.com

just  176.54 £
available
Details
Giti Control P80
Giti
Control P80
255/45 R20 101W run-flat

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  177.57 £
limited stock
Details
Toyo Proxes Sport 2
Toyo
Toyo
Proxes Sport 2
255/45 R20 105Y XL, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  177.69 £
available
Details
Hankook Ventus S1 Evo 3 EV K127E
Hankook
Hankook
Ventus S1 Evo 3 EV K127E
255/45 R20 101T 4PR AO, (+), with rim protection (MFS) SBL, EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip A Noise emissions 70 dB
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 driven 155208
29.01.2022 from Stefan 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

just  178.00 £
available
Details
Barum Polaris 6
Barum
Barum
Polaris 6
255/45 R20 105V XL EVc, with kerbing rib

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 73 dB
just  178.12 £
limited stock
Details
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
255/45 R20 101T (+), with rim protection (MFS), Enliten / EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip B Noise emissions 68 dB
just  178.51 £
available
Details
GT Radial ClimateActive
GT Radial
GT Radial
ClimateActive
255/45 R20 105W XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  178.53 £
limited stock
Details
Kumho Ecsta PS71 EV
Kumho
Kumho
Ecsta PS71 EV
255/45 R20 101V 4PR with rim protectionleiste (FSL), EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 71 dB
just  178.60 £
limited stock
Details
Laufenn G Fit 4S LH71
Laufenn
G Fit 4S LH71
255/45 R20 105W XL 4PR, with rim protection (MFS) SBL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
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 driven 114144
(1)

Reifentest.com

just  179.64 £
limited stock
Details
Matador Hectorra 5
Matador
Matador
Hectorra 5
255/45 R20 105Y XL EVc, with kerbing rib

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  180.40 £
available
Details
Nexen Winguard Sport 3
Nexen
Nexen
Winguard Sport 3
255/45 R20 105V XL 4PR EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  180.43 £
available
Details
Bridgestone Alenza Sport A/S
Bridgestone
Bridgestone
Alenza Sport A/S
255/45 R20 105T XL, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 72 dB
just  180.77 £
available
Details
Barum Bravuris 6
Barum
Barum
Bravuris 6
255/45 R20 101W EVc, with kerbing rib

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 72 dB
just  180.97 £
limited stock
Details
Tercelo Frost Bite TW01
Tercelo
Frost Bite TW01
255/45 R20 101H

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip D Noise emissions 73 dB
just  181.69 £
available
Details
Nexen Winguard Sport 2 SUV
Nexen
Nexen
Winguard Sport 2 SUV
255/45 R20 105V XL 4PR

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 73 dB
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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 1220474
12.01.2022 from Ali
Very good
20.05.2020 from Marcin
I had nexen tyres before but summer one. I'm happy with the winter tyres is a good choice and value. Haven't tried yet on the snow. I will buy it again.
(2)

Reifentest.com

just  182.76 £
available
Details
CEAT WinterDrive Sport
CEAT
CEAT
WinterDrive Sport
255/45 R20 105W XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  183.05 £
available
Details
Yokohama Advan Sport (V107E)
Yokohama
Yokohama
Advan Sport (V107E)
255/45 R20 105Y XL *

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip A Noise emissions 67 dB
just  184.84 £
available
Details
Yokohama BluEarth-4S AW21
Yokohama
Yokohama
BluEarth-4S AW21
255/45 R20 105W XL BluEarth

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
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 driven 2121582
15.04.2024 from Phil Gillender
Had little snow this year but felt very stable good in wet.No problem s so far
19.02.2021 from Rick von Horvath
Such an amazing tyre from Yokohama. Equally as good, if not better, than both Uniroyal and Yokohama winter tyres that I have used in the past. So much quieter too than winter tyres. Top rated traction on both snow and ice. I have passed taxi drivers and over enthusiastic prestige German car drivers trying to go up steep snow covered hills as the Yokohama BluEarth-4S AW21 just kept on going with confidence and tenacious grip. I would swear blind that my humble Skoda Octavia Combi was a 4 x 4 rather than FWD! I understand that this tyre is TUV Sud approved and I can totally as to understand why. Such good valve tyres so go and purchase some, you will not regret it!
23.01.2021 from Viorel
Surprisingly good grip on wet road and stability. Compares very well with my previous premium brand, season dedicated. Price considered, very happy, would buy again.
(4)

Reifentest.com

just  184.97 £
available
Details
Goodride Solmax 1 ZRT
Goodride
Goodride
Solmax 1 ZRT
255/45 R20 105W XL, with rim protection (MFS), run-flat

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  185.15 £
limited stock
Details
Kumho Ecsta PS71 EV
Kumho
Kumho
Ecsta PS71 EV
255/45 R20 101V 4PR with rim protectionleiste (FSL), EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 71 dB
just  185.54 £
available
Details
Apollo Aspire 4G+
Apollo
Apollo
Aspire 4G+
255/45 R20 105Y XL, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  185.76 £
limited stock
Details
Yokohama Advan Winter V907
Yokohama
Yokohama
Advan Winter V907
255/45 R20 105V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  187.00 £
available
Details
Toyo Observe EWS1
Toyo
Toyo
Observe EWS1
255/45 R20 105V XL, with rim protectionleiste (FSL)

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  187.35 £
available
Details
Hankook Ventus S1 Evo 3 EV K127E
Hankook
Hankook
Ventus S1 Evo 3 EV K127E
255/45 R20 101T 4PR AO, with rim protection (MFS) SBL, EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip B Noise emissions 69 dB
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 driven 155208
29.01.2022 from Stefan 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

just  189.77 £
available
Details
Nexen N Fera Sport SUV
Nexen
Nexen
N Fera Sport SUV
255/45 R20 105V XL 4PR

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
Client reviews rating:
Client reviews rating

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

(5)
Average based on 5 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 894900
27.08.2026 from Chris J
Driving mostly continental major routes to Spain 4 times a year Grip handling and comfort are excellent Tyre wear is very good with the last set completing 48000 miles and only changed then due to outer edge perishing, sun being the culpritI suspect
27.08.2026 from Chris J
This is my second set of Nexen Fera Sport. They are excellent and generally very quiet. Grip is excellent and wear very good. Fuel consumption is 64mpg on a motorway run and 57 in local driving. The first set lasted for 48000miles and were only changed due to outside edge perishing!
27.08.2026 from Chris J
This car generally completes short commuting runs in all weathers. Grip is excellent and wear good. Outer edge perishing has been an issue with the previous set but that aside very happy
06.10.2022 from John
Handling it depends from road quality, but never excellent. Steering feeling is good. Breaking on dry roads insufficient, ABS function even in middle breaking situations. Very low noise,
(5)

Reifentest.com

just  191.64 £
available
Details
Goodyear Eagle F1 Asymmetric 6
Goodyear
Goodyear
Eagle F1 Asymmetric 6
255/45 R20 105V XL, EDR

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip A Noise emissions 70 dB
Client reviews rating:
Client reviews rating

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

(57)
Average based on 57 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 8343440
07.10.2023 from Simon Hall
Amazing tyres, grip is excellent, comfort and noise are excellent. the only thing i can fault is that the wear isn't anything special. Down to 4mm after 6000 miles. My tyre size is 245/35R18 but tyretest will not let me add the correct size above.
10.08.2023 from DanB
Excellent tyres chosen via the reviews by Jon @ tyrereviews.co.uk - they faired very well against the likes of the Michelin PS5s and at the time of buying (Feb2023) the Goodyears were £250 cheaper than the PS5s; but more or less neck & neck with them in the tyre review! That swung the decision for me, more so with the money saving!
23.09.2022 from James g
Fuel consumption high
07.02.2022 from Spiros
Car Driven : BMW 425D 225Hp . Quite quietly from the start until the first 10,000 km they kept a relatively low noise level until the end of their lives. Relatively comfortable especially considering that is a runflat tire. The tire tread still retains its original groove and design but has significant wear points on both edge and there are some small tire detachments. In the few rains we have in Greece it never had a hadling problem or breaking and did not create any feeling of insecurity. in short it is a good quiet tire ROF tire, comfortable and efficient in fast driving.
(57)

Reifentest.com

just  191.89 £
limited stock
Details
Michelin Primacy 4
Michelin
Michelin
Primacy 4
255/45 R20 101V EV Suitable, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 70 dB
Client reviews rating:
Client reviews rating

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

(16)
Average based on 16 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 7683417
08.09.2025 from Spiros
Overall good tyres, sidewall is a bit too flexy and it gives very vague steering feel. The rubber is resistant to wear and can handle repeated hot laps up to 5-10 then they start to lose grip. Quite fun tyre and very safe for normal road driving.
24.06.2024 from Andrei Jescu
Verry good tyres , nice grip on wet roads , on mud , any test has pass done and easy , so happy with it and will buy soon again
29.04.2022 from Sean H
These Michelin tires Have excellent grip and wear extremely well my last set I got 70000 km before they needed replacing.
24.04.2022 from Mark jones
Mitchlin primacy 4 sp1 98w 215/55/r17 front worn past limit after 15k miles
(16)

Reifentest.com

just  192.53 £
available
Details
Yokohama BluEarth-Winter (V906)
Yokohama
Yokohama
BluEarth-Winter (V906)
255/45 R20 105V XL BluEarth

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  192.72 £
limited stock
Details
There are 28 of 195 tyres displayed
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