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Home  >  225 / 40 18  >  GT Radial  >  GT Radial 225 / 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  GT Radial    225/40  18     

search by size: 10 Results

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Sumitomo HTR Z5
Sumitomo
HTR Z5
225/40 R18 92Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 70 dB
just  94.81 £
limited stock
Details
Pirelli Cinturato All Season SF 3
Pirelli
Pirelli
Cinturato All Season SF 3
225/40 R18 92Y XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  94.83 £
limited stock
Details
Semperit All Season-Grip
Semperit
Semperit
All Season-Grip
225/40 R18 92Y XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  94.86 £
available
Details
Viking WinTech
Viking
Viking
WinTech
225/40 R18 92V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C 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.

(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 3780432
25.02.2023 from Arunas
Very good grip on snow, good on icy roads too, but like most of the winter tyres they a bit slippery on wet road. I’m driving on winter time like on summer so you can imagine what these tyres handling.
30.07.2019 from David bate
Good with more room to spare
30.07.2019 from David bate
Good with more room to spare
(4)

Reifentest.com

just  95.07 £
available
Details
Fortune FSR-701
Fortune
FSR-701
225/40 R18 92Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  95.18 £
limited stock
Details
Giti Winter W2
Giti
Winter W2
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  95.18 £
available
Details
Pirelli Powergy All Season SF 2
Pirelli
Pirelli
Powergy All Season SF 2
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 68 dB
just  95.35 £
available
Details
Nexen N Fera Sport
Nexen
Nexen
N Fera Sport
225/40 R18 92Y XL 4PR

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D 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.

(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 504298
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,
(2)

Reifentest.com

just  95.59 £
available
Details
Vredestein Quatrac Pro 2
Vredestein
Vredestein
Quatrac Pro 2
225/40 R18 92Y XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 68 dB
just  95.62 £
available
Details
Michelin Primacy 5
Michelin
Michelin
Primacy 5
225/40 R18 92Y XL, EV Suitable

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 70 dB
just  95.66 £
available
Details
Toyo Proxes Comfort
Toyo
Toyo
Proxes Comfort
225/40 R18 92W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D 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.

(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 driven 138805
31.08.2023 from Kalin
Bad grip, handling and braking on wet roads
(3)

Reifentest.com

just  95.70 £
available
Details
Sailun Atrezzo 4Seasons Pro
Sailun
Sailun
Atrezzo 4Seasons Pro
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
just  95.81 £
available
Details
Falken AZENIS FK520
Falken
Falken
AZENIS FK520
225/40 R18 92Y XL AO, VCs BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 70 dB
just  95.84 £
available
Details
LASSA Multiways 2
LASSA
Multiways 2
225/40 R18 92W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C 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 10000
(1)

Reifentest.com

just  95.93 £
available
Details
Sebring All Season
Sebring
Sebring
All Season
225/40 R18 92Y XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 70 dB
just  95.98 £
limited stock
Details
Toyo Proxes TR1
Toyo
Toyo
Proxes TR1
225/40 R18 92Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B 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.

(10)
Average based on 10 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 1163340
09.11.2025 from Neil McTear
Far better grip than the Falkens that came with the car, although they still had lots of tread left, they were old and on removal it was found the sidewalls and beads were perished, and were the wrong size. Toyo are current the only manufacturer producing 205/45-15's and these had previously been unavailable for the previous decade, the improvement in both grip and roadholding is impressive, can't comment on wear yet due to limited mileage, fuel consumption difference - I haven't checked.
30.05.2022 from David Hardiman
Huge difference with the new Toyo Tires compared to the older ones I had on the car. These are the best tires I have ever used.
09.12.2019 from Sebastian Dysarski
Good tire soft side wall so corners are average. But overall good price was okay wouldn’t pay more
14.11.2019 from Joe
I drive an SW20 MR2 on (almost) original tyre sizes (Rear 225/50/15 and Front 205/50/15), so my choice is limited. For over a decade I've used the original Proxes as they were pretty good all-rounders and good value. The new version are very good in the dry - communicative and grippy, you can feel the back end start to let go and everything is progressive and fun. However, the tread pattern gives me zero confidence in the wet as the pattern is in a v direction on one side of the car and a ^ direction on the other. Not a mistake, the "Outside" markings insist this way round. This has to have a huge impact on clearing standing water as the tread is reversed on one side of the car, so I have zero confidence in the wet as each side of the car will behave differently. Bring back the old style that were ^ all round please!
(10)

Reifentest.com

just  96.09 £
available
Details
Vredestein Quatrac Pro+
Vredestein
Vredestein
Quatrac Pro+
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  96.29 £
available
Details
Bridgestone Turanza T005
Bridgestone
Bridgestone
Turanza T005
225/40 R18 92Y XL *, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip B Noise emissions 70 dB
just  96.47 £
limited stock
Details
Nexen Winguard Sport 3
Nexen
Nexen
Winguard Sport 3
225/40 R18 92V XL 4PR, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  96.57 £
available
Details
Hankook Ventus evo K137
Hankook
Hankook
Ventus evo K137
225/40 R18 92Y XL 4PR (+) SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 69 dB
just  96.62 £
available
Details
Continental PremiumContact 7
Continental
Continental
PremiumContact 7
225/40 R18 92Y XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  96.75 £
available
Details
Continental ContiSportContact 5
Continental
Continental
ContiSportContact 5
225/40 R18 92Y XL AO1

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D 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.

(10)
Average based on 10 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 6475465
07.01.2022 from John S.
Not a sport tyre. Very disappointment.
26.11.2020 from Alan Burton
Steady, now I'm over 70, with the occasional speed burst for fun. Usually stick to speed limits now.
26.04.2020 from Keith Stagner
Quiet & grips well. Gouges very easily on curbs when parking
27.08.2019 from MIKE
OE FITMENT NEVER HAD A PROBLEM AN EXCELLENT ALL ROUND PERFORMANCE TYRE.
(10)

Reifentest.com

just  96.75 £
available
Details
Continental EcoContact 6
Continental
Continental
EcoContact 6
225/40 R18 92Y XL *, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance A 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.

(20)
Average based on 20 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 9937450
23.09.2024 from Kate L
Excellent driving experience on these tyres. They feel safe, sturdy and solid on the road in heat, heavy rain, slippery roads due to mud, country roads, uneven and good surfaces, I have not yet tried in snow or ice. To any walkers reading this, they feel like vibram soles for my car!
07.08.2024 from peter andrews
tyres only have well below normal 6.5mm tread from new and mine were worn down to 4.1 mm tread after 400 miles plus one developed a bulge. Worst tyres ever only have perhaps 1 years life
07.08.2024 from peter andrews
tyres only have well below normal 6.5mm tread from new and mine were worn down to 4.1 mm tread after 400 miles plus one developed a bulge. Worst tyres ever only have perhaps 1 years life
14.04.2024 from Clive Smith
These tyres are good for grip and average for comfort, but let down on noise levels.
(20)

Reifentest.com

just  96.75 £
available
Details
Pirelli Powergy
Pirelli
Pirelli
Powergy
225/40 R18 92Y XL

Tyre type

 Summer tyres
limited stock
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.

(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 1029019
01.06.2022 from Felix
The loudest tires ever bought in 30 years... I went back to seller who recommended brand and model, he replied is road'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.
07.01.2022 from Huggies
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  96.77 £
limited stock
Details
Toyo Observe S944
Toyo
Toyo
Observe S944
225/40 R18 92W XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 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 1502496
22.01.2026 from Paun Karlos Nenestean
Amazing.....Thx.
(2)

Reifentest.com

just  96.90 £
limited stock
Details
BF Goodrich Advantage
BF Goodrich
BF Goodrich
Advantage
225/40 R18 92Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 70 dB
just  96.91 £
limited stock
Details
Onyx NY-901
Onyx
NY-901
225/40 R18 92W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 72 dB
just  96.95 £
limited stock
Details
Bridgestone Turanza T005
Bridgestone
Bridgestone
Turanza T005
225/40 R18 92Y XL AO, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  97.23 £
available
Details
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