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Home  >  225 / 40 18  >  Diamondback  >  Diamondback 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:
 
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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  Diamondback   225/40  18     

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Firestone Multiseason 2
Firestone
Firestone
Multiseason 2
225/40 R18 92Y XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  € 89.55
 
available
Details
Viking FourTech Plus
Viking
Viking
FourTech Plus
225/40 R18 92Y XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  € 89.56
 
available
Details
Roadhog RGAS02
Roadhog
RGAS02
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  € 89.68
 
available
Details
Maxxis Premitra Snow WP6
Maxxis
Maxxis
Premitra Snow WP6
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 70dB
just  € 89.82
 
available
Details
Goodyear Eagle F1 Asymmetric 5
Goodyear
Goodyear
Eagle F1 Asymmetric 5
225/40 R18 92Y XL, EVR

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 71dB
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.

(54)
Average based on 54 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 driven6819201
23.09.2022fromJames g
Fuel consumption high
07.02.2022fromSpiros
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.
31.12.2021fromStuart
Big improvement on the OEM fitted brand. More refined, quieter and more confident grip in both wet and dry. Fitted full set; 215/45R17 in front and 245/40R17 in rear, as standard spec. Only driven on road (A and B roads and some motorway), no tracking. Hard to fault for this purpose.
16.07.2021fromRok Sharma
I drive fast and furious when required or slow and deliberate in slow traffic! I used these tyres on my 5 series BMW 525iSE and were superb! Now on Mrs Peugeot 308 hdi and pretty good!
(54)

Reifentest.com

just  € 90.20
 
available
Details
Zeetex HP2000
Zeetex
Zeetex
HP2000
225/40 R18 92Y XL

Tyre type

 Summer tyres
available
just  € 90.27
 
available
Details
Viking WinTech NewGen
Viking
Viking
WinTech NewGen
225/40 R18 92V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 90.31
 
available
Details
Leao I-Green Allseason
Leao
Leao
I-Green Allseason
225/40 R18 92V XL

Tyre type

 All-season tyres
available
just  € 90.63
 
available
Details
Matador MP93 Nordicca
Matador
Matador
MP93 Nordicca
225/40 R18 92V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 90.82
 
available
Details
Avon AS7 All Season
Avon
Avon
AS7 All Season
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 70dB
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.

(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 driven36000
23.04.2024fromAndy moore
My car has the DSG gearbox and on normal tyres was useless in snow, I fitted these tyres and it was usable on the one occasion we had snow. It&rsquo;s also better in frosty weather and the tyres give good grip in the dry and seem to be wearing well, very pleased so far
13.11.2023fromSTEPHANE
Good all season tyres for a daily use, a little bit weak on snow, but i have mild winter. A good surprise on wet, good aquaplaning safety margin. And with my driving style, the wear in front wheels is still uniformed. The only problem is that these tyres are now very hard to find in France, and there was at 56 euros each on june 2022, 83 euros each nowadays...
13.08.2023fromWarren
Tyres are quiet on the road, good breaking and grip in the wet
(4)

Reifentest.com

just  € 90.98
 
available
Details
Trazano ZuperEco Z-107
Trazano
Trazano
ZuperEco Z-107
225/40 R18 92W XL

Tyre type

 Summer tyres
available
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven0
02.05.2022fromRay
These Trazano Z107 tyres were initially adequate as budget tyres but over time they have become noisy at speed and wet grip is now atrocious - with 5mm of tread still on the tyre. A regrettable purchase. I will revert to my usual Pirelli Cinturato which performed admirably right down to the tread wear markers. Lesson learned.
(1)

Reifentest.com

just  € 91.06
 
available
Details
Goodride SW608
Goodride
Goodride
SW608
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip CNoise emissions 72dB
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.

(112)
Average based on 112 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 driven59953236
29.04.2024fromPeter
This was the second time I have purchased this set of winter tyres. Winter 2023 I drove across Czech republic where a heavy snowfall suprised us on the way. With those tyres absolutely no problem, felt safe.
26.04.2024fromHamish Reid
Able drive through dry snow &gt;15cm and on incline. Had one drive on wet snow that was up to 15cm in depth which only had minor slipping.
09.05.2022fromEamon Quirke
All good &#x1F44D;
12.01.2022fromLee cook
Tyres have performed well so far it&#39;s still early January so haven&#39;t been able to test their performance in the snow yet but they feel reasuring in the wet the car needed tyres when we brought it so a wear comparison will be difficult but I expect then to wear quicker than standard tyres as the compound is bound to be softer on a winter tyre
(112)

Reifentest.com

just  € 91.17
 
available
Details
RoadX WU01
RoadX
WU01
225/40 R18 92H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance EWet grip CNoise emissions 72dB
just  € 91.28
 
available
Details
Crosswind Grip Peak Winter
Crosswind
Grip Peak Winter
225/40 R18 92W XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 72dB
just  € 91.48
 
available
Details
New
Cooper Summer
Cooper
Cooper
Summer
225/40 R18 92Y XL, EVR

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 70dB
just  € 92.00
 
available
Details
Novex WIN 5D
Novex
Novex
WIN 5D
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 70dB
just  € 92.23
 
available
Details
CEAT WinterDrive
CEAT
CEAT
WinterDrive
225/40 R18 92V XL

Tyre type

 Winter tyres
available
just  € 92.25
 
available
Details
Arivo Ultra ARZ-4
Arivo
Ultra ARZ-4
225/40 R18 92W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 70dB
just  € 92.26
 
available
Details
Yokohama BluEarth-4S AW21
Yokohama
Yokohama
BluEarth-4S AW21
225/40 R18 92W XL BluEarth

Tyre type

 All-season 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. <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 driven2100061
15.04.2024fromPhil Gillender
Had little snow this year but felt very stable good in wet.No problem s so far
19.02.2021fromRick 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!
23.01.2021fromViorel
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.
(3)

Reifentest.com

just  € 92.27
 
available
Details
Sailun Atrezzo 4Seasons Pro
Sailun
Sailun
Atrezzo 4Seasons Pro
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
just  € 92.56
 
available
Details
Trazano IceMaster Spike Z-506
Trazano
Trazano
IceMaster Spike Z-506
225/40 R18 92T XL studded

Tyre type

 Winter tyres
limited stock
just  € 92.98
 
limited stock
Details
Maxtrek Trek M7
Maxtrek
Maxtrek
Trek M7
225/40 R18 92H XL Nordic Compound

Tyre type

 Winter tyres
available
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 driven201000
13.03.2015fromJonathan
Worst tyre I've ever had. Despite only being on rear axle of fwd car, it seriously upset the steering. Very noisy (whiny) and took 10% off fuel economy. Did help in snow but awful in wet and dry. It's more like an off road tyre. Very good wear (unfortunately!) as only lost 1.5mm over 16000 km. had to replace them as felt unsafe.
(1)

Reifentest.com

just  € 92.99
 
available
Details
GT Radial SportActive2 Evo
GT Radial
GT Radial
SportActive2 Evo
225/40 R18 92Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 69dB
just  € 93.03
 
available
Details
Roadstone Eurovis Sport 4
Roadstone
Roadstone
Eurovis Sport 4
225/40 R18 92W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven25000
(1)

Reifentest.com

just  € 93.16
 
available
Details
Roadstone Eurovis Sport 4
Roadstone
Roadstone
Eurovis Sport 4
225/40 R18 92Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 69dB
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven25000
(1)

Reifentest.com

just  € 93.60
 
available
Details
GT Radial SportActive 2
GT Radial
GT Radial
SportActive 2
225/40 R18 92Y XL, EV Ready

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ANoise emissions 69dB
just  € 93.77
 
available
Details
Fortuna Eco Plus 2 4S
Fortuna
Fortuna
Eco Plus 2 4S
225/40 R18 92W XL

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 68dB
just  € 94.09
 
limited stock
Details
Yokohama BluEarth-ES (ES32A)
Yokohama
Yokohama
BluEarth-ES (ES32A)
225/40 R18 92W XL BluEarth

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 68dB
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.

(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 driven1157085
24.07.2025fromMatthew A McCrae
These tyres give me everything I ever needed from a tyre. Not only are they brilliant in the open road. The confidence they allow when cornering is quite remarkable. I have learned to trust them as I do the Michelins on my motorcycle.
22.07.2024fromMike Greenfield
Excellent amount of grip yet keeping some subtlety even though they are 32psi as recommended. Tyre wear seems reasonable given the performance level and economy appears as good as any. I would buy these again when it becomes necessary. Excellent!
12.04.2024fromMr Badger
We already had two of these tyres fitted to the car so when the other two needed replacing we matched them. They perform well in all conditions wear evenly and are good value. Would definitely buy again for a small city car.
14.02.2021fromJay Smith
Spirited &amp; fast
(5)

Reifentest.com

just  € 94.17
 
available
Details
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