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Home  >  225 / 40 18  >  Diamondback Tyres  >  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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Vredestein Quatrac Pro+
Vredestein
Vredestein
Quatrac Pro+
225/40 R18 92Y XL EVc, with rim protectionleiste (FSL)

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  € 115.05
 
available
Details
Continental ContiSportContact 5
Continental
Continental
ContiSportContact 5
225/40 R18 92Y XL, with kerbing rib

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 72 dB
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.

(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 6488181
07.01.2022 from John S.
Not a sport tyre. Very disappointment.
26.11.2020 from Alan Burton
Steady, now I&#39;m over 70, with the occasional speed burst for fun. Usually stick to speed limits now.
26.04.2020 from Keith Stagner
Quiet &amp; 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  € 115.19
 
limited stock
Details
Goodyear Eagle F1 Supersport
Goodyear
Goodyear
Eagle F1 Supersport
225/40 R18 92Y XL AO1, EVR, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 70 dB
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 368094
10.01.2020 from BigSwede
The best road tyres I have used. Dry grip -awesome, wet grip - awesome feel/feedback - superb. They make the MPSS look silly, especially in adverse conditions. Can&#39;t recommend them highly enough!!
23.11.2019 from Neil McSwede
These are the best UHP rated tyre available IMO. I&#39;ve used Michelin Pilot Super Sport and Pilot Sport 4 on my M140i and these Goodyear Eagle F1 Super Sport tyres have the beating of them. Fantastic front end grip, progressive rear at limit of adhesion. In the dry the are superb but in the wet they are pretty incredible. Very confidence inspiring meaning you can really push on where with other tyres of this type you&#39;d be backing off. Can&#39;t recommend them highly enough!
(3)

Reifentest.com

just  € 115.19
 
limited stock
Details
Sebring Snow
Sebring
Sebring
Snow
225/40 R18 92V XL

Tyre type

 Winter tyres
limited stock
just  € 115.41
 
limited stock
Details
Goodyear Eagle F1 Supersport
Goodyear
Goodyear
Eagle F1 Supersport
225/40 R18 92Y XL AO, EVR, with rim protection (MFS)

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 69 dB
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 368094
10.01.2020 from BigSwede
The best road tyres I have used. Dry grip -awesome, wet grip - awesome feel/feedback - superb. They make the MPSS look silly, especially in adverse conditions. Can&#39;t recommend them highly enough!!
23.11.2019 from Neil McSwede
These are the best UHP rated tyre available IMO. I&#39;ve used Michelin Pilot Super Sport and Pilot Sport 4 on my M140i and these Goodyear Eagle F1 Super Sport tyres have the beating of them. Fantastic front end grip, progressive rear at limit of adhesion. In the dry the are superb but in the wet they are pretty incredible. Very confidence inspiring meaning you can really push on where with other tyres of this type you&#39;d be backing off. Can&#39;t recommend them highly enough!
(3)

Reifentest.com

just  € 115.48
 
limited stock
Details
Event Admonum 4S
Event
Event
Admonum 4S
225/40 R18 92V XL

Tyre type

 All-season tyres
available
just  € 115.68
 
available
Details
Pirelli Cinturato All Season Plus
Pirelli
Pirelli
Cinturato All Season Plus
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
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.

(11)
Average based on 11 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 1881400
27.05.2023 from Dick E
Long distance motorway driving mainly. No excessive speed, braking or other maneuvering. Little recent experience of real winter conditions.
30.03.2020 from Daniel
Perfect tyres for this country, I am not worrying about winters and raining summer, tyres working superb all season. Quiet and comfortable
18.01.2019 from Maz
Initially not that impressed but after an adjustment period/ bedding in found the tyre to be very consistent in almost all conditions. Only slightly let down in tight roundabout wet conditions (has a tendency to go into very slight understeer) but not always. Tyre performance seems very sensitive to maintaining the correct/ recommended tyre pressures. In recent days the temperature has dropped to just about freezing where these tyres have really started to show their winter biased abilities. Great grip and response ind dry and cold wet conditions. One worthy point to add to potential purchasers is that I thought I had purchased the &quot;seal inside&quot; version but had not. This stock of old and new by tyre suppliers is frustrating. Other than that I would recommend the tyre for the sensible non sporty driver.
(11)

Reifentest.com

just  € 115.76
 
available
Details
Hankook Ventus Prime 4 K135
Hankook
Hankook
Ventus Prime 4 K135
225/40 R18 92W XL 4PR, with rim protection (MFS) SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 69 dB
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.

(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 driven 1106979
15.08.2025 from Donald
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.
12.09.2024 from Michael
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  € 116.22
 
available
Details
Vredestein Quatrac Pro 2
Vredestein
Vredestein
Quatrac Pro 2
225/40 R18 92V XL EVc, with rim protectionleiste (FSL)

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 68 dB
just  € 116.38
 
available
Details
Momo M-4 FourSeason
Momo
M-4 FourSeason
225/40 R18 92Y XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 72 dB
just  € 116.66
 
available
Details
Kapsen K3000
Kapsen
K3000
225/40 R18 92W

Tyre type

 Summer tyres
limited stock
just  € 116.67
 
limited stock
Details
Bestdrive Winter
Bestdrive
Winter
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 72 dB
just  € 116.94
 
available
Details
Toyo Proxes Sport 2
Toyo
Toyo
Proxes Sport 2
225/40 R18 92Y XL, with rim protectionleiste (FSL)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 71 dB
just  € 117.02
 
available
Details
Nordexx WinterSafe 2
Nordexx
WinterSafe 2
225/40 R18 92H XL

Tyre type

 Winter tyres
limited stock
just  € 117.02
 
limited stock
Details
Gripmax Suregrip Pro Winter
Gripmax
Suregrip Pro Winter
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 72 dB
just  € 117.45
 
available
Details
Prinx Winter Excelia
Prinx
Winter Excelia
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  € 117.45
 
available
Details
Starmaxx Maxx Out ST582
Starmaxx
Starmaxx
Maxx Out ST582
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 72 dB
just  € 117.54
 
available
Details
Viking WinTech
Viking
Viking
WinTech
225/40 R18 92V XL EVc, with kerbing rib

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. <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 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&rsquo;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  € 117.56
 
available
Details
Sumitomo HTR Z5
Sumitomo
HTR Z5
225/40 R18 92Y XL, with rim protection (MFS)

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 70 dB
just  € 117.68
 
available
Details
Kenda Wintergen 2 KR501
Kenda
Kenda
Wintergen 2 KR501
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 69 dB
just  € 117.86
 
available
Details
Petlas Snowmaster 2 Sport
Petlas
Petlas
Snowmaster 2 Sport
225/40 R18 92V

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  € 118.33
 
available
Details
Vredestein Quatrac Pro+
Vredestein
Vredestein
Quatrac Pro+
225/40 R18 92Y XL, with rim protectionleiste (FSL)

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  € 118.50
 
limited stock
Details
Taurus Ultra High Performance
Taurus
Taurus
Ultra High Performance
225/40 R18 92W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  € 118.58
 
available
Details
Firestone Winterhawk 4
Firestone
Firestone
Winterhawk 4
225/40 R18 92V XL EVc, with rim protection (MFS)

Tyre type

 Winter tyres
available
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. <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 driven 905730
19.06.2025 from Stuart Johnson
These are an excellent alternative to the Michelin Alpin A3 which I have historically run. They were cracking before wearing out. I needed something that would stick the power of the vehicle and be controllable. These fit the bill admirably.
(1)

Reifentest.com

just  € 118.70
 
available
Details
Momo Toprun M-30 Europa
Momo
Toprun M-30 Europa
225/40 R18 92Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 72 dB
just  € 118.97
 
available
Details
BF Goodrich Advantage All-Season
BF Goodrich
BF Goodrich
Advantage All-Season
225/40 R18 92W XL EV Suitable

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 69 dB
just  € 119.61
 
available
Details
Continental PremiumContact 7
Continental
Continental
PremiumContact 7
225/40 R18 92Y XL EVc, with kerbing rib

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  € 120.26
 
limited stock
Details
Lassa Snoways 4
Lassa
Lassa
Snoways 4
225/40 R18 92V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C Noise emissions 70 dB
just  € 120.62
 
available
Details
There are 28 of 544 tyres displayed
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