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Home  >  255 / 55 18  >  Diamondback  >  Diamondback 255 / 55 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   255/55  18     

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GT Radial SportActive 2
GT Radial
GT Radial
SportActive 2
255/55 R18 109Y XL, EV Ready

Tyre type

 Summer tyres
available
just  € 137.53
 
available
Details
Kenda Wintergen 2 SUV KR504
Kenda
Kenda
Wintergen 2 SUV KR504
255/55 R18 109V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  € 137.67
 
available
Details
Firemax FM518
Firemax
FM518
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 137.68
 
available
Details
Double Star DW02
Double Star
Double Star
DW02
255/55 R18 105S

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  € 137.85
 
available
Details
Falken AZENIS FK520
Falken
Falken
AZENIS FK520
255/55 R18 109Y XL, VCs BLK

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 70dB
just  € 138.69
 
available
Details
Greentrac Winter Master D1
Greentrac
Winter Master D1
255/55 R18 109V XL

Tyre type

 Winter tyres
limited stock
just  € 138.80
 
limited stock
Details
Antares Majoris R1
Antares
Majoris R1
255/55 R18 105V

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 139.08
 
available
Details
Grenlander Greenwing A/S
Grenlander
Greenwing A/S
255/55 R18 105V

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 139.40
 
available
Details
Riken SUV Snow
Riken
Riken
SUV Snow
255/55 R18 109V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 139.60
 
available
Details
Firestone Roadhawk 2
Firestone
Firestone
Roadhawk 2
255/55 R18 109Y 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  € 139.66
 
limited stock
Details
Imperial SnowDragon SUV
Imperial
Imperial
SnowDragon SUV
255/55 R18 109H XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 140.08
 
limited stock
Details
Zeetex WH1000 SUV
Zeetex
Zeetex
WH1000 SUV
255/55 R18 109V XL, SUV

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  € 140.23
 
limited stock
Details
Tristar Sportpower
Tristar
Tristar
Sportpower
255/55 R18 109W XL, SUV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise 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.

(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 driven330976
04.12.2018fromMichael
Surprising amount of wheelspin from standstill in wet for 4wd suv. Also feels like the side walls are floppy on full lock However we have not driven the car with other tyres so nothing to compare against.
03.11.2018fromPete
Have been very pleasantly surprised as to haw good the Tristar Tyers have been I drive a mix of roads Motorway A road and country roads and the tyers have proformed very well in the dry and also in the wet.
(3)

Reifentest.com

just  € 140.48
 
limited stock
Details
AUSTONE Athena SP-303
AUSTONE
Athena SP-303
255/55 R18 109V XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  € 141.04
 
limited stock
Details
Ovation VI-386 HP
Ovation
Ovation
VI-386 HP
255/55 R18 109W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip DNoise emissions 73dB
just  € 141.20
 
available
Details
Yokohama BluEarth-Winter (V906) SUV
Yokohama
Yokohama
BluEarth-Winter (V906) SUV
255/55 R18 109V XL BluEarth

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 73dB
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 driven668808
(1)

Reifentest.com

just  € 141.38
 
available
Details
Sailun Atrezzo ZSR
Sailun
Sailun
Atrezzo ZSR
255/55 R18 109V XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet 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 driven220690
20.12.2019fromGareth
Our other car is a kuga and if I was reviewing it on that it would be a differant review however given the car has over 300lb/ft of torque these aren't the tyres you want on the rears (they were on the car when I bought it). In the wet the traction control light is a permenant fixture if I get spirited and corners can be challenging if taken with some gusto so in short on a focus or an Astra fine but something with a bit of oomph I would pass on them and spend a bit more. You'll only end up taking them off
(1)

Reifentest.com

just  € 141.97
 
available
Details
Pace Impero
Pace
Pace
Impero
255/55 R18 109W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 73dB
just  € 143.04
 
limited stock
Details
Yokohama Geolandar A/T (G015)
Yokohama
Yokohama
Geolandar A/T (G015)
255/55 R18 109H XL

Tyre type

A/T Reifen

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance EWet grip CNoise emissions 72dB
just  € 143.23
 
limited stock
Details
Petlas Explero PT431 H/T
Petlas
Petlas
Explero PT431 H/T
255/55 R18 109V XL

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 71dB
just  € 144.00
 
limited stock
Details
Hankook Winter i*cept evo3 X W330A
Hankook
Hankook
Winter i*cept evo3 X W330A
255/55 R18 109V XL 4PR SBL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 73dB
just  € 144.05
 
available
Details
Taurus Winter
Taurus
Taurus
Winter
255/55 R18 109V XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  € 146.29
 
limited stock
Details
Unigrip Lateral Force 4S
Unigrip
Unigrip
Lateral Force 4S
255/55 R18 109W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  € 146.46
 
available
Details
Sailun Ice Blazer Alpine Evo
Sailun
Sailun
Ice Blazer Alpine Evo
255/55 R18 109V XL

Tyre type

 Winter tyres
available
just  € 146.53
 
available
Details
Fulda Kristall Control SUV
Fulda
Fulda
Kristall Control SUV
255/55 R18 109H XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise 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 driven453901
(1)

Reifentest.com

just  € 146.69
 
limited stock
Details
Kenda Kenetica 4S SUV KR609
Kenda
Kenda
Kenetica 4S SUV KR609
255/55 R18 109W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  € 147.52
 
available
Details
Trazano SU318 H/T
Trazano
Trazano
SU318 H/T
255/55 R18 109V XL

Tyre type

H/T Reifen

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  € 148.04
 
limited stock
Details
Falken EUROALL SEASON AS220PRO
Falken
Falken
EUROALL SEASON AS220PRO
255/55 R18 109W XL, VCs BLK

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  € 148.22
 
available
Details
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