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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  Radar  315/40  21   

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Prices include VAT and delivery within Ireland

Radar Dimax Winter
Radar
Radar
Dimax Winter
315/40 R21 115W XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 75 dB
just  179.07 £
In Stock
Details
Free shipping **
Show all the tyres in the selected size
RoadX RXQuest Sport SUV
RoadX
RXQuest Sport SUV
315/40 R21 115W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 73 dB
just  124.76 £
In Stock
Details
Free shipping **
Sailun Atrezzo ZSR2 SUV
Sailun
Sailun
Atrezzo ZSR2 SUV
315/40 R21 115Y XL with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 74 dB
just  132.21 £
In Stock
Details
Free shipping **
Minerva Ecospeed 2 SUV
Minerva
Minerva
Ecospeed 2 SUV
315/40 R21 115Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  136.78 £
In Stock
Details
Free shipping **
Imperial Ecosport SUV
Imperial
Imperial
Ecosport SUV
315/40 R21 115Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  141.80 £
In Stock
Details
Free shipping **
Ilink L-Zeal 56
Ilink
L-Zeal 56
315/40 R21 115V XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 73 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 1200
(2)

Reifentest.com

just  144.92 £
limited stock
Details
Free shipping **
Grenlander Icehawke II
Grenlander
Icehawke II
315/40 R21 115H XL

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 71 dB
just  153.36 £
In Stock
Details
Free shipping **
Nankang Cross Sport SP-9
Nankang
Nankang
Cross Sport SP-9
315/40 ZR21 111Y, with rim protection (MFS)

Season

Highway Terrain Tyres

 Summer tyres
2 - 4 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 74 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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 304795
01.01.2022 from D Lawrence
Tyres perform well
(2)

Reifentest.com

just  158.65 £
In Stock
Details
Free shipping **
Tracmax X Privilo RS-01 Plus
Tracmax
X Privilo RS-01 Plus
315/40 R21 115Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  163.36 £
In Stock
Details
Free shipping **
Dynamo Street-H Pursuit SUV
Dynamo
Street-H Pursuit SUV
315/40 R21 115W XL SUV

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 73 dB
just  163.66 £
limited stock
Details
Free shipping **
Grenlander Icehawke II
Grenlander
Icehawke II
315/40 R21 115H

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 71 dB
just  172.08 £
In Stock
Details
Free shipping **
Gripmax SureGrip Pro Sport
Gripmax
SureGrip Pro Sport
315/40 R21 115Y XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 75 dB
just  172.23 £
In Stock
Details
Free shipping **
Arivo Ultra ARZ-5
Arivo
Ultra ARZ-5
315/40 R21 115V XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 73 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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 18000
(1)

Reifentest.com

just  176.74 £
limited stock
Details
Free shipping **
Momo North Pole W-20
Momo
North Pole W-20
315/40 R21 115V XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 75 dB
just  186.30 £
limited stock
Details
Free shipping **
Sonix Winter Xpro 999
Sonix
Winter Xpro 999
315/40 R21 115H XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 71 dB
just  186.92 £
limited stock
Details
Free shipping **
Zmax WinterHawke II
Zmax
WinterHawke II
315/40 R21 115H XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 71 dB
just  191.82 £
limited stock
Details
Free shipping **
Accelera Iota ST-68
Accelera
Accelera
Iota ST-68
315/40 R21 115W XL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 72 dB
just  206.50 £
limited stock
Details
Free shipping **
Nankang Cross Sport SP-9
Nankang
Nankang
Cross Sport SP-9
315/40 ZR21 111Y, with rim protection (MFS)

Season

Highway Terrain Tyres

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 74 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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 304795
01.01.2022 from D Lawrence
Tyres perform well
(2)

Reifentest.com

just  209.37 £
In Stock
Details
Free shipping **
Kustone Passion P9S
Kustone
Passion P9S
315/40 ZR21 111W XL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 73 dB
just  213.14 £
In Stock
Details
Free shipping **
Arivo Winmaster ARW 5
Arivo
Winmaster ARW 5
315/40 R21 115H XL

Season

 Winter tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip D Noise emissions 71 dB
just  216.11 £
limited stock
Details
Free shipping **
Hankook Ventus evo K137A
Hankook
Hankook
Ventus evo K137A
315/40 ZR21 115Y XL 4PR SUV, with rim protection (MFS) SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 71 dB
List price*  366.50 £
just  236.78 £
In Stock
Details
Free shipping **
Yokohama Geolandar X-CV (G057)
Yokohama
Yokohama
Geolandar X-CV (G057)
315/40 R21 115W XL, RPB

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip B Noise emissions 74 dB
List price*  448.00 £
just  241.68 £
limited stock
Details
Free shipping **
Hankook Ventus S1 Evo 3 K127A
Hankook
Hankook
Ventus S1 Evo 3 K127A
315/40 ZR21 115Y XL 4PR SUV, with rim protection (MFS) SBL

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 75 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 173026
03.09.2025 from Russ
The Tyres give good grip and little noise. They grip Well in the dry and seem ok in wet
(1)

Reifentest.com

List price*  366.50 £
just  244.97 £
limited stock
Details
Free shipping **
Vredestein Ultrac Pro
Vredestein
Vredestein
Ultrac Pro
315/40 ZR21 (115Y) XL EVc, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 72 dB
List price*  343.50 £
just  246.13 £
limited stock
Details
Free shipping **
Toyo Proxes Sport
Toyo
Toyo
Proxes Sport
315/40 R21 111Y SUV, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C 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.

(17)
Average based on 17 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 1048344
20.10.2023 from Paul Schofield
I&rsquo;ve never had these tyres, they were cancelled as you emailed explaining they had been returned to the warehouse
02.02.2022 from Dave parker
Replaced all 4 tyres Goodyear Eagle 1 for the Toyo Price sport due to the the fact that Goodyears were old 9 years and they had become stiff and the flexibility of the rubber had become poor ride lack of grip and dangerous in the wet. Having said that our car is only showing 50,000 miles so we only run it like you are supposed to is sun out top down. Now with the new Toyo sports we feel safer with much more predictable feel and grip would definitely recommend these tyres especially when on promotion and would buy again but as I said we don&#39;t do many miles and will probably replace these not because of wear but down to age related issues like we had to with F1 s but must say the As 3 is like a different.car for the better.
20.11.2020 from Alex
Most of the miles i am driving on motorway but i drive in town too. I can&#39;t say nothing wrong about this tyres. Very pleased with them. Tge tyres are not noisy, very comfortable, very good grip in dry and wet conditions. Very good quality overall for 108&pound; each tyre considering the size 255/45/19. My next set of tyres will definitely be the same, TOYO Proxes Sport.
19.04.2020 from alec stevenson
Tyres feel grippy and safe in all conditions. Wear rate is reasonable . Ride comfort and noise ok , and better than previous premium tyres.
(17)

Reifentest.com

just  252.78 £
In Stock
Details
Free shipping **
Yokohama Advan Sport (V107) SUV
Yokohama
Yokohama
Advan Sport (V107) SUV
315/40 ZR21 (115Y) XL RPB

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance D Wet grip A Noise emissions 73 dB
List price*  465.00 £
just  254.71 £
limited stock
Details
Free shipping **
Yokohama Advan Sport (V105T)
Yokohama
Yokohama
Advan Sport (V105T)
315/40 R21 111Y RPB

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance D Wet grip A Noise emissions 72 dB
List price*  435.00 £
just  258.08 £
In Stock
Details
Free shipping **
Goodyear Eagle F1 Asymmetric 6
Goodyear
Goodyear
Eagle F1 Asymmetric 6
315/40 R21 115Y XL EVR, with rim protection (MFS)

Season

 Summer tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance B 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.

(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&#39;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 &pound;250 cheaper than the PS5s; but more or less neck &amp; 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  259.49 £
limited stock
Details
Free shipping **
There are 28 of 67 tyres displayed
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** Prices include VAT and delivery within mainland UK (excl. Scottish Highlands).

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