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Home  >  315 / 40
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.
 
x
Original equipment quality: optimum adjustment to the vehicle
Tyres with a special OEM marking on the sidewall, e.g. "MO" for Mercedes-Benz, were developed in cooperation with a specific car manufacturer and the tyre industry. These tyres have been homologated by the vehicle manufacturer and are a perfect match for a specific model. They have been specially designed to highlight or further improve the performance characteristics of the car in question, thus representing the culmination of a state-of-the-art fine-tuning process that perfectly complements the latest technological developments in the automotive industry. Tyres with manufacturer's markings can of course also be used on other vehicles.
 

Our offer for  315/40   

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Prices include VAT and delivery within Ireland

Goodyear UltraGrip Performance 3
Goodyear
Goodyear
UltraGrip Performance 3
315/40 R21 115V XL, EVR

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU 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.

(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 driven 550480
30.05.2026 from Fraser
Have tried lots of different snow tyres over years and put these on my 3 series touring to replace the Pirelli zero&rsquo;s. If anything I thought they ran quieter than the zero&rsquo;s and plenty of grip in both dry and wet conditions. Used the in snow as well and kept everything moving which is all you want from a snow tyre.
15.01.2026 from James
As my Volvo is a rear wheel drive automatic I always use winter tyres. Previously had Goodyear ultra grip 9 and still have them on the front. New Goodyear ultra grip 3 on rear. We&#39;re great in the recent snow, where front wheel drives were getting stuck, no doubt on summer tyres.
11.01.2025 from Andy Duff
An extremely sure-footed winter tyre that blurs the transition from my summer to winter wheels. As good as it gets.
(3)

Reifentest.com

just  330.89 £
limited stock
Details
Nankang Cross Sport SP-9
Nankang
Nankang
Cross Sport SP-9
315/40 ZR21 111Y

Tyre type

H/T Reifen

 Summer tyres
available
EU Tyre Label
EU 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  156.99 £
available
Details
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
315/40 R21 111Y , Enliten / EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 72 dB
just  250.63 £
limited stock
Details
Falken AZENIS FK520
Falken
Falken
AZENIS FK520
315/40 R21 115Y XL, VCs BLK

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  238.95 £
limited stock
Details
Michelin Pilot Sport 4 SUV
Michelin
Michelin
Pilot Sport 4 SUV
315/40 ZR21 115(Y) XL NC0, EV Suitable

Tyre type

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

(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 373000
15.09.2024 from Timbo
Vast improvement in all areas compared to the Dunlops that came off. Particularly comfort and noise are extremely good! Fuel consumption is better, and they&#39;re a good looking tyre also! :-)
(1)

Reifentest.com

just  322.02 £
available
Details
Yokohama Geolandar X-CV (G057)
Yokohama
Yokohama
Geolandar X-CV (G057)
315/40 R21 115W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 74 dB
just  243.91 £
limited stock
Details
Hankook Ventus evo K137A
Hankook
Hankook
Ventus evo K137A
315/40 ZR21 115Y XL 4PR, SUV SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  227.53 £
available
Details
Tracmax X Privilo RS-01 Plus
Tracmax
X Privilo RS-01 Plus
315/40 R21 115Y XL

Tyre type

 Summer tyres
limited stock
just  112.21 £
limited stock
Details
Accelera Iota ST-68
Accelera
Accelera
Iota ST-68
315/40 R21 115W XL

Tyre type

 Summer tyres
limited stock
just  114.69 £
limited stock
Details
AUSTONE Athena SP-303
AUSTONE
Athena SP-303
315/40 R21 111Y

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 74 dB
just  115.67 £
limited stock
Details
Kustone Passion P9S
Kustone
Passion P9S
315/40 ZR21 111W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  117.91 £
available
Details
Tristar Sportpower
Tristar
Tristar
Sportpower
315/40 ZR21 115Y XL, SUV

Tyre type

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

(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 330976
04.12.2018 from Michael
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.
03.11.2018 from Pete
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  117.98 £
available
Details
RoadX RXQuest Sport SUV
RoadX
RXQuest Sport SUV
315/40 R21 115W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  123.30 £
available
Details
Pace Impero
Pace
Pace
Impero
315/40 R21 111Y

Tyre type

 Summer tyres
limited stock
just  126.34 £
limited stock
Details
Imperial Ecosport SUV
Imperial
Imperial
Ecosport SUV
315/40 R21 115Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  132.57 £
available
Details
Lanvigator Catch Power Plus
Lanvigator
Catch Power Plus
315/40 R21 115Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  154.31 £
limited stock
Details
Ilink L-Zeal 56
Ilink
L-Zeal 56
315/40 R21 115V XL

Tyre type

 Summer tyres
limited stock
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  154.93 £
limited stock
Details
Gripmax SureGrip Pro Sport
Gripmax
SureGrip Pro Sport
315/40 R21 115Y XL

Tyre type

 Summer tyres
available
just  157.01 £
available
Details
Dynamo Street-H Pursuit SUV
Dynamo
Street-H Pursuit SUV
315/40 R21 115W XL, SUV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  158.55 £
available
Details
Sailun Atrezzo ZSR2 SUV
Sailun
Sailun
Atrezzo ZSR2 SUV
315/40 R21 115Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 74 dB
just  167.07 £
limited stock
Details
Windforce Catchfors UHP PRO
Windforce
Catchfors UHP PRO
315/40 R21 115Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  178.32 £
limited stock
Details
Arivo Ultra ARZ-5
Arivo
Ultra ARZ-5
315/40 R21 115V XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU 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  181.42 £
limited stock
Details
Sonix Winter Xpro 999
Sonix
Winter Xpro 999
315/40 R21 115H XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip D Noise emissions 71 dB
just  194.25 £
limited stock
Details
Nankang Cross Sport SP-9
Nankang
Nankang
Cross Sport SP-9
315/40 ZR21 111Y

Tyre type

H/T Reifen

 Summer tyres
available
EU Tyre Label
EU 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  204.87 £
available
Details
Arivo Winmaster ARW 5
Arivo
Winmaster ARW 5
315/40 R21 115H XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip D Noise emissions 71 dB
just  214.39 £
limited stock
Details
New
Vredestein Ultrac Pro
Vredestein
Vredestein
Ultrac Pro
315/40 ZR21 115(Y) XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 72 dB
just  239.52 £
limited stock
Details
Hankook Ventus S1 Evo 3 K127A
Hankook
Hankook
Ventus S1 Evo 3 K127A
315/40 ZR21 115Y XL 4PR, SUV SBL

Tyre type

 Summer tyres
available
EU Tyre Label
EU 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

just  244.10 £
available
Details
Yokohama Ice Guard G075
Yokohama
Yokohama
Ice Guard G075
315/40 R21 115Q XL Nordic Compound

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip E Noise emissions 73 dB
just  244.11 £
limited stock
Details
There are 28 of 64 tyres displayed
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Prices include VAT and delivery within mainland UK (excl. Scottish Highlands).

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