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Home  >  315 / 35 21  >  RoadX Tyres  >  RoadX 315 / 35 21
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  RoadX   315/35  21     

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Pirelli P Zero PZ4 SC
Pirelli
Pirelli
P Zero PZ4 SC
315/35 R21 111Y XL PNCS *

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance DWet 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.

(15)
Average based on 15 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 driven2702975
18.09.2022fromDAVID
These are as close to perfect summer tyres that I have come across in more than 50+ years of spirited driving. Wet grip is of great importance, and these tyres are actually AO, which I always purchase, as I understand that grip was paramount in AUDIs requirements. The car is a modified 25th Anniversary model and is fitted with SACHS Race Engineering Coil-Over suspension. The cylinder head has been ported and polished with the motor now producing well over 200 ps.
14.06.2021fromy2kdisease
Car had 20" 245/35r20 runflats in front and 275/30r20 runflats (all MOE) for RWD w213 luxury saloon. The car came with these factory fitted MOE runflat tyres. I've Replaced these tyres and wheels at 10600km. I've driven 8600km of that mileage. The tyres wore like rubber bands on the 20" wheels. Steering as a result is very precise in both wet and dry. Front 245/30s have sound deadening foam and overall tyre noise is quiet in the cabin (but just wee bit louder than the 18" PS4 tyres I replaced them with). Ride comfort is 8/10 on highways due to air suspension. On chip seal, speed humps, potholed roads ride comfort is 5/10 - there is very abrupt jarring transmitted to cabin due to tyre profile and rims. Wet grip in cold (5'C) and damp country highways was 7/10 at 110km/h speeds - there was some slip noticeable. Dry grip was 8/10 most of the time but with occasional rear traction slips at highway speeds in curves. This combination of tyres and rims is quite poor for a luxury sedan and compliant rides.
06.06.2020fromChris Farnell
These tyres are great. Low road noise, and surprisingly grippy in the wet. Like really grippy
12.06.2019fromTony Galloni
I have used Pirelli P Zeros for about 15 yrs and they are a great tyre
(15)

Reifentest.com

just  295.23 £
limited stock
Details
Hankook Winter i*cept evo3 X W330A
Hankook
Hankook
Winter i*cept evo3 X W330A
315/35 R21 111W XL 4PR SBL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 75dB
just  296.53 £
limited stock
Details
Yokohama Ice Guard G075
Yokohama
Yokohama
Ice Guard G075
315/35 R21 111Q XL Nordic Compound

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip ENoise emissions 73dB
just  299.82 £
available
Details
Goodyear UltraGrip Ice 3
Goodyear
Goodyear
UltraGrip Ice 3
315/35 R21 111T XL Nordic Compound

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ENoise emissions 73dB
just  309.59 £
limited stock
Details
Toyo Proxes Sport
Toyo
Toyo
Proxes Sport
315/35 R21 111Y XL, SUV

Tyre type

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

(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 driven1026254
20.10.2023fromPaul Schofield
I’ve never had these tyres, they were cancelled as you emailed explaining they had been returned to the warehouse
02.02.2022fromDave 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'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.
20.11.2020fromAlex
Most of the miles i am driving on motorway but i drive in town too. I can'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£ each tyre considering the size 255/45/19. My next set of tyres will definitely be the same, TOYO Proxes Sport.
19.04.2020fromalec 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  322.00 £
limited stock
Details
Pirelli P Zero PZ4 LS Run Flat
Pirelli
Pirelli
P Zero PZ4 LS Run Flat
315/35 R21 111Y XL *, run-flat

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 69dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com 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 driven19002
(2)

Reifentest.com

just  336.24 £
available
Details
Michelin Pilot Sport 4 SUV
Michelin
Michelin
Pilot Sport 4 SUV
315/35 R21 111Y XL, EV Suitable

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 74dB
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 driven373000
15.09.2024fromTimbo
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're a good looking tyre also! :-)
(1)

Reifentest.com

just  341.15 £
available
Details
Vredestein Wintrac Pro
Vredestein
Vredestein
Wintrac Pro
315/35 R21 111W XL

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.

(16)
Average based on 16 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 driven1053057
13.12.2025fromMsh
I have used vredestein snow tyres for 35 years they are amazing now I don’t change them and use them all the time they last about 30000miles
09.11.2025fromTony Jenkins
I drive across Europe on many different roads. I’ve used this tyre on several different cars. It’s excellent
04.05.2025fromTim Morgan
So much more secure in all adverse driving conditions heavy rain slush and packed snow in north of Scotland. Superior in all aspects compared with OE tyre but must always have steering assistance with these new minis disabled
13.09.2024fromPhilip Purvis
These tyres are a long lasting winter tyre which I keep on the car all year, so far I haven't driven on snow with them but have been on the car all summer, normally a time when winter tyres wear more.
(16)

Reifentest.com

just  347.75 £
available
Details
Pirelli Scorpion Verde All-Season
Pirelli
Pirelli
Scorpion Verde All-Season
315/35 R21 111V XL N0

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip CNoise emissions 70dB
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com offers over 430 000 tests firsthand - from consumers for consumers.

(26)
Average based on 26 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 driven5328924
06.01.2020fromLes Davies
Tyres perform really well in all conditions but I scuffed 2 of them on the kerb part of the tyre wall just peeled off and left a gap 4cm wide and about 5 cm deep the rim of the tyre seems too soft this part of the tyre provides little or no protection for the alloy wheel . Dissatisfied with this aspect of the tyre. And these are not cheap tyres!
03.07.2019fromWill
Smooth and comfort
07.05.2019fromAndrew Cole
Since putting these tyres on my SUV ive noticed its handles its self extremely well in the corners at speed . Road noise is a lot less quiter than my previous tyre "Nexen Roadian" Only thing ive marked it down for is in the snow as i have not driven in any snow at all no snow this year . I would definitely buy these tyres again .
20.06.2015fromRogers-Lewis
Not tested in winter conditions yet. Reports received re good winter tyres is reason purchased.
(26)

Reifentest.com

just  371.34 £
limited stock
Details
Michelin Pilot Sport 4 SUV ZP
Michelin
Michelin
Pilot Sport 4 SUV ZP
315/35 R21 111Y XL *, EV Suitable FR, run-flat

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 75dB
just  389.16 £
available
Details
Nokian Hakkapeliitta R5 SUV
Nokian
Nokian
Hakkapeliitta R5 SUV
315/35 R21 111T XL Aramid Sidewalls Nordic Compound

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip DNoise emissions 73dB
just  433.14 £
available
Details
Nokian Hakkapeliitta 10
Nokian
Nokian
Hakkapeliitta 10
315/35 R21 111T XL Aramid Sidewalls, SUV studded

Tyre type

 Winter tyres
available
just  439.41 £
available
Details
Pirelli Scorpion Winter Run Flat
Pirelli
Pirelli
Scorpion Winter Run Flat
315/35 R21 111V XL *, run-flat

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 70dB
just  602.58 £
available
Details
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