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  4. Windforce 275 / 45 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:
 
/
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  Windforce  275/45  21   

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Nokian Powerproof 2
Nokian
Nokian
Powerproof 2
275/45 R21 110Y XL Aramid Sidewalls, 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 70 dB
List price*  317.50 £
just  208.56 £
In Stock
Details
Free shipping **
Hankook Ventus S1 Evo 3 K127A
Hankook
Hankook
Ventus S1 Evo 3 K127A
275/45 ZR21 110Y 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 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
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*  302.50 £
just  209.73 £
In Stock
Details
Free shipping **
Pirelli Scorpion Zero All Season
Pirelli
Pirelli
Scorpion Zero All Season
275/45 R21 110W XL LR, PNCS, with rim protection (MFS)

Season

 Summer tyres
1 - 2 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance A Wet grip B 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.

(5)
Average based on 5 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 356148
26.06.2026 from Richard
Very happy with the tyres, no complaints
17.04.2024 from Dave Wightman
The new tyres improved the grip both in wet and dry conditions, which was noticeable immediately. There was also some marginal improvement in fuel consumption. There was no test on snow.
(5)

Reifentest.com

List price*  390.00 £
just  210.85 £
limited stock
Details
Free shipping **
Nankang Winter Activa SV-3
Nankang
Nankang
Winter Activa SV-3
275/45 R21 110V XL, SUV, with rim protection (MFS)

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
just  211.80 £
In Stock
Details
Free shipping **
Roadcruza RA1100
Roadcruza
RA1100
275/45 R21 113/110S

Season

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

(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 421848
21.05.2024 from Scott
Worse tyre ive had in the wet, very dangerous round round abouts and after 40,000km there nearly worn out
(2)

Reifentest.com

just  213.29 £
In Stock
Details
Free shipping **
Comforser CF1100
Comforser
CF1100
LT275/45 R21 113/110S 10PR RWL

Season

All Terrain Tyres

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip E Noise emissions 75 dB
just  214.02 £
In Stock
Details
Free shipping **
Lassa Competus H/P 3
Lassa
Lassa
Competus H/P 3
275/45 R21 110Y XL EV Ready

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 71 dB
just  214.63 £
In Stock
Details
Free shipping **
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
275/45 R21 107V SUV

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 72 dB
just  214.84 £
In Stock
Details
Free shipping **
Bridgestone Potenza Sport Evo
Bridgestone
Bridgestone
Potenza Sport Evo
275/45 ZR21 (110Y) XL Enliten / EV, 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 73 dB
List price*  335.00 £
just  216.08 £
In Stock
Details
Free shipping **
Pirelli Scorpion Zero All Season
Pirelli
Pirelli
Scorpion Zero All Season
275/45 R21 110Y XL LR, PNCS

Season

 Summer tyres
1 - 2 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance A Wet grip B 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.

(5)
Average based on 5 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 356148
26.06.2026 from Richard
Very happy with the tyres, no complaints
17.04.2024 from Dave Wightman
The new tyres improved the grip both in wet and dry conditions, which was noticeable immediately. There was also some marginal improvement in fuel consumption. There was no test on snow.
(5)

Reifentest.com

List price*  390.00 £
just  217.23 £
In Stock
Details
Free shipping **
Continental CrossContact H/T
Continental
Continental
CrossContact H/T
275/45 R21 110W XL EVc, with kerbing rib

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 72 dB
List price*  385.50 £
just  218.06 £
In Stock
Details
Free shipping **
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
275/45 R21 110Y XL Enliten / EV, 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 71 dB
List price*  335.00 £
just  218.61 £
In Stock
Details
Free shipping **
Cooper Zeon 4XS Sport
Cooper
Cooper
Zeon 4XS Sport
275/45 R21 110Y XL

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
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 761778
15.06.2024 from A. Blackburn
This is the second set of the same tyres I have put on my XC90 - mileage driven reflects use of both sets. They are sure-footed and comfortable, and inspire confidence. No hesitation in buying more of the same.
(2)

Reifentest.com

just  219.64 £
In Stock
Details
Free shipping **
Prinx Xnex Sport EV
Prinx
Xnex Sport EV
275/45 R21 110Y XL EV, with rim protection (MFS)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance A Wet grip B Noise emissions 71 dB
just  219.98 £
limited stock
Details
Free shipping **
Falken EUROWINTER HS02PRO
Falken
Falken
EUROWINTER HS02PRO
275/45 R21 110V XL, VCs, with rim protection (MFS) NBLK

Season

 Winter tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 72 dB
List price*  335.50 £
just  221.51 £
In Stock
Details
Free shipping **
Hankook iON evo IK01A
Hankook
Hankook
iON evo IK01A
275/45 R21 110Y XL 4PR EV, NG0, SUV, with rim protection (MFS) SBL

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 70 dB
List price*  347.00 £
just  222.03 £
In Stock
Details
Free shipping **
Hankook Kinergy 4S² X H750A
Hankook
Hankook
Kinergy 4S² X H750A
275/45 R21 110Y XL 4PR, with rim protection (MFS) SBL

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 73 dB
List price*  330.50 £
just  222.43 £
In Stock
Details
Free shipping **
Vredestein Ultrac Pro
Vredestein
Vredestein
Ultrac Pro
275/45 ZR21 (110Y) XL EVc, with rim protection ridge (FSL)

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip A Noise emissions 71 dB
List price*  294.00 £
just  223.42 £
limited stock
Details
Free shipping **
Pirelli Scorpion All Season SF3
Pirelli
Pirelli
Scorpion All Season SF3
275/45 R21 110Y XL, with rim protection (MFS)

Season

 All-season tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 71 dB
List price*  340.00 £
just  224.37 £
In Stock
Details
Free shipping **
Continental CrossContact LX Sport
Continental
Continental
CrossContact LX Sport
275/45 R21 110V XL EVc, MO1

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  226.25 £
In Stock
Details
Free shipping **
New
Hankook Winter i*cept evo 4 SUV W340A
Hankook
Hankook
Winter i*cept evo 4 SUV W340A
275/45 R21 110V XL 4PR, with rim protection (MFS) SBL

Season

 Winter tyres
2 - 4 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip B Noise emissions 73 dB
List price*  402.50 £
just  226.51 £
In Stock
Details
Free shipping **
Dunlop Winter Sport 5
Dunlop
Dunlop
Winter Sport 5
275/45 R21 110V XL, SUV, with rim protection (MFS) BLK

Season

 Winter tyres
2 - 5 working days delivery time
In 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.

(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 6595968
23.03.2026 from Charles Heard
A sure grip in all weather / road conditions
30.04.2021 from Paul
Just avoid, unless you live in Finland or something. Driving in WET and Dry, just terrible grip and I have a 4x4 Subaru with LSD. It&#39;s shocking really. Unless you drive really slow, it&#39;s OK then, but come roundabout they just don&#39;t grip doesn&#39;t matter wet or dry. Good in snow, but it should be at least good in wet as well and OK in dry, but It&#39;s crap in both wet and dry, so not good for me, will not buy again.
05.06.2019 from Ash
I didn&#39;t get these on until Feb/Mar when worst of the weather had passed. Driven on main roads &amp; motorways at temps between 3&deg;c and 16&deg;c in mixed weather without problems. Obviously they were less responsive at the higher temps but never felt dangerous. No sign of wear at all. Dry road grip when accelerating lost traction a bit too easily but cornering was predictable.
(11)

Reifentest.com

List price*  439.00 £
just  226.87 £
In Stock
Details
Free shipping **
Pirelli P Zero PZ4 SC
Pirelli
Pirelli
P Zero PZ4 SC
275/45 R21 107Y MO, with rim protection (MFS)

Season

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

(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 driven 2702975
18.09.2022 from DAVID
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.
14.06.2021 from y2kdisease
Car had 20&quot; 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&#39;ve Replaced these tyres and wheels at 10600km. I&#39;ve driven 8600km of that mileage. The tyres wore like rubber bands on the 20&quot; 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&quot; 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&#39;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.
06.06.2020 from Chris Farnell
These tyres are great. Low road noise, and surprisingly grippy in the wet. Like really grippy
12.06.2019 from Tony Galloni
I have used Pirelli P Zeros for about 15 yrs and they are a great tyre
(15)

Reifentest.com

List price*  359.00 £
just  227.48 £
In Stock
Details
Free shipping **
Pirelli Scorpion Verde All-Season
Pirelli
Pirelli
Scorpion Verde All-Season
275/45 R21 110W XL LR

Season

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

(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 driven 5330975
06.01.2020 from Les 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!
03.07.2019 from Will
Smooth and comfort
07.05.2019 from Andrew 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 &quot;Nexen Roadian&quot; 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 .
20.06.2015 from Rogers-Lewis
Not tested in winter conditions yet. Reports received re good winter tyres is reason purchased.
(26)

Reifentest.com

List price*  346.00 £
just  228.10 £
In Stock
Details
Free shipping **
Continental CrossContact LX Sport
Continental
Continental
CrossContact LX Sport
275/45 R21 110Y XL ContiSilent, EVc, with kerbing rib

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 73 dB
just  228.36 £
limited stock
Details
Free shipping **
Continental CrossContact LX Sport
Continental
Continental
CrossContact LX Sport
275/45 R21 110Y XL EVc, with kerbing rib

Season

 Summer tyres
2 - 5 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip C Noise emissions 73 dB
List price*  385.50 £
just  231.66 £
limited stock
Details
Free shipping **
Vredestein Wintrac Pro+
Vredestein
Vredestein
Wintrac Pro+
275/45 R21 110V XL EVc, with rim protection ridge (FSL)

Season

 Winter tyres
2 - 4 working days delivery time
limited stock
Tyre label
Tyre label
Roll resistance C Wet grip B Noise emissions 71 dB
List price*  367.00 £
just  232.28 £
limited stock
Details
Free shipping **
Pirelli P Zero PZ5
Pirelli
Pirelli
P Zero PZ5
275/45 R21 107Y MO

Season

 Summer tyres
2 - 5 working days delivery time
In Stock
Tyre label
Tyre label
Roll resistance B Wet grip A Noise emissions 70 dB
List price*  359.00 £
just  233.44 £
In Stock
Details
Free shipping **
There are 28 of 162 tyres displayed
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