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Home  >  275 / 45 21  >  Michelin  >  Michelin 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:
 
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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.
 
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  Michelin   275/45  21     

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Linglong Grip Master C/S
Linglong
Linglong
Grip Master C/S
275/45 R21 110W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  137.68 £
available
Details
Minerva Ecospeed 2 SUV
Minerva
Minerva
Ecospeed 2 SUV
275/45 R21 110Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  139.26 £
available
Details
Imperial Ecosport SUV
Imperial
Imperial
Ecosport SUV
275/45 R21 110Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  139.84 £
limited stock
Details
Unigrip Lateral Force Sport
Unigrip
Unigrip
Lateral Force Sport
275/45 R21 110Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 73dB
just  141.04 £
available
Details
Zeetex SU5000 Max
Zeetex
Zeetex
SU5000 Max
275/45 R21 110Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 71dB
just  145.35 £
limited stock
Details
Ilink Snowgripper 2
Ilink
Snowgripper 2
275/45 R21 110H XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip DNoise emissions 71dB
just  145.98 £
available
Details
Fronway Eurus 08
Fronway
Eurus 08
275/45 R21 110W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  149.53 £
limited stock
Details
GT Radial SportActive 2
GT Radial
GT Radial
SportActive 2
275/45 R21 110Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 69dB
just  150.89 £
available
Details
Dynamo MSU01
Dynamo
MSU01
275/45 R21 110Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  153.16 £
available
Details
Grenlander Icedefensor Stud II
Grenlander
Icedefensor Stud II
275/45 R21 110T XL studdable

Tyre type

 Winter tyres
limited stock
just  153.29 £
limited stock
Details
Dynamo Street-H Pursuit SUV
Dynamo
Street-H Pursuit SUV
275/45 R21 110W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 71dB
just  155.24 £
available
Details
Landsail RapidDragon SUV
Landsail
Landsail
RapidDragon SUV
275/45 R21 110Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 72dB
just  155.54 £
limited stock
Details
Zeta Impero
Zeta
Zeta
Impero
275/45 R21 110Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip BNoise emissions 73dB
just  161.61 £
limited stock
Details
Tracmax X-Privilo S360
Tracmax
X-Privilo S360
275/45 R21 110T XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 72dB
just  163.79 £
limited stock
Details
Momo Toprun M-30 Europa
Momo
Toprun M-30 Europa
275/45 R21 110Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip CNoise emissions 73dB
just  165.14 £
available
Details
Sonix Winter Xpro 999
Sonix
Winter Xpro 999
275/45 R21 110H XL

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip DNoise emissions 71dB
just  165.40 £
limited stock
Details
Avon ZX7
Avon
Avon
ZX7
275/45 R21 110Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise 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.

(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 driven195495
11.03.2022fromDavid
I have been an Avon fan for nearly 50 years and currently have 4 of their tyres on my SUV. I've just received an MOT advisory warning that the front 2 are perishing, after only 2 years and 6000 miles of normal use (ie no off road use) - see photo. I've submitted a warranty request to the company and will update this review, based on the response I get. UPDATE - The response I've received from Avon is that I have to return my car to the garage who fitted the tyres, then get them to remove the tyres and send them back to Avon. That means I have to leave my car sitting on the garage forecourt on its rims for as long as it takes Avon to uplift, examine and report on the tyres. If Avon deem the ZX7s to be faulty, they will refund on the basis of how much tread is left compared to new, but if they think the tyres are 'within normal specification', they will return them to the garage, to be refitted. As an alternative, Avon suggest that I simply buy 2 new tyres, before sending my originals back. That way I don't lose the use of my car, but what happens if they decide that they won't honour my warranty claim? I'll then have 2 sets of tyres! And who pays the garage to do all this work? If ever there was a procedure designed to hamper a consumer making a warranty claim, then this has to be it. No goodwill from Avon, no acceptance of what an accredited long standing garage or a qualified MOT inspector says. Just a robotic insistence to follow a claims procedure that severely inconveniences customers. All tyres perish eventually, but not usually after only 2 years and 6,000 miles of normal UK use - and not usually in the valley of the tread (which is dangerous, because it's closer to the structural carcas of the tyre). If my situation was a one off, you could just put it down to bad luck, but a quick internet search reveals plenty of other people with Avon tyres failing in exactly the same way. Bearing in mind that if you buy Avons and they perish like mine, you will be expected to jump through the hoops I have described above to make a warranty claim, the only logical advice I can give is that everyone avoids buying Avon tyres in the first place. FOOTNOTE - in terms of performance, I thought that the ZX7s were quieter than the Continentals that came with the car, but inferior in every other way, particularly economy. Anyway, what does performance matter, if a tyre perishes after only 2 years and 6,000 miles of use?
22.06.2019fromSpeegles
This is the 3rd set of ZX7s on my Rav4. I'm getting 35000km off each set, and they are nothing short of fantastic. My partner also has them in her B class Mercedes, again, excellent
(5)

Reifentest.com

just  165.51 £
available
Details
Zmax WinterHawke II
Zmax
WinterHawke II
275/45 R21 110H XL

Tyre type

 Winter tyres
available
just  169.88 £
available
Details
Altenzo Sports Navigator II
Altenzo
Altenzo
Sports Navigator II
275/45 R21 110Y XL

Tyre type

 Summer tyres
limited stock
just  172.01 £
limited stock
Details
Firestone Roadhawk 2
Firestone
Firestone
Roadhawk 2
275/45 R21 110Y 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  172.94 £
limited stock
Details
Leao Winter Defender Ice-I15
Leao
Leao
Winter Defender Ice-I15
275/45 R21 107T

Tyre type

 Winter tyres
limited stock
just  173.65 £
limited stock
Details
Sonix Winter Xpro Studs 69
Sonix
Winter Xpro Studs 69
275/45 R21 110T studded

Tyre type

 Winter tyres
available
just  173.88 £
available
Details
Mazzini Snowleopard 3
Mazzini
Snowleopard 3
275/45 R21 110H Nordic Compound

Tyre type

 Winter tyres
available
just  175.11 £
available
Details
Kleber Dynaxer HP 5 SUV
Kleber
Kleber
Dynaxer HP 5 SUV
275/45 R21 107V

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 72dB
just  175.60 £
available
Details
Falken EUROALL SEASON AS220PRO
Falken
Falken
EUROALL SEASON AS220PRO
275/45 R21 110W XL, VCs BLK

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 71dB
just  176.13 £
available
Details
General Grabber GT Plus
General
General
Grabber GT Plus
275/45 R21 110Y XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  179.37 £
available
Details
Yokohama Geolandar X-CV (G057)
Yokohama
Yokohama
Geolandar X-CV (G057)
275/45 R21 110W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance DWet grip BNoise emissions 72dB
just  182.00 £
available
Details
Prinx Xnex Sport EV
Prinx
Xnex Sport EV
275/45 R21 110Y XL, EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip BNoise emissions 71dB
just  182.48 £
limited stock
Details
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