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Home  >  255 / 40 21  >  Michelin  >  Michelin 255 / 40 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.
 
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    255/40  21     

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Fortune FSR-303
Fortune
FSR-303
255/40 R21 102Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 73 dB
just  139.50 £
limited stock
Details
Minerva All Season Master
Minerva
Minerva
All Season Master
255/40 R21 102W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B 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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 882935
15.09.2025 from Harry Up
Gute Reifen, siehe meine Sternebewertung. Warum ich hier schreibe, hat einen anderen Grund. Der Reifen hat EU Label B f&uuml;r N&auml;sseeigenschaften, was bedeutet, dass der Reifen bei N&auml;sse gut ist. Das trifft meiner Meinung nach zu, er ist gut. Gut ist besser als durchschnittlich und logischweise deutlich besser, als schlecht. Es gibt x Tests, die etwas anderes als das EU Label behaupten und sagen, er sei schlecht. Meine Bitte daher, wer auch immer zust&auml;ndig ist: entweder das EU Label ist Unfug, oder die Tests. Beides passt bei diesen Reifen nicht zusammen. Vielleicht fallen sie auch sehr unterschiedlich aus oder passen zu manchen Autos gar nicht. Also nochmal mein pers&ouml;nliches Fazit: ich suchte g&uuml;nstige Reifen mit Berge Label, also offizielle Winterreifen, die bei N&auml;sse gut sind. Meine Wahl fiel auf diese Reifen und sie war richtig. Ich kann die Reifen empfehlen.
02.01.2023 from Ion
I have already 12000 km with this tires and the feeling is very good, even drove with 130 on highway on light rain without any problems, drove on ice roads and it was ok. I gave 4 stars on the show grip because I did not test them yet on show... but overall are very good!
(3)

Reifentest.com

just  140.36 £
available
Details
Imperial All Season Driver
Imperial
Imperial
All Season Driver
255/40 R21 102W XL

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B 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.

(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 788154
29.05.2022 from Jamie Hewison
Bought these tyres as a bit of an emergency stop gap after somebody had slashed my tyres in a city centre car park, they were only supposed to be on for a few weeks until pay day and I could afford something better, however they&rsquo;ve now been on for 6 months and have been used in all weathers, including a couple of muddy tracks. They perform really quite well, grip is very good in the dry, only a slight decrease on wet roads and better than expected in the snow. Although they&rsquo;re not a mud tyre, they still handled the muddy farm tracks with ease. Fuel economy seems pretty much unchanged, road noise is slightly higher than a premium tyre but not so much that it becomes intrusive. Tyre wear is on par with others, I&rsquo;ve done 10,000 miles so far and judging by the remaining tread, If I run them all the way down to 1.6mm, I think I&rsquo;ll be on course for a 20,000 mile lifespan.
(2)

Reifentest.com

just  147.76 £
available
Details
Radar Dimax Winter
Radar
Radar
Dimax Winter
255/40 R21 102W XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 73 dB
just  152.15 £
available
Details
Gripmax Suregrip Pro Winter
Gripmax
Suregrip Pro Winter
255/40 R21 102V XL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  154.15 £
available
Details
Linglong Sport Master C/S
Linglong
Linglong
Sport Master C/S
255/40 R21 102W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  160.14 £
limited stock
Details
Firestone Roadhawk 2
Firestone
Firestone
Roadhawk 2
255/40 R21 102Y XL, Enliten / EV

Tyre type

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

(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 270296
29.07.2025 from Tom
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 &quot;step-out&quot; 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  168.82 £
limited stock
Details
Barum Bravuris 6
Barum
Barum
Bravuris 6
255/40 R21 102T 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  172.65 £
limited stock
Details
Prinx Xnex Sport EV
Prinx
Xnex Sport EV
255/40 R21 102Y XL, EV

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 71 dB
just  172.91 £
limited stock
Details
Kumho Ecsta Sport PS72
Kumho
Kumho
Ecsta Sport PS72
255/40 R21 105Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  177.18 £
available
Details
Nexen N blue 4 Season 2
Nexen
Nexen
N blue 4 Season 2
255/40 R21 102W XL 4PR, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  178.98 £
available
Details
Semperit Speed-Life 3
Semperit
Semperit
Speed-Life 3
255/40 R21 102Y XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 73 dB
just  185.00 £
available
Details
Toyo Proxes Sport 2
Toyo
Toyo
Proxes Sport 2
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  186.60 £
available
Details
Nexen N Fera Sport
Nexen
Nexen
N Fera Sport
255/40 R21 102W XL 4PR

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip B 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.

(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 504298
06.10.2022 from John
Handling it depends from road quality, but never excellent. Steering feeling is good. Breaking on dry roads insufficient, ABS function even in middle breaking situations. Very low noise,
(2)

Reifentest.com

just  193.34 £
limited stock
Details
Uniroyal AllSeasonExpert 3
Uniroyal
Uniroyal
AllSeasonExpert 3
255/40 R21 102V XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  197.54 £
available
Details
Uniroyal RainSport 5
Uniroyal
Uniroyal
RainSport 5
255/40 R21 102Y XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU 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.

(23)
Average based on 23 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 4080408
10.12.2025 from Stephen Brown
Great tyres, safe and give confidence on all surfaces and conditions
13.06.2025 from stevi
best tyres ever had them on Audi A3 TDI sport ,fiesta st .ford focus MK2,jaguar xj 3Ltdi best grip ever handles in wet like a great tyre does when dry grips so hard in the dry the engine struggles to go faster because of the grip tried all the named brands like Mitchellen ,toyos ,co rentals and the uni royals beat them ever time not just price but grip safety and handling too .never use any other tyre the 5s are better than the 3s but not by much . hard to improve on such a great tyre
02.11.2024 from A Pritchard
Great.
13.04.2024 from Geof Wassell
Driving within my own ability and the ability of the vehicle I choose to drive is what I do. The tyres on my car are part of the interface between driver and road. I prefer to drive with the tyres fully inflated in order to feel the feedback from the surface of the road through noise, suspension and steering, I ballance throttle and brake response with weather conditions, road conditions and temperature. Tyres with less grip just dictate that I should moderate speed and braking at an increased rate. Noisey tyres provide slightly better feedback than silent tyres. The road with current traffic congestion burden isnt the place for performance spirited driving but is the place where defensive driving must be used. I would describe my tyres as competent.
(23)

Reifentest.com

just  200.91 £
available
Details
Toyo Proxes Sport 2
Toyo
Toyo
Proxes Sport 2
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  202.66 £
available
Details
Nexen Winguard Sport 3
Nexen
Nexen
Winguard Sport 3
255/40 R21 102V XL 4PR, EVc

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  203.74 £
limited stock
Details
New
Continental AllSeasonContact 2
Continental
Continental
AllSeasonContact 2
255/40 R21 102T XL, EVc Conti Seal

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B 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.

(10)
Average based on 10 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 1822380
08.08.2026 from V. Bhebhe
Good grip, solid performance on rough country roads, and smooth enough on A roads, balanced breaking and no vehicle shudder
05.02.2025 from Dean
I&#39;ve done around 8500 miles so far in mostly poor weather , very good grip in all winter conditions and mild conditions. Good all rounder.
28.05.2024 from Marcis
Good grip on wet and dry roads. Reasonable grip on snow and icy roads. Noisy on dry roads. Fuel consumption has increased. All in all decent tyres.
07.04.2024 from Harry
Incredibly capable tyre for all conditions, but my experience on the roads in West Yorkshire will probably dictate that I don&#39;t purchase these tyres again as they are too soft on the sidewall, they do need some sort of protective band. The roads a terrible around Haworth for potholes, and in this case I could not dodge one and it has ripped the sidewall and damaged the rim, rendering the tyre scrap.
(10)

Reifentest.com

just  211.35 £
available
Details
BF Goodrich Advantage 2
BF Goodrich
BF Goodrich
Advantage 2
255/40 R21 102Y XL, EV Suitable

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  213.32 £
available
Details
Continental EcoContact 6Q
Continental
Continental
EcoContact 6Q
255/40 R21 102H XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip B Noise emissions 73 dB
just  213.44 £
available
Details
New
Continental AllSeasonContact 2
Continental
Continental
AllSeasonContact 2
255/40 R21 102T XL, EVc

Tyre type

 All-season tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B 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.

(10)
Average based on 10 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 1822380
08.08.2026 from V. Bhebhe
Good grip, solid performance on rough country roads, and smooth enough on A roads, balanced breaking and no vehicle shudder
05.02.2025 from Dean
I&#39;ve done around 8500 miles so far in mostly poor weather , very good grip in all winter conditions and mild conditions. Good all rounder.
28.05.2024 from Marcis
Good grip on wet and dry roads. Reasonable grip on snow and icy roads. Noisy on dry roads. Fuel consumption has increased. All in all decent tyres.
07.04.2024 from Harry
Incredibly capable tyre for all conditions, but my experience on the roads in West Yorkshire will probably dictate that I don&#39;t purchase these tyres again as they are too soft on the sidewall, they do need some sort of protective band. The roads a terrible around Haworth for potholes, and in this case I could not dodge one and it has ripped the sidewall and damaged the rim, rendering the tyre scrap.
(10)

Reifentest.com

just  214.01 £
available
Details
Semperit All Season-Grip 2
Semperit
Semperit
All Season-Grip 2
255/40 R21 102V XL, EVc

Tyre type

 All-season tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 73 dB
just  216.06 £
limited stock
Details
Yokohama Advan Sport EV V108
Yokohama
Yokohama
Advan Sport EV V108
255/40 R21 102Y XL, E+

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 71 dB
just  216.26 £
available
Details
Semperit Speed-Grip 5
Semperit
Semperit
Speed-Grip 5
255/40 R21 102V XL, EVc

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip C Noise emissions 73 dB
just  218.83 £
limited stock
Details
Yokohama Advan Sport (V107G)
Yokohama
Yokohama
Advan Sport (V107G)
255/40 R21 102Y XL *

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance A Wet grip A Noise emissions 70 dB
just  221.24 £
limited stock
Details
Kleber Dynaxer HP 5
Kleber
Kleber
Dynaxer HP 5
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip A Noise emissions 73 dB
just  222.31 £
available
Details
New
Continental WinterContact 8 S
Continental
Continental
WinterContact 8 S
255/40 R21 102V XL, EVc

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 73 dB
just  232.20 £
available
Details
There are 28 of 87 tyres displayed
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