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Home  >  Summer tyres  >  255 / 40 21  >  Yokohama Tyres  >  Yokohama 255 / 40 21
Summer tyres - optimal grip guaranteed!
On dry roads or mild weather, your tyres have to face some increased demands and must always meet safety standards. Compared to winter tyres, the rubber mixture of the summer tyres is harder, even in high temperatures. Default rolling resistance and wear are smaller, resulting in a greater lifespan, comfort and increased stability. Choose now from our offer your summer tyres at an affordable price. Our portfolio includes a wide range of tyre brands
 
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  Yokohama   255/40  21    Summer tyres 

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Prices include VAT and delivery within Ireland

Yokohama Advan Sport (V107G)
Yokohama
Yokohama
Advan Sport (V107G)
255/40 R21 102Y XL *

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip ANoise emissions 70dB
just  240.02 £
available
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 BWet grip ANoise emissions 71dB
just  245.54 £
available
Details
Yokohama Advan dB V552
Yokohama
Yokohama
Advan dB V552
255/40 R21 102Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 71dB
just  247.98 £
limited stock
Details
Show all the tyres in the selected size
Crosswind Sport Peak C/S
Crosswind
Sport Peak C/S
255/40 R21 102W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  103.75 £
available
Details
Superia EcoBlue EV
Superia
EcoBlue EV
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  105.82 £
available
Details
Kustone Passion P9S
Kustone
Passion P9S
255/40 R21 102W

Tyre type

 Summer tyres
limited stock
just  116.53 £
limited stock
Details
Gripmax SureGrip Pro Sport
Gripmax
SureGrip Pro Sport
255/40 R21 102Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  128.62 £
available
Details
Atlas Green EV
Atlas
Green EV
255/40 R21 102Y XL, EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip BNoise emissions 72dB
just  131.72 £
available
Details
Linglong Sport Master C/S
Linglong
Linglong
Sport Master C/S
255/40 R21 102W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  136.42 £
available
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 BWet grip BNoise emissions 71dB
just  155.78 £
limited stock
Details
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 CWet grip CNoise emissions 73dB
just  158.66 £
limited stock
Details
Firestone Roadhawk 2
Firestone
Firestone
Roadhawk 2
255/40 R21 102Y XL, Enliten / EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance AWet 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  180.07 £
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 CWet grip ANoise emissions 71dB
just  180.40 £
available
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 CWet grip ANoise emissions 73dB
just  182.60 £
available
Details
Uniroyal RainSport 5
Uniroyal
Uniroyal
RainSport 5
255/40 R21 102Y XL, EVc

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.

(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 driven4080408
10.12.2025fromStephen Brown
Great tyres, safe and give confidence on all surfaces and conditions
13.06.2025fromstevi
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
02.11.2024fromA Pritchard
Great.
13.04.2024fromGeof 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  182.95 £
limited stock
Details
Barum Bravuris 6
Barum
Barum
Bravuris 6
255/40 R21 102T XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance BWet grip ANoise emissions 72dB
just  184.58 £
available
Details
Kumho Ecsta Sport S PS72
Kumho
Kumho
Ecsta Sport S PS72
255/40 R21 105Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 73dB
just  204.43 £
available
Details
Giti Sport S2
Giti
Sport S2
255/40 R21 102Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance CWet grip ANoise emissions 72dB
just  206.24 £
limited stock
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 CWet grip ANoise emissions 71dB
just  207.40 £
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 BWet grip ANoise emissions 73dB
just  215.96 £
available
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 BWet grip ANoise emissions 73dB
just  218.08 £
available
Details
Nexen N Fera Sport
Nexen
Nexen
N Fera Sport
255/40 R21 102W XL 4PR

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip BNoise 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.

(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 driven504298
06.10.2022fromJohn
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  225.48 £
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 AWet grip BNoise emissions 73dB
just  244.19 £
available
Details
New
Continental EcoContact 7
Continental
Continental
EcoContact 7
255/40 R21 102V XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip BNoise emissions 72dB
just  252.99 £
available
Details
Continental ContiSportContact 5
Continental
Continental
ContiSportContact 5
255/40 R21 102Y XL * Conti Seal

Tyre type

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

(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 driven6470208
07.01.2022fromJohn S.
Not a sport tyre. Very disappointment.
26.11.2020fromAlan Burton
Steady, now I'm over 70, with the occasional speed burst for fun. Usually stick to speed limits now.
26.04.2020fromKeith Stagner
Quiet & grips well. Gouges very easily on curbs when parking
27.08.2019fromMIKE
OE FITMENT NEVER HAD A PROBLEM AN EXCELLENT ALL ROUND PERFORMANCE TYRE.
(10)

Reifentest.com

just  253.99 £
limited stock
Details
Continental EcoContact 6Q
Continental
Continental
EcoContact 6Q
255/40 R21 102Y XL *, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip BNoise emissions 72dB
just  258.68 £
limited stock
Details
Bridgestone Turanza 6
Bridgestone
Bridgestone
Turanza 6
255/40 R21 102T XL (+),R0, Enliten / EV

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance AWet grip ANoise emissions 69dB
just  261.28 £
available
Details
Michelin Pilot Sport EV
Michelin
Michelin
Pilot Sport EV
255/40 R21 102Y XL *,i, EV

Tyre type

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

(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 driven73200
30.01.2025fromJoel
This tyre is unpredictable . Not a Pilot Sport standard. Skids in dry road. This tyre compares with budget tyre. Would not by again.
(2)

Reifentest.com

just  268.29 £
limited stock
Details
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Prices include VAT and delivery within mainland UK (excl. Scottish Highlands).

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