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Home  >  Summer tyres  >  235 / 40 18  >  Roadstone  >  Roadstone 235 / 40 18
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:
 
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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  Roadstone    235/40  18    Summer tyres 

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Road King Argos UHP
Road King
Argos UHP
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 69 dB
just  73.78 £
available
Details
Firemax FM601
Firemax
FM601
235/40 R18 95W XL

Tyre type

 Summer tyres
available
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  N/A
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 504800
(2)

Reifentest.com

just  73.93 £
available
Details
Zeetex HP6000 Eco
Zeetex
Zeetex
HP6000 Eco
235/40 R18 95Y

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 71 dB
just  74.77 £
available
Details
Barum Bravuris 6
Barum
Barum
Bravuris 6
235/40 R18 95Y XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 70 dB
just  75.34 £
limited stock
Details
Rovelo RPX 988
Rovelo
Rovelo
RPX 988
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip C 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.

(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 416100
(1)

Reifentest.com

just  75.97 £
available
Details
Dynamo Street-H MH01
Dynamo
Street-H MH01
235/40 R18 91W

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  76.18 £
available
Details
Dynamo Street-H MH01
Dynamo
Street-H MH01
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  76.18 £
available
Details
Zeta Alventi
Zeta
Zeta
Alventi
235/40 R18 97Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance B Wet grip B Noise emissions 72 dB
just  76.66 £
available
Details
RoadX RXMotion DU71
RoadX
RXMotion DU71
235/40 R18 95Y XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 71 dB
just  77.36 £
limited stock
Details
Linglong Sport Master
Linglong
Linglong
Sport Master
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
just  78.03 £
available
Details
Greentrac Jorney-X
Greentrac
Jorney-X
235/40 R18 97W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  78.10 £
available
Details
Imperial Ecosport 2
Imperial
Imperial
Ecosport 2
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU 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.

(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 204710
11.06.2021 from Shaun Thorpe
Damn right dangerous... had these put on less than 6 months ago, and if you drive in a slightly spirited manner the lack of grip is phenomenal. 30mph bends leave you requiring replacement underwear. And it just gets worse in the wet. Braking distances are terrible in both wet and dry, but they are comfy for 45&#39;s. These are a drift tyre in my opinion, cheap and grip less. I only have 150bhp apread across all four wheels and they still slide, I wouldn&#39;t recommend them on anything with more than 100 ponies. And if its slightly moist or greasy out, you better be good at throttle control and counter steering... at low speeds they are perfectly acceptable, but if you like to put your foot down abit I&#39;d spend some more money, we don&#39;t scrimp on safety.
(1)

Reifentest.com

just  80.99 £
available
Details
Evergreen EU72
Evergreen
Evergreen
EU72
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  81.17 £
available
Details
Maxxis Premitra 6
Maxxis
Maxxis
Premitra 6
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A Noise emissions 72 dB
just  82.25 £
available
Details
Kapsen K3000
Kapsen
K3000
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 71 dB
just  83.61 £
available
Details
Tomket Sport 3
Tomket
Sport 3
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 72 dB
just  84.86 £
available
Details
Nordexx NS9000
Nordexx
NS9000
235/40 R18 95W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  85.86 £
limited stock
Details
GT Radial SportActive2 Evo
GT Radial
GT Radial
SportActive2 Evo
235/40 R18 95Y XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 69 dB
just  86.01 £
available
Details
Nexen N Fera SU4
Nexen
Nexen
N Fera SU4
235/40 R18 95W XL

Tyre type

 Summer tyres
available
just  86.03 £
available
Details
Matador Hectorra 5
Matador
Matador
Hectorra 5
235/40 R18 91Y , EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 71 dB
just  87.71 £
limited stock
Details
Fortune FSR-701
Fortune
FSR-701
235/40 R18 95W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 70 dB
just  88.35 £
limited stock
Details
Windforce Catchfors UHP PRO
Windforce
Catchfors UHP PRO
235/40 R18 95W XL

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip C Noise emissions 71 dB
just  89.14 £
available
Details
Matador Hectorra 5
Matador
Matador
Hectorra 5
235/40 R18 95Y XL, EVc

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 72 dB
just  91.52 £
limited stock
Details
Barum Bravuris 5HM
Barum
Barum
Bravuris 5HM
235/40 R18 95Y XL, EVc

Tyre type

 Summer tyres
limited stock
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 3655315
(3)

Reifentest.com

just  91.60 £
limited stock
Details
Linglong GREENMAX
Linglong
Linglong
GREENMAX
235/40 R18 95W XL

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D 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 1163981
25.11.2025 from Benjamin
Drives like shit. Feels as if no tyre on the weel. Off road fun but you need new after 20 km.
(3)

Reifentest.com

just  93.69 £
limited stock
Details
New
Cooper Summer
Cooper
Cooper
Summer
235/40 R18 95Y XL, EVR

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip B Noise emissions 70 dB
just  94.00 £
limited stock
Details
Mirage MR182
Mirage
MR182
235/40 R18 95W XL

Tyre type

 Summer tyres
limited stock
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 8199
26.06.2024 from Garry James
I am a professional driver in my working environment (emergency services). These tires are rubbish. Any speeds over 50kph in wet weather will cause them to hydroplane.
27.03.2021 from Martin
Tires performed better then expected. Very comfortable and quiet ride. Great dry and wet road driving
(2)

Reifentest.com

just  96.04 £
limited stock
Details
Uniroyal RainSport 5
Uniroyal
Uniroyal
RainSport 5
235/40 R18 95Y XL, EVc

Tyre type

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip A 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.

(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 4083696
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  97.09 £
available
Details
There are 28 of 119 tyres displayed
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