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Home  >  235 / 40 18  >  Optimo  >  Optimo 235 / 40 18
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  Optimo    235/40  18     

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Continental ContiWinterContact TS 810 S
Continental
Continental
ContiWinterContact TS 810 S
235/40 R18 95V XL N1

Tyre type

Winter

 Winter 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. 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 driven 179037
24.03.2021 from Richard Burton
The tyres lasted about 3 weeks before one had a blow out the side wall of the tyre went on a motorway nearly caused an accident we were towed to a fast fit centre so they fitted 2 new tyres to replace the ones from mytyres I tried contacting the supplier had no answer from my email and the phone put on to a very unhelpful gentleman who took no notice of any thing I said. So I would say DON’T buy tyres on line go to a fast fit that way if something goes wrong you can claim.
(2)

Reifentest.com

just  182.51 £
available
Details
Continental ContiWinterContact TS 830P
Continental
Continental
ContiWinterContact TS 830P
235/40 R18 95V XL MO

Tyre type

 Winter 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. Tyretest.com 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 958514
08.03.2019 from Stewart Dingle
The best winter / wet and all round tyre with exceptional grip in wet conditions, quiet & safe I have ever used. Not the cheapest but worth every penny, will definitely use again without any doubt.
(3)

Reifentest.com

just  183.21 £
available
Details
Continental SportContact 6 SSR
Continental
Continental
SportContact 6 SSR
235/40 R18 95Y XL, EVc, run-flat

Tyre type

 Summer tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 72 dB
just  183.61 £
limited stock
Details
Michelin Pilot Alpin 5
Michelin
Michelin
Pilot Alpin 5
235/40 R18 95W XL, EV Suitable

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip B Noise emissions 70 dB
just  194.02 £
limited stock
Details
Continental WinterContact TS 870 P
Continental
Continental
WinterContact TS 870 P
235/40 R18 95V XL, EVc Conti Seal

Tyre type

 Winter 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. 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
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven 528879
08.02.2023 from Martin Green
farm use fairly mixed road/ off road
(1)

Reifentest.com

just  196.57 £
available
Details
Pirelli Winter 240 SottoZero Serie II
Pirelli
Pirelli
Winter 240 SottoZero Serie II
235/40 R18 91V N2

Tyre type

Winter

 Winter 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. 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 driven 244104
24.05.2019 from James B
These tyres have been superb. The grip in wet and snowy conditions even in a rear wheel drive car has been nothing short of exceptional. They feel good and give you the confidence in even the worst conditions that you can turn into corners and stop in a consistent manner. I've pulled away on hills in snow and not had any wheelspin at all. Only downside is they can be a little noisy but this is hardly noticeable and is a comparison with a summer tyre so not entirely fair.
(5)

Reifentest.com

just  199.14 £
available
Details
Michelin X-Ice Snow
Michelin
Michelin
X-Ice Snow
235/40 R18 95H XL, EV Suitable Nordic Compound

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip E Noise emissions 69 dB
just  200.31 £
limited stock
Details
Nexen Winguard Ice 3
Nexen
Nexen
Winguard Ice 3
235/40 R18 95T XL 4PR Nordic Compound

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip D Noise emissions 72 dB
just  204.56 £
available
Details
Nexen Winguard Winspike 3
Nexen
Nexen
Winguard Winspike 3
235/40 R18 95T XL 4PR studded

Tyre type

 Winter tyres
available
just  215.19 £
available
Details
Yokohama Ice Guard IG60A
Yokohama
Yokohama
Ice Guard IG60A
235/40 R18 95Q XL Nordic Compound

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip E Noise emissions 71 dB
just  225.39 £
limited stock
Details
Hankook Winter i*cept iZ2 W616
Hankook
Hankook
Winter i*cept iZ2 W616
235/40 R18 95T XL Nordic Compound SBL

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip E Noise emissions 72 dB
just  226.54 £
available
Details
Dunlop Winter Sport 5
Dunlop
Dunlop
Winter Sport 5
235/40 R18 95V XL

Tyre type

 Winter tyres
limited stock
Client reviews rating:
Client reviews rating

More than 5 billion kilometers. Tyretest.com 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's shocking really. Unless you drive really slow, it's OK then, but come roundabout they just don't grip doesn'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's crap in both wet and dry, so not good for me, will not buy again.
05.06.2019 from Ash
I didn't get these on until Feb/Mar when worst of the weather had passed. Driven on main roads & motorways at temps between 3°c and 16°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

just  232.59 £
limited stock
Details
Pirelli Cinturato P7 (P7C2)
Pirelli
Pirelli
Cinturato P7 (P7C2)
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  238.32 £
available
Details
Falken WINTERPEAK F-ICE 1
Falken
Falken
WINTERPEAK F-ICE 1
235/40 R18 95T XL studded

Tyre type

 Winter tyres
available
just  246.43 £
available
Details
Hankook Winter I*Pike RS2 W429
Hankook
Hankook
Winter I*Pike RS2 W429
235/40 R18 95T XL studded SBL

Tyre type

 Winter tyres
available
just  259.84 £
available
Details
Continental Viking Contact 7
Continental
Continental
Viking Contact 7
235/40 R18 95T XL Nordic Compound

Tyre type

 Winter tyres
limited stock
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip D Noise emissions 72 dB
just  263.59 £
limited stock
Details
Nokian Hakkapeliitta R5
Nokian
Nokian
Hakkapeliitta R5
235/40 R18 95T XL Nordic Compound

Tyre type

 Winter tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance C Wet grip D Noise emissions 71 dB
just  281.12 £
available
Details
Nokian Hakkapeliitta 10
Nokian
Nokian
Hakkapeliitta 10
235/40 R18 95T XL studded

Tyre type

 Winter tyres
available
just  300.79 £
available
Details
Yokohama Advan A052
Yokohama
Yokohama
Advan A052
235/40 R18 95Y XL

Tyre type

Supersport Road

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 71 dB
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 driven 21000
16.12.2025 from Edward Nunn
these are on my track/fun car and replaced the 20 year old tyres on it which came with the car, they completely changed the performance of the car, for the better, they grip exceptionally, especially when set to optimum pressure for the conditions, and hold traction under very heavy braking. They are as described a dry weather tyre with the ability to just about cope in the wet, and my experience is of dry track days with a very wet drive cross country the day before a track day which was ok, although i could feel a massive loss in traction crossing white lines on the motorway, and the morning before a track day driving through wet cool lanes which required a huge amount of care and attention not to end up in a hedge.
(1)

Reifentest.com

just  303.73 £
available
Details
Nokian Hakkapeliitta 01
Nokian
Nokian
Hakkapeliitta 01
235/40 R18 95T XL studded

Tyre type

 Winter tyres
available
just  325.63 £
available
Details
Yokohama Advan A052
Yokohama
Yokohama
Advan A052
235/40 R18 95Y XL

Tyre type

Supersport Road

 Summer tyres
available
EU Tyre Label
EU Tyre Label
Roll resistance D Wet grip A Noise emissions 71 dB
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 driven 21000
16.12.2025 from Edward Nunn
these are on my track/fun car and replaced the 20 year old tyres on it which came with the car, they completely changed the performance of the car, for the better, they grip exceptionally, especially when set to optimum pressure for the conditions, and hold traction under very heavy braking. They are as described a dry weather tyre with the ability to just about cope in the wet, and my experience is of dry track days with a very wet drive cross country the day before a track day which was ok, although i could feel a massive loss in traction crossing white lines on the motorway, and the morning before a track day driving through wet cool lanes which required a huge amount of care and attention not to end up in a hedge.
(1)

Reifentest.com

just  384.68 £
available
Details
There are 21 of 273 tyres displayed
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