225/45 R17 94V XL: What each part means
- 225nominal width, mm
- 45sidewall height as a percentage of tyre width
- R17radial construction and rim diameter code
- 94load index
- Vspeed category
- XLreinforced construction
Original Padangutes.lt scheme according to UNECE R30 marking logic. Always check the load and speed categories against the requirements of the specific car.
Source: UNECE R30 (EUR-Lex); checked 2026-08-07.
How to read 225/45 R17 94V XL
| Marking | What does this mean: | Practical note |
|---|---|---|
| 225 | Nominal tyre width in millimetres | The fitted width is not guaranteed to be exact: the rim and construction affect it. |
| 45 | Sidewall height as a percentage of width | Here, nominal sidewall height is 45% of the width. |
| R | Radial construction | This is the construction type, not the rim radius. |
| 17 | Rim diameter code in inches | The tyre fits a 17-inch rim. |
| 94 | Load index | Under UN R30, index 94 means a maximum of 670 kg per tyre under the specified conditions. |
| V | Speed category symbol | V corresponds to 240 km/h: a tyre test category, not permission to exceed road speed limits. |
| XL | Reinforced higher-load version | XL does not change nominal size, but load and pressure requirements may differ from the standard version. |
It is important to evaluate the entyre string, not just 225/45 R17. A model of the same size may be sold with different load and speed indices, XL construction, Run Flat technology or car manufacturer's homologation code. The reference to the model and size of the online store is not proof that all these characteristics match.
Load index: the number is not kilograms
The load index is a table code. For example, 91 means 615 kg, 94 means 670 kg and 98 means 750 kg per tyre under the relevant approval conditions. Simply adding the four values does not establish the permitted vehicle mass: axle loads, pressure, speed and manufacturer requirements also matter.
Speed Index: What T, H, V, W and Y stand for
| Symbol | Category speed | How to interpret it |
|---|---|---|
| T | 190 km/h | Approved for this speed category under specified load and test conditions. |
| H | 210 km/h | A higher letter does not make the tyre better in every other respect. |
| V | 240 km/h | Check alongside the load index and vehicle requirements. |
| W | 270 km/h | A technical category, not a recommended driving speed. |
| Y | 300 km/h | Some very high-speed tyres need additional marking context, such as brackets. |
M+S and 3PMSF are not the same
| Mark | What it confirms | What it does not confirm |
|---|---|---|
| M+S, M.S or M&S | The manufacturer assigns the tyre to the mud and snow category | This mark alone does not confirm passing the UN R117 severe-snow grip test. |
| 3PMSF: three-peak mountain and snowflake | The tyre met the minimum snow grip threshold under UN R117 | It does not mean this tyre will be best on wet roads, ice or in every independent test. |
| EU label ice grip symbol | The tyre meets ice grip criteria where this classification applies | Do not confuse it with 3PMSF or suitability for every European winter. |
UNECE explains that tyres bearing the 3PMSF symbol must pass a specific snow grip test and be approved under UN R117. Check M+S and 3PMSF separately when choosing winter tyres. Legal seasonal requirements and dates are a separate question and cannot be settled by a sidewall marking alone.
Other common inscriptions on the side of the tyre
- TUBELESS – the tyre is designed to be used without a tube.
- REINFORCED or XL - reinforced version; check the manufacturer's data for the exact permissible combination of load and pressure.
- ROTATION with an arrow - indicates the direction in which the installed tyre should rotate when driving forward.
- OUTSIDE and INSIDE – the outer and inner side of an asymmetric tyre; it is not a sign of the direction of rotation.
- E mark with number - type approval mark; the number indicates the country of approval, not the country of manufacture of the tyre.
- Four-digit production date code: the first two digits give the week and the last two the year. For example, 2325 means week 23 of 2025.
- Run Flat or manufacturer's homologation abbreviations - their form depends on the manufacturer; compatibility should be checked according to the car and the technical data of the specific model.
The EU tyre label supplements but does not replace the side marking
Under Regulation (EU) 2020/740, the label shows fuel efficiency and wet grip classes from A to E, the external rolling noise class and its measured value in decibels. Where applicable, it also shows the 3PMSF snow symbol or an ice grip symbol. The QR code leads to the specific tyre type in the European Product Registry for Energy Labelling.
Label classes are valid for a specific type of tyre, so a different size or index combination of the same model may have a different label. Also, the label doesn't cover everything: it doesn't include dry braking, handling response, omnidirectional aquaplaning, comfort or durability overall. Independent tests of a specific size are useful for evaluating these differences.
Quick check before you buy
- Write down all the size and indexes allowed by the car manufacturer, not just the width and the diameter of the rim.
- Compare load and speed indices, XL or other design designation and required homologation.
- For winter use, check M+S and 3PMSF separately; don't treat them as one sign.
- Open the EU label of the specific type and check the wet grip, efficiency and noise figures.
- Make sure that the same size and index option that you evaluated remains in the cart.
- When you receive the tyres, check the sidewall markings, the date of manufacture code and whether all four units match the specification.
Frequently asked questions
Are 225/45 R17 and 225/45 ZR17 the same?
The nominal size matches, but ZR relates to high-speed categories. Read the complete service description, including load and speed symbols, and compare it with vehicle requirements.
Is an XL tyre wider?
Not necessarily. XL means a reinforced higher-load version; the nominal 225/45 R17 size does not change because of XL.
Is M+S enough to identify a winter tyre?
M+S identifies the manufacturer's intended use category, but alone does not confirm the UN R117 severe-snow test. The 3PMSF symbol identifies that threshold. Check Lithuanian legal suitability against the rules in force.
Where can I find the production date?
Look for a four-digit date code on the sidewall: the first two digits give the production week and the last two the year. It may be visible on only one side.
Can I choose a higher load or speed rating?
A higher category is often compatible, but this is not universal. Check the vehicle's approved specification, rim, pressure and the particular tyre's data.