2.7.59.9, 2018-10-09 10:11:18

Tyre Knowledge

Important information relating to your wheels and tyres.

Your tyres are made of over 200 materials, including steel and artificial silk. And if they have the right pressure, they even save you money. Interested in more fascinating knowledge and helpful tips? You can find them here.

The EU Tyre Label.

The EU Tyre Label.

Safety, comfort, environmental friendliness, fuel consumption - all that depends on your tyres. The EU tyre label gives you this important information.

It has been applicable since 1 November 2012 and has been mandatory for all brand-new tyres since 1 July 2012.

The EU Tyre Label.

One label – three performance characteristics.

What is important to you in a tyre?

Do your tyres save fuel? How much grip do they have on a wet road and how quiet are they on tarmac? The EU tyre label shows you how well your tyres meets this important criteria.

The EU Tyre Label.

Fuel efficiency

Why do you consume more or less fuel, depending on your tyres? The reason is quite simple: The less resistance your tyres need to overcome when rolling, the less energy your Volkswagen will consume and you will save CO2. The difference between class A and G is up to 0.7 litres at 100 km/h.

Example for possible fuel consumption of a vehicle at 1000km with an average consumption of 6.6L/100km.    

The EU Tyre Label.

The EU Tyre Label.

The better wet grip your tyres have, the shorter your braking distance on a wet road surface. Even at 80 km/h, this is extended to 3 to 7 m from one class to the next. You would collide with an obstacle with up to 30 km/h.

Braking distance at 80km/h until the vehicle comes to a standstill.    

The EU Tyre Label.

External rolling noise

Quiet tyres are not only more pleasant for you, but are also good for the environment. And even 10 dB more are perceived as twice as loud. You can see how loud or quiet a tyre is from the quantity of black sound waves.

Three sound waves:
The external rolling noise complies with the EU limit values applicable until 2016.

Two sound waves:
The external rolling noise already complies with the EU limit values applicable from 2016 or is up to 3 dB under them.

One sound wave:
The external rolling noise is already more than 3 dB below the EU limit values applicable from 2016.    

When do I need to replace my tyres?

Tips on all aspects of tyre care.

You will find what your correct tyre pressure is in your Owner’s Manual and on your fuel tank cap. Depending on load, it may vary by up to 1 bar.       

If pressure is too high, power transmission is optimal only in the centre of the tyre, which means less driving comfort, the tread wears down unevenly and your tyres do not last as long.

Tyre pressure gauges can usually be found at any filling station. Since November 2014, all passenger car and SUV models have also been equipped with a Tyre Pressure Monitoring System. Check the pressure when the tyres are cold, where possible, and do not reduce it when the tyres are warm.

A tyre loses about 0.1 bar in three months, on average. If the pressure falls rapidly, it or the valve may have a leak. Keep an eye on it. If you have any doubts, head off to your Volkswagen Partner.

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Tyre Pressure Monitoring System.

Less consumption. More safety.

An underinflated tyre will quickly cause tyre damage – the reason for around 40% of all accidents involving personal injury.* That is why we have been equipping all Volkswagen passenger car and SUV models with a tyre pressure monitoring system since November 2014.

The EU Tyre Label.

Direct system.

This is how it works:
  • A tyre pressure sensor is installed in every wheel.
  • It transmits information to a control unit.
  • The on-board computer displays the tyre pressure.
  • If the pressure falls, the system warns the driver.

Important: When you switch to winter tyres, new sensors need to be installed.

Models with a direct system:

Standard with Touareg and Phaeton – on request, with Tiguan and Passat.    

The EU Tyre Label.

Indirect system.

This is how it works:
  • The system measures the speed of the wheels, not the pressure.
  • Depending on tyre pressure, a wheel covers a certain distance in one revolution.
  • This gives rise to the speed of the wheel.
  • The system calculates the pressure from the speed.
  • If the speed increases, the pressure falls and the system warns the driver

Important: You do not need new sensors when you switch to winter tyres.

Models with an indirect system:
up!, Polo, Golf, Jetta, EOS, Beetle, Scirocco, Touran, Tiguan, Passat, Sharan, Caddy, T5 Multivan

How deep should the tread of my tyres be?

Too little tyre tread.

Less grip.

Already with 4 mm too little tread, your tyre has much less grip on a wet road. Reason: The tread no longer dissipates the water correctly. Your tyre loses contact with the road surface. We therefore recommend 3 mm for summer tyres and 4 mm for winter tyres.

Winter tyres on a snow-covered road surface.

Braking distance at 50 km/h until the vehicle comes to a standstill.
The EU Tyre Label.

Direct system.

This is how it works:
  • A tyre pressure sensor is installed in every wheel.
  • It transmits information to a control unit.
  • The on-board computer displays the tyre pressure.
  • If the pressure falls, the system warns the driver.

Important: When you switch to winter tyres, new sensors need to be installed.

Models with a direct system:

Standard with Touareg and Phaeton – on request, with Tiguan and Passat.    

In most European countries, a minimum tread depth of 1.6 mm is mandatory. We recommend 3 mm for summer tyres and 4 mm for winter tyres. The more tread your tyres have, the better they are able to dissipate water and protect you against aquaplaning.

225 / 45 R17 94 W

What do the numbers on my tyres mean? Tyre structure, rim diameter, maximum permitted speed ...Apart from the name of the manufacturer and the product, your tyres also contain many other important pieces of information.

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Many layers for more safety.

A tyre consists of running surface and carcass.

Running surface
1. Tread
– for good road grip and for absorbing and dissipating water.
2. Jointless bandage – enables high speeds
3. Steel cord belt layers – optimise driving stability and rolling resistance.

Carcass
4. Cord body insert
– for shape retention even at high levels of interior pressure.
5. Inner liner – makes the tyre air-tight.
6. Side strip – guards against lateral damage.
7. Core profile – improves driving stability, steering and comfort response.
8. Steel core – ensures firm grip on the rim.
9. Bead reinforcement – supports driving stability and precise steering response.