What does the EU tyre label tell you?
Three graded measures plus a snow and ice marking — and the first of them affects your fuel consumption every mile you drive, which few buyers realise.
Fuel efficiency (rolling resistance). Graded A to E. It measures the energy lost as the tyre deforms while rolling.
Why it matters: rolling resistance is a continuous cost, present at every speed, and it dominates at lower speeds where drag is small. The difference between the best and worst grades is frequently quoted as several percent of fuel consumption across a set — which over a tyre's life can exceed the price difference between the tyres. On an electric car it directly affects range, which is why EV tyres are optimised for it.
Wet grip. Graded A to E, measured as braking performance on a wet surface. This is the safety-critical figure. The stopping distance difference between an A-rated and an E-rated tyre in the wet is substantial — commonly cited as tens of metres from motorway speed, easily the difference between stopping and not.
External rolling noise. Measured in decibels with a wave-symbol class. This is noise emitted outside the vehicle, for environmental regulation — it correlates only loosely with how loud the tyre is inside the car, which is what buyers actually care about. A useful rough guide, not a cabin comfort rating.
Snow and ice symbols. The 3PMSF (three-peak mountain snowflake) marking indicates tested severe snow performance and is the one that matters legally in countries with winter tyre requirements. M+S alone is a manufacturer's declaration with no test behind it. An ice grip symbol appears on some tyres.
What the label does not tell you:
Dry grip and handling, which are not on the label at all.
Tread life, which varies enormously and frequently trades off against grip — a very long-lasting tyre is usually a harder compound.
Aquaplaning resistance, distinct from wet braking.
Performance when worn, which can differ greatly from new. Independent tests increasingly measure this.
Behaviour at the limit, which is what magazine and motoring organisation group tests exist to assess — and those remain the best guide alongside the label.