XLXL (Extra Load)XL (Extra Load) — reinforced for ~11% higher load than standard.
Read more →RPRP (Rim Protector)RP (Rim Protector) — generic rim-guard marking. CFuel efficiency (A–E)Rolling resistance class A (best) to E. Difference between classes — up to 9% in fuel consumption. BWet grip (A–E)Wet braking distance. Class A — shortest, E — longest. The difference can reach 30%. B|72dBNoise level (dB)External rolling noise in decibels. Lower number means quieter tire.M+SM+S (Mud & Snow)M+S (Mud & Snow) — for light snow and mud. Not certified; weaker than 3PMSF.
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Some cars take different tire sizes at the front and the rear. Tires on the same axle must always be identical — same brand, model and season; only the front may differ from the rear, and only when the car manufacturer specifies it. A set is 2 front + 2 rear.