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Old 28.10.2020, 12:24
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Mr.Maquiavelo Mr.Maquiavelo is offline
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Re: Car tyre load index?

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The higher rated tyres are stronger and generally therefore corner and brake better than the lower rated tyres. You'll often see "XL/ extra load" tyres specified for high performance cars and in that regard it has less to do with their weight.
Dunno about the Swiss rules but generally it's ok to go higher but not lower.

Your calculation in itself (i.e. ignoring any other rules) seems reasonable to me but the "other rules" might dictate a certain minimum rating.

If that 2385kg is the kerb weight then that's a monster of a car and I'd have thought the load index would be up in the 100s. I'd recommend you check with the car's papers. It could be that it would be legal but you might end up with a crappy driving experience.

Edit: seems "Gesamtgewicht" means allowable maximum weight i.e. with passengers and luggage etc. so not quite the monster I thought it was but probably still 5-series size.

Thank you for the thoughtful comment! Indeed spot on, my car is a 530d xdrive.
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