Minimum permitted tyre load index and speed rating for tyresUpdated 18/05/2020The table below shows minimum permitted load index (LI) and speed rating (SS).Engineman/autMinimum permitted load index (LI)1Minimum permitted speed rating (SS)2T5 AWD (B4204T20)aut101HT5 AWD (B4204T23)aut101HT6 AWD (B4204T27)aut101HD5 AWD (D4204T23)aut101HB5 AWD (B420T2)aut101HB5 AWD (D420T2)aut101HB6 AWD (B420T)aut101H