Michelin Primacy 4 ST Is known to produce lesser tyre noise meaning that the tyres provide good ride quality. According to the manufacturers, these tyres are said to be the most silent tyre and most comfortable comparing to other premium brands as per review provided by the professionals. The tyres provide lesser cabin noise which is a plus point. The Michelin Primacy 4ST comes in tyre size 195/60 R15 which is the smallest that this series offer and is suitable for vehicles such as the Honda city, Maruti Suzuki swift 2018 etc. The largest size offered by Michelin in this series is sized 245/45 R18. The Michelin Primacy 4ST tyre has a Standard Manufacturer's Warranty, which covers defects in design, workmanship and materials for the life of the original usable tread, or for 3 years from date of purchase, whichever occurs first.