It's a matter of preference. Some will speculatively plan their renewal and do it when they think PQP is the lowest. Others will just do it towards the end of your current COE. If you need any assistance, just fill up the enquiry form and someone from motorist will call you to answer any questions you may have

Hi Elaine! Do reach out to us here https://www.motorist.sg/coe-renewal and we will advice you on the best time to renew your COE.