Car insurance premiums cheaper weeks in advance, consumer analysts say

Aussies could be spending more on their car insurance by picking the wrong time to renew their policies, according to new research.

According to consumer analysts, a three-to-four-week window ahead of an insurance policy's due date can make premiums significantly cheaper.

Instead, insurers are capitalising on last-minute urgency, with loadings put in place to compensate for higher claims volumes.

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"Potentially that car may have already been in a prang, maybe there's more administrative costs, there's an extra burden about doing that," Chris Ford from Compare the Market said.

"So they might be trying to incentivise customers to do it earlier and, and therefore offering a discount.

Compare the Market research showed a difference of up to 10.2 per cent for a 2025 Ford Ranger.

The average quoted premium is $1810.88 for a same-day commencement date compared to $1680.67 one or two weeks ahead of time and $1625.94 four weeks out.

For a Toyota Corolla the average same day quote was $1690.57) is the average same-day quote or $1614.74 with three weeks of forward planning.

"Don't just wait and definitely don't just let it roll over, check for yourself, and if you can do it in that three- to four-week mark, that's where you're going to potentially find the best cost savings."