If you made a note of your mileage last time you applied for cover this could be used to calculate the difference used this year.
Alternatively, drivers can work out how far they have travelled each day on average to get a rough estimation.
Salmon Haqqi, personal finance expert at Money.co.uk said: “September is historically a peak time for car insurance renewals, coinciding with the launch of the new licence plates.
“Though your mileage may vary with how much you can save with these industry hacks, they really show how getting engaged with your insurance can pay dividends.
source: express.co.uk