Sainsbury's Bank has launched a car insurance index to track market premiums on a quarterly basis.
According to Sainsbury's, the index showed that:
·Market average car insurance premium was £458.92
·The difference in average premiums between the 25% most expensive car insurers and the 25% most competitive was £108.55
·Motorists switching to the most competitive 25% insurers could collectively save up to £1.17 billion in premiums per year
·Women pay around £92 less on average for car insurance than men