Martin Lewis' '26-day rule' can save motorists £445The money-saving expert said it could save people a significatnt amount of moneyView Image Martin Lewis explained his '26-day rule' (Image: ITV)Martin Lewis says motorists can save hundreds of pounds if they follow his 26-day rule. The money-saving expert was discussing car insurance on the latest episode of his Martin Lewis Money Show Live on ITV. ‌According to insurer Confused.com, despite the cost-of-living crisis, the average cost of car insurance is actually going down. Confused.com looked at more than 6million anonymous car insurance quotes every quarter, and said that car insurance costs have actually been dropping since early 2024. That shows the huge difference that can exist between your initial renewal quote and what you actually end up paying.