A speeding ticket could add at least 20% to your insurance bills, says comparison website Moneysupermarket.com.
It found that drivers with a speeding conviction and six points on their licence could pay 19% more on average than a driver with a clean licence while those with multiple convictions could pay a massive 54% penalty.
Moneysupermarket.com's Peter Harrison said: 'Our research found insurance premiums rose on average by 44p a day in 2010 and this trend is set to continue.
'Not only are motorists who flout the law by speeding risking the lives of others, they also run the risk of sky-high insurance premiums.'
Moneysupermarket.com's top five quotes for a 30-year-old male teacher in Manchester, with five years no claims discount, driving a 2006 Ford Focus 10,000 miles a year. Car is parked on the driveway.
Here are the quotes and how they change as the number of speeding-related points increase.
How a speeding ticket affects your premiums
Average quote0 pts quotes
666.983 pts quotes
701.326 pts quotes
790.719 pts quotes
How to take control of your insurance premiums
Women's insurance costs are likely to continue increasing faster following a ruling by the European Court of Justice preventing insurers from establishing risk based on gender.
Follow our guide to how you can take control of your insurance premiums.