In California, penalties for a first time DUI can take a big chunk out of a bank account—at least $1,800 in penalties and fines, plus the cost of attending DUI driving school (if required), and the expense of installing an ignition interlock system, which courts can now require for even first-time offenders.
But there’s another expense that some drivers convicted of DUI don’t immediately consider—the huge rise that they’re likely to see in their auto insurance premium rates. According to the financial website nerdwallet.com, average good drivers in California can expect their insurance premiums to more than double if they are convicted of DUI. The nerdwallet research revealed that a 25-year old with a DUI would pay about $1,300, while one with a DUI on record would pay about $4,000. A 50-year-old who normally paid about $1,060 could expect to pay $3,275 after a DUI conviction.
The extra cost of auto insurance as a result of a DUI will depend upon: