Ask ten drivers why their insurance costs what it does and you’ll get ten theories. The honest answer is that every insurer builds its own formula, filed with and overseen by state regulators, and the ingredients differ from one company and one state to the next. Still, a handful of factors turn up again and again.
Where the car lives
Your ZIP code is a common starting point. Insurers look at local patterns such as traffic density, theft, weather and repair costs, so the same driver in the same car can be rated differently after a move.
The driver and the record
Age, years of driving experience and recent history, such as at-fault accidents or violations, usually matter. So can gaps in continuous insurance coverage. Some states restrict or prohibit certain factors, so what’s allowed depends on where you live.
The same car and driver can be rated differently by two insurers, which is exactly why comparing is worth the time.
The vehicle
Insurers consider how costly a vehicle tends to be to repair or replace, its safety features, and its claims history as a model. A sensible commuter hatchback and a high-performance coupe are often rated quite differently.
How you use it
Commuting distance, annual mileage and whether the car is used for work can all play a role. Be accurate: misstating how you use a vehicle can cause problems at claim time.
The coverage you choose
Higher limits and lower deductibles generally mean the policy pays more when something happens, and insurers price that accordingly. Choosing a higher deductible is a trade-off, not a free lunch: you take on more of the cost of a claim.
What matters less than people think
- Car colour. Insurers generally don’t rate on paint colour. The make, model and body type are what count.
- Checking your own quote. Shopping around is not a mark against you in the way a claim can be.
What you can influence
You can’t change your age or ZIP code, but you can keep your record clean, maintain continuous coverage, ask which discounts your insurer offers, review your coverage as your life changes, and compare more than one provider.