Insurance & Risk

How Auto Insurance Premiums Are Calculated

A deeper look at the specific factors and how much control you actually have over them.

6 min read · Updated July 2026

Factors You Can Influence

Factors Largely Outside Your Control

Discounts Worth Asking About

Why Shopping Around Genuinely Matters

Different insurers weigh these factors differently in their proprietary pricing algorithms, which is why quotes for identical coverage can vary significantly between companies for the same driver. Getting quotes from multiple insurers every year or two, even if you're satisfied with your current insurer, is one of the most effective ways to ensure you're not overpaying.

Usage-Based Insurance: A Newer Option

Many insurers now offer programs that track actual driving behavior (via a mobile app or plug-in device) — braking patterns, speed, mileage, and time of day driven — and adjust premiums based on demonstrated safe driving habits rather than solely demographic and historical factors. This can benefit safe drivers who don't otherwise fit a low-risk demographic profile.

Frequently Asked Questions

Can I really lower my premium by improving my credit score?

In most states (a few prohibit this factor), yes — credit-based insurance scores are used as a pricing factor, and the same behaviors that improve your traditional credit score (on-time payments, lower credit utilization) generally improve this score over time too.

How often should I shop around for auto insurance quotes?

Many experts recommend comparing quotes from multiple insurers every year or two, since pricing algorithms and competitiveness vary between companies and can change over time, even if your own risk profile hasn't changed.

Does usage-based insurance always lower my premium?

Not necessarily — it depends on your actual driving behavior; safe drivers often benefit, but those with riskier driving patterns (hard braking, late-night driving, high mileage) could see a higher rate under a usage-based program compared to traditional pricing.

This article is provided for general informational purposes only and does not constitute financial, tax, legal, medical, or professional advice. Always verify important decisions with a qualified professional or official source.