What if the driver borrowed someone else’s car?
Reviewed by Andrew (Andy) R. Gillin
California State Bar #45226 ↗ · Approval recorded November 4, 2026
How we record review approvalThe car’s owner may share legal fault if they let someone drive it. The driver can also be at fault for their own acts.
In this guide
Here’s an example
A person lends a car to a friend. The friend causes a crash.
A made-up example to explain the idea. Your facts may lead to a different answer.How the rule works
The owner’s role and the driver’s role are separate. State law can impose duties on an owner who gives consent to drive. Insurance is a further issue; it does not by itself decide fault.
Legal references: [1] Vehicle Code § 17150 — Vehicle owner responsibility · [2] California Department of Insurance — Automobile insurance guide
What can change the answer?
The owner’s consent, policy terms, and legal limits matter. Other claims can raise different rules. Do not assume the owner pays for every loss.
Court decisions behind this answer
A case can help explain a rule. Its facts and limits matter too.
Souza v. Corti
Supreme Court of California · 1943
22 Cal.2d 454, pp. 457–460
The car owner’s consent could matter even when a different person drove. The court applied the vehicle-owner law then in force.
This case used an older statute. Check today’s limits and the facts about who had permission.
Case applicability reviewed as recorded above.
A useful next step
Get the driver’s and owner’s names. Keep the car’s policy details if you can.
If you are unsure which rule applies, a lawyer can review your facts and any deadlines. Learn about GJEL’s injury representation.
The law behind this guide
The references below support the legal discussion. Their application depends on the facts.
- Vehicle Code § 17150 — Vehicle owner responsibility ↗Statute · Review recorded above
- California Department of Insurance — Automobile insurance guide ↗Agency guidance · Review recorded above
- Souza v. Corti (1943) 22 Cal.2d 454 ↗Case law · Review recorded above
Updated 2026-11-04. Read our editorial standards.