Just a quick note on policy types. Not everyone understands the difference. At a high level there are 3 types: actual cash value, stated value, agreed value.
Actual Cash Value: what most all vehicle policies are. No real restrictions, in the event of a total loss you get the projected “book” value of the car based on a deprecation schedule.
Stated Value: it really exists to give the buyer more flexibility in what they pay for premium, not what you get paid in a total loss. Example: I inherited a classic Ferrari that is worth 1M. I can really only afford 300k worth of coverage. So we make the stated value 300k to keep my premium affordable. In the event of a total loss I get the lessor of the actual cash value or the stated value. So my premiums were low, but I also get the worst payout.
Agreed Value: often associated with classic, collector or limited run cars. Restrictions will vary, but usually reasonable (age of car, annual miles driven, storage requirements, driver restrictions, car modification caps, etc). In the event of a total loss you get the amount you and the company agreed to at the start of the policy. Usually market value + some amount of modifications. I have 100k agreed value on my super stock. I will get that amount in full if someone steals the car, for example. No haggles. That’s my check today or in 4 years.
Hope that helps. Ask lots of questions, shop premiums and limitations, build relationships with your agent / provider.