What does this means for insurers? They'll require new underwriting capabilities and will be challenged to assess claims in a more technologically advanced and diverse environment.

Here is an overview of what Deloitte predicts will be the four future states of insurance:

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Future state 1: Personally owned, driver-driven vehicles

This is the most conservative state, which emphasizes the large assets tied up in today's system, the report says.

This vision assumes that the owners of these assets won't willingly abandon them nor invest in new enterprises with uncertain returns. It sees private ownership remaining the norm, with consumers opting for the particular forms of privacy, flexibility, security and convenience that come with having their own vehicles.

And it rejects the possibility that, while driver-assist technologies may continue to advance, completely autonomous drive will become a reality any time soon.

In this state, the traditional model of personal auto insurance will continue, the vehicle owner will be the primary named insured, and the coverages will be the familiar ones of driver liability, collision and comprehensive.

Related: A look at emerging risks the insurance industry is facing

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Future state 2: Shared driver-driven vehicles

This state envisions continued growth of shared access to vehicles, as economic scale and increased competition drive the expansion of shared vehicle services into new geographic territories and new consumer segments.

Passengers value the convenience of point-to-point transportation and the demonstrated economic benefits of expansive car-sharing and ride-sharing networks.

Future state 2 shares the human behind the wheel with future state 1; however, this group of stakeholders includes fleets (for example, taxicabs and limos), owner/operators of "black car" services and car rental companies.

The vehicle owner could be an individual or a business, and the coverage would be for driver, liability, collision, and comprehensive. In the case of rental vehicles, add liability for a vehicle that isn't road-worthy. Uber, Lyft and similar ride-sharing services would fall in this category.

Related: A crash course in how auto technology is changing claims

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Future state 3: Personally owned autonomous vehicles

With this state, autonomous drive technology is viable, safe, convenient and economical, but private ownership continues to prevail.

Individuals will use driverless functionality for its demonstrated safety, reliability and other ancillary benefits, according to the report, but drivers will continue to own cars for many of the same reasons they do today, such as convenience and pride of ownership.

Future state 3 would require a new product that the report calls "personal autonomous vehicle insurance," or "AV coverage." The individual vehicle owner would require coverage for comprehensive and liability (that is, roadworthiness) while the AV system manufacturer or the operating system provider would require a commercial policy that includes AV product liability.

Related: Self-driving cars: Who's liable when software is at the wheel?

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Future state 4: Shared autonomous vehicles

This state is the result of a convergence of both autonomous technology and shared mobility.

Mobility management companies offer a range of passenger experiences to meet varied needs at differentiated price points. The earliest adopters are likely to be urban passengers, the report notes, because few of them own cars now, and they're credited with the popularity of ride-sharing services such as Uber and Lyft. As smart infrastructure expands, the report predicts that fleets of autonomous shared vehicles could spread to densely populated suburbs and beyond.

In future state 4, all stakeholders would have commercial AV insurance. The vehicle owner — likely a commercial enterprise — would require comprehensive and liability insurance. The AV system manufacturer or the operating system provider in this state also would require a commercial policy that includes AV product liability.

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New opportunities

What do the future states mean for insurers? They have an opportunity to unbundle coverages and repackage them to meet the needs of new customers, the report suggests.

It's also a time of reinvention as carriers could incorporate coverage into other products and services or distribute coverage using new technology channels. The report predicts that self-insurance could emerge as a dominant model for large shared (both driver-driven and autonomous) vehicle fleets.

It also predicts that the ratio of personal to commercial auto policies will begin to shift as shared vehicles become more prevalent than individually-owned vehicles.

Related: Tech transforming economy and exposures insurers cover