Custom Automobile Insurance

What is Custom Automobile?

A custom automobile refers to a vehicle that has been modified from its original manufacturer's design. These modifications may include cosmetic enhancements, performance upgrades, specialized equipment, or structural changes. Because these changes often fall outside standard auto insurance parameters, a dedicated insurance policy is typically required to protect the vehicle's increased value and unique features.

Who needs it

This type of insurance is ideal for vehicle owners who invest in customization for personal, show, or commercial use. This includes automotive hobbyists, restoration specialists, performance tuners, and even small businesses or automotive customizing shops. Whether you're operating a specialty garage or simply own a modified vehicle, custom automobile insurance helps address unique exposures not covered by standard auto policies.

What it typically covers

Custom automobile insurance can include:

  • Physical damage coverage tailored to the full appraised value of the customized parts
  • Liability protection if the vehicle is involved in an accident causing injury or property damage
  • Comprehensive coverage for non-collision risks like theft, fire, or vandalism
  • Equipment coverage for aftermarket or non-factory installations

For example, if a custom-painted show car is damaged in transit to an event, this type of policy helps cover the cost of repainting and restoring its original condition.

Common exclusions or limitations

Policies may exclude wear and tear, racing-related damage, or modifications not disclosed during underwriting. Some insurers might also limit coverage for vehicles used in commercial settings or off-road. Understanding these exclusions is key for managing liability exposures and maintaining adequate protection.

Factors that influence cost

Premiums for custom automobile insurance depend on several underwriting factors, including:

  • Value and extent of modifications
  • Vehicle usage (show, daily driving, business)
  • Storage conditions and security features
  • Driver history and location

Higher performance enhancements or rare vehicle builds may increase both the insured value and the cost of coverage.

Proof of insurance & compliance

Many events, clubs, or car shows require proof of insurance before allowing entry. Commercial operators may also need to show custom automobile physical damage insurance documentation when transporting or exhibiting vehicles. Proper documentation ensures compliance with event liability and transportation risk requirements.

How to get a quote

To find the right policy, work with an insurer experienced in custom vehicles. They can help evaluate risk management considerations and tailor coverage to your specific needs. Start by gathering documentation of all modifications and get a professional appraisal if needed.

Request a custom auto insurance quote today to protect your investment with confidence.

Frequently Asked Questions

Does standard auto insurance cover custom modifications?

Typically, no. Most standard auto policies only cover factory-installed components. Custom parts require separate or additional coverage.

Can I insure a custom car if it’s not my daily driver?

Yes. Many policies are designed for show cars, collector vehicles, or specialty autos that are not driven daily.

How is the value of a custom automobile determined?

Insurers often require an appraisal or documentation of customization costs to establish an agreed or stated value for the vehicle.

Is coverage available for vehicles used in exhibitions or shows?

Yes, but it's important to disclose this use during underwriting. Certain policies can include coverage for vehicle transport and display-related exposures.

What happens if I add more modifications after getting coverage?

You should inform your insurer of any new modifications to ensure they are included in your coverage limits.

Still have questions? Talk to a local insurance expert.

Partners, Programs & Market Access


We maintain relationships with nationally recognized and specialty-focused insurance providers that actively underwrite this class of business. Our network includes both admitted and non-admitted markets, allowing us to match risks—from straightforward accounts to more complex or hard-to-place exposures—with appropriate underwriting partners.


Program availability, coverage terms, and underwriting appetite can vary based on operations, location, and loss history, so access to multiple markets is key to securing the right fit. This approach helps ensure broader coverage options and more competitive placement across a range of risk profiles.



CMS, LLC
COMMERCIAL AUTOMOBILE PRODUCT

COMMERCIAL AUTOMOBILE   Overview of the Program From CMS, LLC   When your direct markets fall short, CMS, LLC helps you place hard-to-place or underserved commercial auto risks. Backed by an A XII Best’s rated carrier and broad access ...
MAXIMUM
Personal Lines

Personal Lines Coverage Solutions from MAXIMUM MAXIMUM is a wholesale broker specializing in flexible, rapid solutions for personal lines accounts th...
Click above for a 3-5 min. overview with Joe Messina, CEO of Maximum Independent Brokerage.
Phoenix Risk Management
Workers Compensation Insurance

No matter where your client is located, Phoenix Risk Management offers a flexible and competitive stand-alone Workers' Compensation Insurance program...
Click above for a 3-5 min. overview with Daniel Wyatt of PRM Insurance Services.
Not an Insurance Agent? No problem, we help hundreds of people find the right agent/advisor every day!
Visit our dedicated Insurance Consumer section and we will recommend the right agent for your specific needs.

Insurance for You, Your Family or Your Business 
Quick and simple; secure and confidential. We share your info with only ONE of our insurance experts. Our unique, proprietary process is designed to get you the best local expertise available.


If you are an Insurance Agent, looking to help an Insured, we can help you 
Find A Marketby matching you to our MGA/Wholesaler/Carrier partners.