Collector Car Auction Insurance

By Jon Merwin, Founder and CEO

New England has a real collector car auction calendar. Bonhams held The Greenwich Auction on May 31, 2026, during the Greenwich Concours d’Elegance weekend. The Owls Head Transportation Museum in Maine ran its 48th New England Auto Auction on August 21 and 22, 2026. And Broad Arrow held its first Northeast sale during Audrain Newport Concours and Motor Week in Rhode Island on October 2, 2026. Add the online auctions that close every night of the week, and plenty of New England collectors now buy and sell their cars through an auctioneer.

Auctions move fast, and the moments when a car changes hands are when coverage gaps are most likely. This guide walks through each step, from the bid to the drive home, and what to check when you’re the one selling. For how collector insurance works in general, start with our classic and collector car insurance guide. We shop collector car coverage with carriers including Hagerty, J.C. Taylor, Liberty Mutual, Cincinnati and American Modern, and we’ll confirm eligibility for your vehicle before you rely on a policy.

Before you bid

Most of the work happens before the auction. A little preparation means you won’t be arranging insurance from a parking lot with a car you’ve just bought.

• Read the conditions of sale. Look for when risk passes to the buyer, how quickly the car must be removed, who stores it in the meantime and on what terms.
• Inspect the car, or have it inspected. Auction cars are usually sold as is. A specialist inspection during the preview, or before an online auction closes, is worth the time.
• Check the paperwork. Confirm the VIN on the car matches the title or other documents, and ask what paperwork you will receive at the sale.
• Call us with the lot details. Year, model, VIN, your expected price, where the car will be stored and who will drive it. We can confirm eligibility in advance and have coverage ready.
• Plan the trip home. Know whether you will trailer the car, hire a transporter or drive it, and book transport early for popular sales.

When the hammer falls: who is responsible for the car?

At many auctions, the car becomes the buyer’s responsibility very quickly, sometimes at the fall of the hammer and sometimes once payment is made, even though the car may sit on the auction grounds or in a transporter’s lot for days. Bonhams’ bidder notice for its 2026 Greenwich sale, for example, said all motor vehicle lots would be removed from the venue directly after the auction and held by a transport company, with uplift and storage at the buyer’s sole risk and expense.

That’s not unusual, and it’s why the car should be on your policy from the moment you own it. Don’t assume the auction house, the venue or the transporter is insuring the car for you. Ask, read the terms, and call us before the sale so coverage is ready to start.

Online auctions

Online sales add a gap that live auctions don’t have. The car usually stays in the seller’s garage until you or your transporter collects it, which can be days or weeks after you pay. Agree in writing with the seller who is responsible for the car until pickup, ask the seller to keep their insurance in place until then, and schedule transport quickly. When the car is collected, photograph it from every angle and note any damage before it’s loaded.

Getting the car home

Hiring a transporter

Enclosed transport is the norm for valuable cars, and many auction houses have preferred haulers on site. Whoever you use, ask for a certificate of cargo insurance and check that its per-vehicle limit is enough for the car you just bought. Ask how the transporter handles claims and what its deductible is. Interstate carriers are registered with the Federal Motor Carrier Safety Administration, and you can look up a company’s registration and safety record on FMCSA’s website. Before loading, photograph the car and make sure its condition is noted on the bill of lading. Then ask us how your own collector policy treats the car while it’s in transit, since knowing both coverages helps if something goes wrong.

Trailering it yourself

If you’re bringing the car home on your own trailer, check that the tow vehicle’s auto policy extends liability to the trailer, and that the trailer and its contents are insured. Our guide to car shows and trailering covers loading, hauling and the trailer itself.

Driving it home

Driving a car you’ve just bought, especially one that may have sat for months before the sale, carries real risk. Tires, brakes, fuel lines and cooling systems age even when a car isn’t driven. If you plan to drive it home, make sure the car is insured and registered first, check it over before you leave, and plan a route with places to stop. Our spring recommissioning checklist covers what to inspect on a car that has been sitting.

Setting the agreed value after you buy

Your purchase price, including any buyer’s premium, is a strong starting point for the agreed value, because it’s a recent, documented sale between a willing buyer and seller. Keep the bill of sale, the auction listing, the catalog description and any photos and records that came with the car. The insurer may also look at sales of comparable cars, the car’s condition and an appraisal. If you bought well below the market, or paid a premium for a special car, talk to us about where the value should sit. And if you start restoring or improving the car, update the value as the work is done. Our guide to agreed value car insurance explains how values are set and documented, and if the car is going straight into a restoration, see restoration and project car insurance.

Titles, registration and out-of-state purchases

Auction cars come from everywhere, and so does their paperwork. Confirm what you’ll receive at the sale, usually a title or bill of sale, and check that the VIN on the documents matches the car. Rules differ by state. In New Hampshire, for example, the Division of Motor Vehicles generally doesn’t title vehicles of model year 1999 or older, so the bill of sale and the car’s prior registration or title paperwork matter even more. If you plan to put the car on antique or classic plates, see antique vs. classic car insurance and our state guides for New Hampshire, Maine and Connecticut.

If the car will be registered in Massachusetts, see our Massachusetts collector car guide for the state’s antique plate and registration rules.

Cars bought overseas

Some collectors buy at European auctions or import cars directly. Under federal rules, a vehicle at least 25 years old can generally be imported without having to meet current U.S. safety standards, but customs, emissions and shipping paperwork still apply. Ocean and air shipping usually involve the shipper’s own cargo coverage, so ask what it includes. Call us before the car leaves port, so coverage is in place when it arrives. Our Land Rover Defender guide covers imported vehicles in more detail.

Selling or consigning your car at auction

When you’re the seller, the car stays your responsibility longer than many people expect. Until the title changes hands, it’s usually your car and your insurance. Before you consign:

• Read the consignment agreement. Find out who insures the car at each stage: pickup, transport to the sale, storage on site, preview days and the auction itself.
• Keep your own policy in place until the sale is complete and the title has transferred. Don’t cancel coverage the day the car leaves your garage.
• Tell us where the car will be and for how long, especially if it will sit at an auction house or dealer for weeks.
• Document the car’s condition with dated photos before it leaves, and keep copies of its records.
• Remove personal items, toll transponders and garage door openers.
• Plan for a no-sale. If the car doesn’t meet its reserve, it has to come home, so arrange return transport and keep coverage in place.

Selling online from your own garage

An online sale brings strangers to your garage to inspect the car, and sometimes to drive it. Ask us how your policy treats a prospective buyer behind the wheel before you hand over the keys. Ride along, check the person’s license, and set clear limits on where they can drive. Once the sale closes, keep the car insured and secured until the buyer’s transporter collects it.

Why work with an independent agency

Specialty insurers handle newly purchased cars, transit and consignment in different ways, and their rules change over time. An independent agency can compare them side by side, have coverage ready before the auction, and coordinate the collector policy with your daily-driver auto insurance, your home insurance and your umbrella policy. If you’re building a larger collection, our high net worth insurance team can bring it all together.

Portsmouth Atlantic Insurance is a family-owned independent agency founded in 2005. Our 15 employees work from our Portsmouth, NH office and a Connecticut office, we are licensed in 10 states, and we work with 40+ carriers. We are New Hampshire’s highest-rated agency on Google, with 1,000+ Google reviews and over 2,000 testimonials, and we don’t charge any fees.

We work with collectors from our Portsmouth office across New Hampshire, Maine and Connecticut, and in our other licensed states.

Frequently asked questions

Is my car insured as soon as I win the auction?

Only if you’ve arranged it. Many auction terms put the car at the buyer’s risk once the hammer falls or once payment is made, even while it’s still on the auction grounds. Call us before you bid with the lot details, so coverage can start the moment the car is yours.

Who is responsible for the car while the auction house holds it after the sale?

Read the conditions of sale. Some auction houses state that cars removed and stored after the sale are held at the buyer’s sole risk and expense. Don’t assume the auction house or its transporter is insuring the car for you.

Can I use the price I paid at auction as my agreed value?

It’s a strong starting point, because it’s a recent, documented sale. The insurer may also look at comparable sales, the car’s condition and any appraisal. If you paid well above or below the market, talk to us about where the value should sit, and review it after any work.

Am I covered while my car is on a transporter?

It depends on your policy and the transporter’s cargo insurance. Ask the transporter for its cargo insurance certificate and limits before the car is loaded, and ask us how your own policy treats the car in transit. Photograph the car and note its condition on the bill of lading.

What should I do before consigning my car to an auction?

Read the consignment agreement to see who insures the car at each stage, from pickup through the preview days and the sale. Keep your own policy in place until the title changes hands, photograph the car, and tell us where it will be and for how long.

Is buying through an online auction any different?

The car usually stays with the seller until you or your transporter picks it up, which can be days or weeks later. Agree in writing with the seller who is responsible for the car until pickup, arrange transport quickly, and have the car on your policy from the day you pay.

What our clients say

From our client surveys. Comments are lightly edited for typos only.

“

Jon is super helpful and amazingly communicative. He responds fast with well thought out answers making the process of getting insurance for my home and car super simple.

“

Very informative, responsive, and helpful with answering any questions we had. Helped us get the best deal and coverage, explained the differences between coverage options, and let us choose what worked best for us. Highly recommend!

“

Excellent guidance on insurance options and fantastic quoting and onboarding experience. We trust their recommendations and feel that we have best coverage for peace of mind at best possible cost.

Read more client testimonials

Sources

• Bonhams: The Greenwich Auction (May 31, 2026), bidder information
• Owls Head Transportation Museum: 48th Annual New England Auto Auction
• Audrain Newport Concours and Motor Week: 2026 Week at a Glance
• NH Division of Motor Vehicles: Title Exempt Vehicles
• Federal Motor Carrier Safety Administration
• NHTSA: Importing a Vehicle